Media Engine™ User Manual
Contents
1. 115 57 99 31 5963 46 93 La 29 15 1 47 nc Y Y d i i d 4 4 b JOE 22 Ce CS m 0 a d wl B ao AAAY ER i Sn a i 5 BEP OO censi b a n o d es z 127 EM cS HE 109 22 1 93 85 d ER 85 73 58 42 A g a S 52 28 SE g B 55552595559 Gel E pps 8 Sus oon RNC nn ur Y Y 000 UuUUUuUuuu 2 Y e 60 96 118 11 127 Figure 8 Media Engine Connector Mounting Dimensions View 24 PS XME UM 023 PFU a Fujitsu company 3 Media Engine User Manual Edge View IC 7 52. USB COM1 5 WW GNIS Reset Switch iss Ethernet SW 1 ne MIC In N17 D 1 ld Hi l 22 Speaker W 116 Dt y HH DI z hrii rt Is Lo FJ Bg zi n rib 8 2 CompactFlash cu Gi Touch Panel J10 ao A Qt 23 270 CMOS LCD Secure Digital __ J9 J14 E i pe DIP Switch A 3 Sw 5 f 3 Be 188 QU Ea 99999 Mounting Hole b p 5 places LOD Invern 46555525559 o E Hgg VP OANA nnn nnnnnnnn e PXA270 JTAG_ ng Br J2 OOOO OLY E UUUUNUUU C f Ce N X N A 2 _ SPI N Ss Programming N J12 epo 1 Header _IRDA BT J15 J13 Figure 7 Top View of Media Engine Connectors Native Graphics Option 18 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual Media Engine Connectors The table below lists all the connectors on the Media Engine SBC For some parts the actual component used may be equivalent part having the same specification but from a different manufacturer or with a different model number from the one
3. Note listed here Connector Function Type Mfr Part No MTSW 110 07 J2 JTAG 2x10 2 54mm SAMTEC G D 240 CN15 Ethernet RJ45 PULSE J00 0065NL SFW4S J17 Touch Panel FPC 4 pin SMT FPC FCI 2STMEILF J5 Touch Panel Wire 4 pin 2 54mm MOLEX 22 23 2041 LCD 7 Inverter Brightness 6 pin 2 54mm MOLEX 22 23 2061 J8 not in Native DF9B 41P Optiot 2700G CMOS 41 pin Imm HIROSE 1 82 J9 Native Graphics 270 CMOS DF9B 41P Option only LCD 4l pin 1mm HIROSE 1 32 J3 not in Native DF13 30DP Graphics Option 2700G LVDS 30 pin 1 25mm HIROSE 1 25V 56 CompactFlash in MCD Socket DD CEN750PE FE J14 Secure Digital SE 54786 0971 CNS COMI DB 9 MALE KYCON K31X E9P N30 DF11G 4DP 2 2x2 2mm HIROSE 2 50 DF11G 6DP J12 SPI 2x3 2mm HIROSE 2 50 DF11G 10DP J13 IRDA BT 2x5 2mm HIROSE 2 50 DF11G 16DP J15 GPIO 2x8 2mm HIROSE 2V 50 MTSW 103 07 J16 Speaker 2x3 2 54mm SAMTEC G D 240 Audio CN17 MIC In KYCON STX 3000 Jack 3 5mm Power J6 DC Jack 25 5 5mm SWITCHCRAFT RAPC712X CN19 20 USB 1 amp 2 USB 3 amp 4 Dual Stack USB TYCO AMP 5787617 1 Table 7 Media Engine Connectors PS XME UM 023 19 PFU a Fujitsu company Media Engine User Manual Switches Momentary Switch SW1 Switch Function SWI Reset Switch Table
4. S 23 Chapter 4 Mechanical er EE 24 TOP VIC nnn 24 E 25 Chapter 5 Interface Specifications eese sete itio EE 26 JTAG E KEE He Ethernet CONTI EES 26 Touch Panel FPG J17 2 cde HR RO 27 Touch Panel E EE 27 LCD Inverter ERR NEE 27 2700G CMOS LCD 28 i ae GAS 27 PXA2Z70 CMOS Ee KEE 28 271009 LVDS EG KREE 29 CompactFlash E RE 30 Secure Disital OR E 31 EE 31 MM 32 a MM 32 m 32 GPIO J15 Edge dE 33 Speaker J RE ME 33 ieee oes eG E 34 DCJACK le EE 34 USB CNI9 CN20 Ee enden 34 Chapter 6 Windows Operating System 35 Operating System Installation 35 Registry Save Utility EE 35 To initiate the Registry Save Utility 35 Diu Ze d A T 36 Touch Panel Calibration C
5. NO rJ SI 1 i i ooro TIUUUUU vi i 15 49 13 59 4 5 6 77 2 9 1 6 Figure 9 Media Engine Connector Mounting Dimensions Edge View The mounting holes for the Media Engine are 4 2 millimeters in diameter with an 8 millimeter pad This hole size best accommodates an M3 5 screw PS XME UM 023 25 PFU a Fujitsu company Media Engine User Manual Chapter 5 Interface Specifications This chapter provides detailed pin assignments and signal names for each individual interface JTAG J2 No Signal Description No Signal Description 1 POWER VCCBAT 3 3V early 11 NC No Connection 2 POWER VCCBAT 3 3V early 12 GND Ground 3 JTAG_TRST PXA270 TRST 13 JTAG_TDO PXA270 TDO 4 GND Ground 14 GND Ground 5 JTAG_TDI PXA270 TDI 15 RESET_IN 52 6 GND Ground 16 GND Ground 7 JTAG_TMS PXA270 TMS 17 NC No Connection 8 GND Ground 18 GND Ground 9 JTAG TCLK PXA270 TCLK 19 NC No Connection 10 GND Ground 20 GND Ground Table 12 PXA270 JTAG Pin Outs Ethernet CN15 No Signal 1 TPO_P 2 TPO_N 3 TPI_P CH J 4 VCC3R3 i 5 NC 6 TPI N 7 NC 26 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual
6. No Signal 8 Ground Table 13 Ethernet RJ45 Pin Outs Touch Panel FPC J17 No Signal Description TSMY Touch Screen Negative Y plate 2 TSMX Touch Screen Negative X plate 3 TSPY Touch Screen Positive Y plate 4 TSPX Touch Screen Positive X plate a MNT 3 MNT Table 14 FPC Touch Panel Pin Outs Touch Panel J5 No Signal Description 1 TSPX Touch Screen Positive X plate po 2 TSPY Touch Screen Positive Y plate 6 6 3 TSMX Touch Screen Negative X plate 4 TSMY Touch Screen Negative Y plate 1 4 Table 15 Discrete Wire Touch Panel Pin Outs LCD Inverter J7 No Signal Description 1 VCC12 Switched 12V 2 GND Ground fst 3 GND Ground O OQ O O 4 5 Switched 5V 5 DPOT_VL Digital POT HIGH SIDE 1 6 6 DPOT_VW Digital POT LOW SIDE Table 16 Inverter Backlight Pin Outs 2700G CMOS LCD J8 No Signal Description No Signal Description 1 GND GROUND 22 GND GROUND 2 LCD1_PCLK LCD DOT CLOCK 23 LCD1_D13 LCD G3 3 GND GROUND 24 LCDI DI4 LCD G4 4 LCD LCD H SYNC 25 LCD1_D15 LCD G5 5 LCD1_FCLK LCD V SYNC 26 GND GROUND 6 GND GROUND 27 GND GROUND PS XME UM 023 27 PFU a Fujitsu company Media Engine User Manual No Signal Description No Signal Description 7 GND GROUND 28 GND GROUND 8 GND GROUND 29 LCDI D2 LCD B0 9 LCD1_D18 LC
7. 36 Lo calabrate the Media eet ee tret ea Ae E EEE EEE AER 36 ue E 39 List of Clock M 39 Joe 40 PS XME UM 023 7 PFU a Fujitsu company e e Media Engine User Manual List of Figures Figure 1 Symbols Used in This Manual 3 Figure 2 Touch Panel Lead Orientapon 11 Figure 3 Cable Connection Locations 11 Figure 4 Media Engine Block Level Dagram en 13 Figure 5 Media Engine Block Level Diagram Native Graphics Option 14 Figure 6 Top View of Media Engine eene en eene 17 Figure 7 Top View of Media Engine Connectors Native Graphics Option sees 18 Figure 8 Media Engine Connector Mounting Dimensions Top 0 24 Figure 9 Media Engine Connector Mounting Dimensions Edge View 25 Figure 10 Windows CE Start Menu enne trennen nest enin enne trees 35 Figure 11 Prepare System for Shut Down Dialog Box 35 Figure 12 It is now safe to turn off your 36 Figure 13 Select Control Panel from the Start Menu sse eene 36 Figure 14 Stylus Properties Dialog BOX nennen nennen nennen enne
8. 3 10 11 15 16 19 21 27 36 DT E 4 12 15 19 22 34 Mersin o sei oit 2 3 12 21 22 23 35 Voltages i a 22 34 KEE E 3 Windows CEA 2 3 15 35 PS CAC ote esto EE 2 40 PS XME UM 023
9. 10 100 Mbps Ethernet Support 1 Port The Media Engine uses a SMSC LAN91CI11 single chip MAC and PHY Ethernet controller The Controller supports 10 100Mbps networks Full Half Duplex and Auto Negotiation The Ethernet port uses an industry standard RJ 45 connector CN15 with LED s for Link and Speed An Ethernet crossover cable is required to connect directly to a host AC Adapter Support The Media Engine requires the use of a 12VDC AC Adapter connected to the DC IN jack 76 with a 30W 60W power rating depending on the peripherals attached to it Secure Digital The Media Engine provides one SD Secure Digital interface This interface supports the bus protocol identified in the MMC System Specification 3 2 and SD Memory Card Specification Version 1 01 and SDIO Memory Card Specification Version 1 0 Serial Interface Three 16550A compatible UARTS are provided COM is a full function RS232 serial port that uses standard 9 pin D SUB male connector CN5 2 is a 4 wire CMOS level serial interface that supports RTS amp CTS on a 10 pin header J13 COMG is a 2 wire CMOS level serial interface that does not support any modem control these signals are also on connector J13 2 Maximum data rate for 2 is 38400 Note Touch Panel The Media Engine supports a 4 wire resistive touch screen interface The touch screen can be connected directly using a FPC type connector J17 or discrete wire connector J5 with a custom ada
10. 27 3 4 10 15 GPIO 12 15 19 22 33 Graphics 3 14 15 18 19 20 22 29 Headers ete pter nte 17 DU ducatu ee ME 4 12 15 23 32 Installation 4 10 35 Intel 2 3 4 15 22 Interface 4 10 15 16 21 22 23 26 35 Inverter Cable scene 3 10 11 EE 12 19 20 32 33 DNK EEN 16 19 21 26 LCD 2 3 10 11 15 16 19 20 22 27 28 29 30 35 36 LCD 2 16 19 27 IBID 20 EVDS assets 3 10 11 15 19 22 29 30 Media Enginel 2 3 4 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 35 36 39 270 3 4 12 15 16 19 20 21 26 28 29 33 Real 15 Real Time 15 3 10 35 36 Registry Clear Plug 3 10 36 Registry Save Unit 35 Secure Digital 4 12 19 21 31 12 15 20 21 22 23 32 Shut Down ER Software 2 10 12 21 35 36 10 19 22 33 34 Specification 4 12 15 19 21 22 23 Specifications 2 4 10 15 16 24 26 4 12 15 19 23 32 Stereo Speaker 3 10 16 21 22 23 SWIUCHES 17 20 22 Touch Panel
11. BT_TXD Blue Tooth Transmit Data 32 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual No Signal Description 9 GND Ground 10 BT_RTS Blue Tooth Request to Send Table 25 IRDA BT Connector Pin Outs GPIO J15 No Signal Description No Signal Description General Purpose Input General Purpose 1 GPIO EXPANDI or Output PXA270 9 GPIO EXPAND Input or Output GPIO84 PXA270 GPIO93 2 GND Ground 10 GND General Purpose 3 GND Ground 11 GPIO EXPANDO Input or Output PXA270 GPIO95 General Purpose Input General Purpose 4 GPIO 2 or Output PXA270 12 GPIO EXPANDS Input or Output 83 270 GPIO94 General Purpose Input General Purpose 5 GPIO_EXPAND4 or Output PXA270 13 GPIO EXPANDIO Input or Output 82 270 106 General Purpose Input 6 GPIO_EXPAND3 or Output PXA270 14 GND Ground GPIO81 General Purpose Input 7 GPIO_EXPAND6 or Output PXA270 15 GND Ground GPIO14 General Purpose Input Reset fi PXA27 8 GPIO EXPANDS or Output PXA270 16 RESET GPIO19 Active High 16 2 200000010 LE o E F 5 000000060 15 1 Table 26 Connector Pin Outs Speaker J16 No Signal Descripti
12. CMOS LCD 16bpp Ethernet RJ 45 SDRAM FLASH Controller 128MB 64MB opt 64MB opt 32MB 1 CompactFlash l 4x USB 1 1 PC SPI RS 232 lt 2 T Serial Speaker AC 97 CODEC Touch Panel Cont Line In Touch Panel JTAG Debug Port DC DC Converters Power Jack Inverter Power Figure 5 Media Engine Block Level Diagram Native Graphics Option 14 PS XME UM 023 PFU a Fujitsu company Media Engine Specifications Media Engine User Manual Item Specification Model Number PSXME12864GW L PSXME6432NW L Media Engine with Intel PXA270 and Media Engine with Intel 270 Den 2700G Multimedia Accelerator with Native Graphics Option with 64MB d HON 128MB SDRAM 64MB Flash amp DRAM 32MB Flash amp Windows CE 5 0 or Windows CE 5 0 or Linux Bootloader Linux Bootloader Processor 32 bit 520 MHz Intel PXA270 processor Cache Data 32KB Instruction 32 Memory Internal SRAM 256KB SDRAM 128 64MB Flash 64MB 32MB IC Complement Graphics Intel 2700G3 Video up to 1024x768 None Accelerator color LCD interface 32 None Memory Real Time Clock 3 min month 0 C Philips PCF8563T 5 min month 20 C to 60 C to 50 C RTC Battery On board Lithium for RTC Battery Dur
13. Kit and the Media Engine Refer to the figures below for cabling locations 1 Mount the Media Engine SBC Stereo Speaker Assembly LCD Panel Touch Panel and Backlight Inverter on an appropriate foundation and locations relative to one another Refer to the Touch Panel instructions for installation to the LCD Panel Refer to the Media Engine SBC installation instructions above for mounting details 2 Cable the Speaker Assembly to the Media Engine 10 PS XME UM 023 PFU a Fujitsu company S Media Engine User Manual 3 Cable the Touch Panel to the Media Engine Touch Panel Caution Connect cable leads this way 112144114 Figure 2 Touch Panel Lead Orientation 4 Cable the LCD Panel with the LVDS Data Cable to the Media Engine 5 Cable the LCD Panel to the Backlight Inverter and with the Inverter Cable to the Media Engine Figure 3 Cable Connection Locations Starting Up the Media Engine Operating System Connect the 12V AC Adapter and Power Cable to the Media Engine SBC When you apply power to the Media Engine the operating system begins its startup process As much as 15 seconds may elapse prior to the first image on the screen PS XME UM 023 PFU a Fujitsu company Media Engine User Manual Chapter 2 Design Overview This chapter provides a brief overview of the Media Engine SBC design Introduction PFU Systems Media Engine is a Single Board Computer designed with the following
14. PFU SYSTEMS DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY RELATING TO SALE AND OR USE OF PFU SYSTEMS PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE MERCHANTABILITY OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT PFU SYSTEMS DOES NOT WARRANT ITS PRODUCTS FOR USE IN APPLICATIONS WHICH MAY INVOLVE DANGERS TO HUMAN HEALTH OR SAFETY INCLUDING BUT NOT LIMITED TO MEDICAL LIFE SUPPORT SURGERY AIRCRAFT FLIGHT CONTROL AIR TRAFFIC CONTROL MASS TRANSPORTATION CONTROL MISSILE LAUNCH AND OR GUIDANCE CONTROL ENVIRONMENTAL CONTROL OR THE PLANNING CONSTRUCTION MAINTENANCE AND OPERATION OF A NUCLEAR FACILITY Trademarks PFU Systems Plug N Run and Media Engine are trademarks of PFU Systems Inc Intel and XScale are registered trademarks of Intel Corporation Microsoft Windows and Windows CE are registered trademarks of Microsoft Corporation in the United States and or in other countries other trademarks and registered trademarks are property of their respective holders Copyright O 2009 Intel Corporation Rights Reserved Copyright 2009 PFU LIMITED Rights Reserved Copyright 2009 PFU Systems Inc Related Documentation Please consult the following documents for additional information on the Media Engine Description Type Number Media Engine Software User Manual Manual PS XMESW UM xxx 1 2 Table 1 Related Documents 2 PS XME U
15. and CompactFlash Specification Revision 3 0 www compactflash org Secure Digital Card Specifications I2C Specifications SPI Specifications Table 5 Other Documents You May Need Layout of This Manual Introduction Provides an overview of package content and related materials Chapter 1 Installation and Startup Describes how to install configure and set up the Media Engine and how to use the development kit Chapter 2 Design Overview Provides a brief overview of the Media Engine board design Chapter 3 Features Describes the implemented features of the Media Engine board Chapter 4 Mechanical Specifications Provides dimensions and mounting details of the Media Engine board Chapter 5 Interface Specifications Describes Media Engine I O interface connector pin assignments Chapter 6 Operating System Describes operating system considerations for the Media Engine 4 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual Symbols Used In This Manual The following symbols are used in this manual P Explains supplementary details Note Read as necessary tA Draws attention to a precaution that should be observed Alternately warns of an unacceptable or dangerous practice Caution Should always be read eow R References related information in a different area of this manual or in another manual eter Figure 1 Symbols Used in This Manual PS XME UM 02
16. nenne 37 Figure 15 Calibrate Screen conu GER D EE NIE ERI Ga hee niece E 37 8 PS XME UM 023 PFU a Fujitsu company 4 Media Engine User Manual List of Tables Table 1 Related Documents 2 Table 2 Applicable Board Producer 3 Table 3 Development Kit Content 3 Table 4 Other Components You May 4 Table 5 Other Documents You May Need ette tenet estet ete aen ute pe aet re reete 4 Table 6 Media Engine Specifcapong nennen nennen rene 16 Table 7 Media Engine 19 Table 8 Momentary Switch eese ci erre ete sees teen roses creep eene 20 Table 9 PII Te 20 Table 10 LOD KO 20 Table d LED Indicators Nec 20 Table 12 PXA270 JTAG PIN EENEG 26 Table 13 Ie ette Rasse ter eee erba verae 27 Table 14 FPC Touch Panel Pin a e a a a 27 Table 15 Discrete Wire Touch Panel Pin Outs cee eeeccesceeeseecesecessceceeeeeneeceseeesaeeceaeeeeneeceaeeesaeecnaeeseneecsas 27 Table 16 Inverter Backlight Pin Outs nennen nennen een EENE e EE trenne
17. 3 D13 5 D6 D06 30 CF_D14 CF D14 6 CF_D7 D07 31 15 CF D15 7 PCEI CF CE1 32 2 2 8 10 10 33 NO CONNECTION 9 CF_POE 34 _ 1 IORD 10 9 09 35 CF_PIOW CF IOWR 11 8 08 36 CF_PWE CF WE 12 A7 CF A07 37 CF RDY CF IREQ 13 VCC3R3 3 3V 38 VCC3R3 3 3V 14 CF A6 CF A06 39 GND GROUND 15 CF A5 CF A05 40 NC NO CONNECTION 16 A4 CF A04 41 RESET CPU CF RESET 17 03 42 CF_PWAIT CF WAIT 18 2 02 43 NC NO CONNECTION 19 CF Al 01 44 CF REG 20 00 45 NO CONNECTION 21 CF_DO CF DOO 46 NC NO CONNECTION 22 CEDI CF D01 47 CF_D8 CF DOS 23 CF_D2 D02 48 CF_D9 CF 09 24 CF_IOIS16 CF IOIS16 49 CF_D10 CF D10 25 CF CDI CF CDI 50 GND GROUND 30 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual No Signal Description No Signal Description 26 25 sl Table 20 Type II Socket Pin Outs Secure Digital J14 No Signal Description 1 MM_DAT3 SD Data Line 3 2 MM_CMD SD Command Line 3 GND GROUND 4 VCC_MM Switched 3 3V 5 MM_CLK SD Clock 6 GND GROUND 7 MM_DATO SD DATA LINE 0 8 MM DATI SD DATA LINE 1 9 MM DAT2 SD DATA LINE 2 o wow 11 GND GROUND 12
18. 3 PFU a Fujitsu company Media Engine User Manual Table of Contents tes Mee EE H RE H Related RR TE Ee 2 Applicable Media Engine Board Products 3 lvwuesnisil e M 3 Other Components You May 4 Other Documents You May nennen emet tenete nete entren 4 La3youtot Thus EU E 4 tree EE 4 Chapter 1 Installation and Startup 4 Chapter 2 Design OvervieW EE 4 Chapter 3 M 4 Chapter 4 Mechanical 4 Chapter 5 Interface 4 Chapter 6 Operating HRS E EERE 4 Symbols Used In This Manual e en ertet tete cab Rer Eee 5 Table Of m 6 Listof PIS ULES C E 8 bg dll gp 9 Chapter 1 Installation and Startup 10 Basic Media Engine Installation 10 Unpacking the Media Engine SC 10 Installing the Media Engine SBCL 10 Media Engine Development Kit Installatnon 10 Unpacking the Developmen
19. 3 3V tolerant GPIO EXPANDS and GPIO_EXPAND6 are 2 5V tolerant Level translation must be performed for voltages exceeding these levels GPIO pins _Caution not intended for driving heavy loads 22 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual SPI The Media Engine provides one Serial Synchronous Port that supports the Motorola SPI full duplex protocol This interface is provided through a 6 pin shrouded header J12 FC The Media Engine supports one interface J11 that is compliant with Bus Specification Version 2 0 This interface features multi master and arbitration support The bus can operate at a standard speed of 100kbs or fast mode at 400kbps PS XME UM 023 23 PFU a Fujitsu company Media Engine User Manual Chapter 4 Mechanical Specifications This chapter provides the dimensions of the Media Engine board in millimeters Top View
20. 8 Momentary Switch SW1 DIP Switch SW3 Switch Function On Off Default 1 IRDA Serial IRDA Serial 1 Off LCD Ref n efer to efer to ON 2 LCD Type d Table Table T Refer to LCD Refer to LCD LCD Type2 Table Table en 1234 4 Reserved Reserved Reserved 2 E P IRDA functionality is not validated at this time 2 Switch 4 is set at the factory Changing the setting will result in unstable operation 3 Switches 2 amp 3 are not applicable to the Native Graphics Option and should be left unchanged Table 9 DIP Switch SW3 LCD Table LCD Type 1 LCD Type 2 Qualified LCD s Contact PFU for a current list Switch 2 Switch 3 Manufacturer P N Resolution OFF default OFF default NEC NL10276BC30 17 XGA 15 position position NEC NL10276BC24 13 XGA 12 1 ON OFF NEC NL8060BC26 27 SVGA OFF ON NEC NL6448BC20 08 VGA ON ON Reserved Reserved Reserved Table 10 LCD Table LED Indicators LED Color Function D1 Red Diagnostics GPIO52 D2 Yellow Diagnostics GPIO53 D3 Green VCCBAT PXA270 Initial Power CNIS Green amp Yellow amp Green Off 10Mbps Link Yellow Yellow ON amp Green ON 100Mbps 20 Table 11 LED Indicators PS XME UM 023 PFU a Fujitsu company E Media Engine User Manual Chapter 3 Features This chapter describes the implemented features of the Media Engine board
21. D 3 3V 18 GND GROUND 39 VCC_LCD SWITCHED 3 3V 19 LCD_D6 LCD G1 40 VCC_LCD SWITCHED 3 3V 20 LCD_D7 LCD G2 41 LCD_MODE GROUND 21 LCD_D8 LCD G3 Table 18 PXA270 CMOS LCD Connector Pin Outs Native Graphics Option 2700G LVDS LCD J3 No Signal Description No Signal Description VCC LCD SWITCHED 3 3V SUE 3 TXOUT3 LCD GND B1 B0 G1 G0 R1 RO 4 VCC_LCD 2 TXOUT3 LCD GND B1 B0 G1 GO R1 R0 6 GND GROUND GND GROUND 8 GND GROUND TXCLKOUT LCD DOT CLOCK 10 GND GROUND 11 TXCLKOUT LCD DOT CLOCK 12 GND GROUND 13 GND GROUND 14 GND GROUND LCD DATA EN V SYNC H SYNC 15 TXOUT2 B7 B6 B5 B4 16 GND GROUND 7 LCD DATA V SYNC H SYNC 17 TXOUT2 B7 B6 B5 B4 18 GND GROUND 19 GND GROUND 20 GND GROUND 21 TXOUT1 LCD B3 B2 G7 G6 G5 G4 G3 22 GND GROUND 23 TXOUTI LCD B3 B2 G7 G6 G5 G4 G3 24 GND GROUND 25 GND GROUND 26 GND GROUND 27 TXOUTO LCD G2 R7 R6 R5 R4 R3 R2 28 GND GROUND 29 TXOUTO LCD G2 R7 R6 R5 R4 R3 R2 30 GND GROUND PS XME UM 023 29 PFU a Fujitsu company Media Engine User Manual No Signal Description No Signal Description Table 19 LVDS LCD Connector Pin Outs CompactFlash J10 No Signal Description No Signal Description 1 GND GROUND 26 CF_CD2 CD CD2 2 Di D03 27 CF DI CF D11 3 CF D4 CF D04 28 CF_D12 CF D12 4 Di 05 29 D1
22. D RO 30 LCDI_D3 LCD B1 10 LCD1_D19 LCD R1 31 LCD1_D4 LCD B2 11 LCD1_D20 LCD R2 32 GND GROUND 12 GND GROUND 33 LCD1I_D5 LCD B3 13 LCDI D21 LCD R3 34 LCD1_D6 LCD B4 14 LCD1_D22 LCD R4 35 LCDI D7 LCD B5 15 LCD1_D23 LCD R5 36 GND GROUND 16 GND GROUND 37 LCDI DEN E 17 GND GROUND 38 N C NO CONNECTION 18 GND GROUND 39 VCC_LCD SWITCHED 3 3V 19 LCDI_D10 LCD GO 40 VCC LCD SWITCHED 3 3V 20 LCDI_D11 LCD Gl 41 GND GROUND 21 LCD1_D12 LCD G2 41 39 1 40 4 2 Table 17 CMOS LCD Connector Pin Outs PXA270 CMOS LCD J9 No Signal Description No Signal Description 1 GND GROUND 22 GND GROUND 2 LCD_PCLK LCD DOT CLOCK 23 LCD_D9 LCD G4 3 GND GROUND 24 LCD_D10 LCD G5 4 LCD LCLK LCD H SYNC 25 LCD DII LCD RO 5 LCD FCLK LCD V SYNC 26 GND GROUND 6 GND GROUND 27 GND GROUND 7 GND GROUND 28 GND GROUND 8 GND GROUND 29 LCD DO LCD BO 9 LCD 12 LCD R1 30 LCDDI LCD B1 10 LCD LCD R2 31 LCD_D2 LCD B2 11 LCD_D14 LCD R3 32 GND GROUND 12 GND GROUND 33 LCD_D3 LCD B3 28 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual No Signal Description No Signal Description 13 LCD_D15 LCD R4 34 LCD_D4 LCD B4 14 LCD_D16 RESERVED 35 LCD D5 LCD GO 15 LCD DI17 RESERVED 36 GND GROUND LCD DATA 16 GND GROUND 37 LCD BIAS ENABLE 17 GND GROUND 38 VCC LCD SWITCHE
23. M 023 PFU a Fujitsu company xxx refers to current version Media Engine User Manual 2 Due to the confidential nature of the material in this document a Non Disclosure Agreement between the customer and PFU Systems must be executed Please contact your PFU Systems sales representative for details You can obtain the status of PFU Systems documents from PFU Systems web site www PFUsystems com or requested from a PFU Systems sales representative Many PFU documents can be downloaded form this web site Applicable Media Engine Board Products This manual is applicable to the following Media Engine Boards Part No Description DRAM Flash 20 OS Graphics Media Engine with Intel PXA270 and 2700G Multimedia Accelerator Windows ESXMBI2864GW ith 128MB DRAM GAMB Flash amp Ze CE 5 0 Windows CE 5 0 Media Engine with Intel PXA270 and 2700G Multimedia Accelerator Windows PSXME12864GL th 128MB DRAM 64MB Flash amp 17915 64MB Yes 5 0 Linux Bootloader Media Engine with Intel PXA270 Native Graphics Option with Linux PSXME6432NW 64MB DRAM 32MB Flash amp CIME 22MB No Bootloader Windows CE 5 0 Media Engine with Intel 270 Native Graphics Option with Linux Weer 64MB DRAM 32MB Flash amp Linux Bootloader Bootloader Development Kit Table 2 Applicable Board Products To get a head start you m
24. MM CD Table 21 Secure Digital Connector Pin Outs 1 CNS No Signal Description 1 SERA DCD Carrier Detected 2 SERA_RxD Receive Data 3 SERA_TxD Send Data 4 SERA_DTR Data Terminal Ready 5 GND Ground PS XME UM 023 31 PFU a Fujitsu company Media Engine User Manual No Signal Description 6 SERA_DSR Data Set Ready 7 SERA_RTS Request To Send 8 SERA_CTS Clear To Send 9 SERA_RI Ring Indicator 10 GND Ground 11 GND Ground Table 22 COM1 Connector Pin Outs PC J11 No Signal Description 1 SCL I2C Serial Clock A 2 2 VCC3R3 33V UD 3 GND Ground HI o e ES E 4 DC SDA I2C Serial Data 00 3 1 Table 23 DC Connector Pin Outs SPI J12 No Signal Description 1 SPI FRM SPI Frame 2 2 SPI CLK SPI Clock Ez SPILRXD SPI Receive Data ee 4 SPI TXD SPI Transmit Data 5 GND Ground 6 NOTUSE 5 1 Table 24 SPI Connector Pin Outs IRDA BT J13 No Signal Description 1 IRDA_TXD IRDA Transmit Data 2 VCC3R3 3 3V 3 IRDA_EN IRDA Enable 4 IRDA_RXD IRDA Receive Data 5 BT_RXD Blue Tooth Receive Data 6 GND Ground 7 BT_CTS Blue Tooth Clear to Send 9 8
25. PKU a Fujitsu company Media Engine User Manual Version 2 3 This document is the sole product and intellectual property of PFU Systems Inc Copyright PFU Systems Inc 2001 2009 Distribution or reproduction by permission only PFU a Fujitsu company Media Engine User Manual Introduction Thank you for basing your system on our XScale based Media Engine Single Board Computer SBC We are confident that it will help you get your product to market quickly while reducing overall development cost The Media Engine User Manual explains the features functions and technical specifications for PFU Systems Media Engine Single Board Computer Specifically it describes the board layout connectors and jumpers active components mechanical and environmental ratings and provides signal descriptions Two versions of the Media Engine are available One version includes 2700G Multimedia Accelerator to drive LCD displays the other version uses the direct output of the processor to drive LCD display i Review the information contained in this manual before using the Media Engine Caution THE INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH PFU SYSTEMS PRODUCTS NO LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT EXCEPT AS PROVIDED IN PFU SYSTEMS TERMS AND CONDITIONS OF SALES FOR SUCH PRODUCTS PFU SYSTEMS ASSUMES NO LIABILITY WHATSOEVER AND
26. ation 7 years Ethernet Controller SMCS LAN9ICIII AC 97 Audio Tones Philips UCB1400 Panel Controller USB Hub Philips ISP1520BD T O Interfaces CMOS LCD 1 x Single Channel lobbp 64K color 1 x Single Channel l bbp 64K color 41 41 pin LVDS LCD 1 x Single Channel 24bbp 64M color None 30 pin 1 x PXA270 4 SPI 1 x PXA270 SPI 6 pin GPIO 10 x PXA270 GPIO 16 pin Serial Port 1 x RS 232 DB 9 2 x TTL 10 pin USB 4 x USB 1 1 Host Type Ethernet 1x RJ 45 PS XME UM 023 15 PFU a Fujitsu company Media Engine User Manual Item Specification CompactFlash 1 x Type II CF Socket SD Card 1 x SD Slot Audio 2 x 1W Stereo Speaker Out 6 pin Microphone Mono Microphone Input 3 5mm Jack JTAG 1 x PXA270 JTAG interface 20 pin Touch Panel 4 wire 1 x FPC x 4 pin header 2 5V 12V Brightness Control 6 pin Physical Dimensions 5 Length 5 Width 0 85 Height Weight 3 9 ounces Operating Environment m did Power Supply 12VDC 10 2 eus 20 80 RH no condensation Shock 50G Vibration 2 2G MTBF 85 000 hours Storage Environment iin ae Humidity 0 90 RH no condensation Power Consump tion Measured 30W Power Consumption was measured with a typical maximum configuration while Maximum w running all diagnostics This measurement includes a large LCD wit
27. ay also want to order a Media Engine Development Kit for a complete set of accessories for the Media Engine The Media Engine Development Kit contains the items listed below Part No Description PSXMEKITA Media Engine Development Kit 12V 60W 100 240VAC AC Adapter with US AC power cable Stereo Speaker Assembly Registry Clear Plug 4 Wire Touch Panel 12 1 XGA 24bpp LVDS LCD Panel LVDS Data Cable Backlight Inverter Inverter Cable Printed version of this manual Table 3 Development Kit Contents PS XME UM 023 PFU a Fujitsu company Media Engine User Manual Other Components You May Need In addition to the items included with the Media Engine board package you may need some or all of the following components These items can be ordered separately from PFU Systems e USB Flash Drive e USB Key Board e USB Mouse e Secure Digital SD Card e Compact Flash CF Card Table 4 Other Components You May Need Other Documents You May Need These documents from other sources may be helpful in using the Media Engine Description Source Intel PXA270 Processor Datasheet www intel com Intel 27 Processor Family Design Guide www intel com Intel PXA27x Processor Family Developer s Manual www intel com Intel 2700G Multimedia Accelerator Datasheet www intel com Intel 2700G Multimedia Accelerator Design Guide www intel com CF
28. characteristics e Low power e Small footprint e Industry standard ports e Connectors for common interconnect While effective in many applications the Media Engine was targeted to the following markets e Indoor Media Display e Outdoor Media Display e Gasoline Service Applications e Retail Cabinet Media Display Disposable Computer In addition the Media Engine meets requirements for the embedded control market by providing these ports e SPI compliant Serial Synchronous Port e Bus Specification Version 2 0 e General Purpose Input or Output PXA270 GPIO e IrDA The IrDA capability is not currently validated e USB e RS222 e Serial Interfaces A CompactFlash Type II socket and a Secure Digital SD Card Slot provide connectivity to removable solid state storage devices for software upgrades and system storage 12 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual Media Engine Block Diagram Inverter Control LVDS LVDS LCD T 2700G Multimedia CMOS LCD Accelerator SDRAM RJ 45 PXA270 128MB opt 64MB opt 32MB N o R 55 o Buffer CompactFlash Transciever 2x TTL Serial AC 97 Speaker Out CODEC Touch Panel Cont Line In Touch Panel JTAG Debug Port DC DC Converters Power Jack Inverter Power Figure 4 Media Engine Block Level Diagram PS XME UM 023 13 PFU a Fujitsu company Media Engine User Manual
29. h 4 back light tubes 15 LCD LCD p n NEC NL10276BC30 17 Measured Maximum w o LCD 4W Power Consumption was measured with a typical maximum configuration while running all diagnostics This measurement does not include a LCD 16 Table 6 Media Engine Specifications PS XME UM 023 PFU a Fujitsu company Media Engine User Manual Headers Connectors Switches and LEDs Reset Switch Ethernet 2 USB usg SW n CN15 CN19 CN20 CN17 J6 D1 dn Speaker zi E 416 Ba N CompactFlash Ha J10 Touch Panel Secure Digital J17 J14 2700G3 CMOS J8 DIP Switch SW3 LCD Inverter 2700G3 LVDS J7 J3 PXA270 Oy 2 C Per J2 O O Mounting Hole x5 2 Factory Programming IRDA BT GPIO J13 J12 J15 011 Figure 6 Top View of Media Engine Connectors PS XME UM 023 17 PFU a Fujitsu company E Media Engine User Manual
30. he Media Engine is packaged and how to prepare for the power on Basic Media Engine Installation Installation and startup of the Media Engine Single Board Computer SBC in general purpose environment Unpacking the Media Engine SBC The Media Engine ships with preconfigured DRAM Memory Flash and Operating System User modifications to the configurations are not generally possible Installing the Media Engine SBC Mount the Media Engine Board in a suitable location Refer to the chapter on Mechanical Specifications for mounting information Provide power to the Media Engine using a suitable power supply Refer to the Design Overview chapter for power requirements and the Interface Specifications chapter for connector details There are five mounting holes on the Media Engine These mounting holes have a diameter of 4 2 millimeter and a pad diameter of 8 millimeter PFU Systems recommends using M3 5 screws for mounting Media Engine Development Kit Installation Installation and startup of the Media Engine with the Media Engine Development Kit Unpacking the Development Kit Media Engine Development Kit includes these items 4 Wire Touch Panel 12 1 XGA 24bpp LVDS LCD Panel LVDS Data Cable Backlight Inverter Inverter Cable Stereo Speaker Assembly 12V 60W 100 240VAC AC Adapter with US AC power cable Registry Clear Plug Ja See the Media Engine Software User Manual for use of the Registry Clear Plug Note Assembly of the Development
31. n 27 Table 17 CMOS LCD Connector Pin 28 Table 18 PXA270 CMOS LCD Connector Pin Outs Native Graphics Option 6 29 Table 19 LVDS LCD Connector Pin Out 30 Table 20 Type Il Socket Pin ip 31 Table 21 Secure Digital Connector Pin Outs 31 Table 22 COMI Connector Pin Out 32 Table 23 DC Connector Pin Outs eene entes nene 32 Table 24 SPI Connector Pin Outs eet ettet eie tia tea Eee peus 32 Table 25 IRDA BT Connector Pin Outs nennen nnne reete nennen entente 33 Table 26 GPIO Connector Pm enie re eta 33 Table 27 Speaker Connector Pin aetate ee buena abe 34 Table 28 Microphone Connector Pin Outs esee 34 Table 29 DC Jack Prin Outs rct eter teet eed iia et teet a veas dE 34 Table 30 USB Connector Pin tee ree e Y PEE eee 34 Table 31 Frequencies Used Internally by the Media Engine 0 39 PS XME UM 023 9 PFU a Fujitsu company Media Engine User Manual Chapter 1 Installation and Startup This chapter describes how t
32. on 1 LINE_OUTL_P Left Speaker Positive 1 2 LINE_OUTR_P Right Speaker Positive 5 3 OND AUD Ground 4 GND AUD Ground AIOI PS XME UM 023 33 PFU a Fujitsu company Media Engine User Manual No Signal Description 2 LINE OUTL Left Speaker Negative 6 LINE OUTR N Right Speaker Negative Table 27 Speaker Connector Pin Outs MIC IN CN17 No Signal Description 1 GND_AUD Ground 2 2 MIC Microphone In A 3 3 Reference Voltage 2 25V 1 Table 28 Microphone Connector Pin Outs DC JACK J6 No Signal Description Connection 12V DC 1 NC No Connection Connection GND 2 5mm 3 SHELL 5 5mm Table 29 DC Jack Pin Outs USB CN19 CN20 No Signal Description USB Port x Power Port 1 1 VCCx 1 and 3 respectively for CN19 and CN20 1 2 USBx 1 USB 1 1 Port x Data 1 3 USBx 1 USB 1 1 Port x Data 1 4 GND Ground 5 VCCy 2 USB Port y Power 2 6 USBy 2 USB 1 1 Port y Data 2 7 USBy 2 USB 1 1 Port y Data 2 8 GND Ground Port 1 and 3 respectively for CN19 and CN20 2 Port 2 and 4 respectively for CN19 and CN20 Table 30 USB Connector Pin Outs 34 PS XME UM 023 PFU a Fujitsu company E Media Engine User Manual Chapter 6 Windows Operating S
33. pter board JTAG The Media Engine provides a debug JTAG port J2 that conforms to the IEEE Std 1149 1 1990 and IEEE Std 1149 1a 1993 Standard Test Access Port and Boundary Scan Architecture This port is only connected to the PXA270 and is used for software debugging and programming the flash memory 2 Contact your local PFU Systems sales representative for qualified Software Development tools Note PS XME UM 023 1 PFU a Fujitsu company 2 e Media Engine User Manual CompactFlash The Media Engine supports one Type CompactFlash slot J10 The CompactFlash interface conforms to and CompactFlash Specification Version 1 4 L The CF interface does not support removal or insertion hot swappable while the Media Caution Engine is powered USB Interface The Media Engine supports four host USB 1 1 ports using two dual stacked connectors CN19 amp CN20 fa The Media Engine can provide up to 0 5A to each USB 1 1 port A current limiting device provides over current protection for each port and will open when the current draw exceeds Caution 0 5 This device is self resetting when the fault condition is removed Audio Support The Media Engine uses a Philips UCB1400 20 bit stereo audio Codec The speaker out header J16 features 1 Watt per channel output power to directly drive two external 8 ohm speakers The microphone interface uses an industry standard 3 5mm connector CN17 and supplies a 2 25V reference vol
34. r Manual Appendix A List of Clock Frequencies The table below shows the list of clock frequencies used internally by the Media Engine Element Frequency Crystal X2 13 000 MHz Crystal 25 000 MHz Crystal 24 576 MHz Crystal 12 000 MHz Crystal 32 768 KHz Table 31 Frequencies Used Internally by the Media Engine PS XME UM 023 39 PFU a Fujitsu company Media Engine User Manual Index 27700G sese 2 3 4 15 19 22 27 29 Media Engine Development Kit 3 10 36 AC Adapter eene 3 10 11 21 10 15 21 22 Audio 15 16 19 22 OI 19 34 Backlight Inverter 3 10 11 22 Microphone eene 16 22 34 Battery d 15 20 35 Cache H 15 3 19 35 30 31 2 COMTE 19 21 31 32 Power 3 10 11 12 16 19 20 21 22 34 CompactFlash 4 12 16 19 22 30 Power EE 11 Configurations 10 Power Supply esee 16 Connectors2 4 10 12 17 18 19 21 22 24 25 28 29 30 31 32 33 34 IR io ere tv EHE Rene eto vba ted 4 10 12 Development Km 3 10 inion oie 3 10 15 Environment 00ccccceeesesesesesesesesesesesenens 10 16 Environmental 00 0 2 Ethernet sese 15 19 21 26
35. t 10 Assembly of the Development Kit and the Media Engine sse 10 Starting Up the Media Engine Operating System 11 Chapter 2 Design Overview ives E 12 tes e E 12 Media Engine Block Diagram 2 2 2 4 4 iae eE 13 Media Engine Specifications 044 44400 0 15 Headers Connectors Switches and LEDS 17 Media Engine Connectors o 19 Ke 20 LCD Table M EEEE EPEE 20 LED ME 20 3 T EEES 21 10 100 Mbps Ethernet Support 1 Port eren eene rennen ene 21 daptet SUPPOLL m 21 Secure Digital 2 E 21 Se al Interface p Q 21 Ke e EE 21 JTAG EE 21 Comp tFlas EcL 22 6 PS XME UM 023 PFU a Fujitsu company 3 Media Engine User Manual USB Interface senesine aE a EER E E EA EE AEE AEREO 22 Andi Ge E 22 LCD Interface P ERE ee 22 Backhoht E 22 eiue 22 Sl m PN 23
36. tage LCD Interface The Media Engine uses the Intel 2700G Multimedia Accelerator with 32MB of video memory for high performance graphics and video acceleration Direct connection to a TFT LCD can be made through the parallel CMOS 16bpp bits per pixel 41 pin connector 78 or from the serial LVDS 24bpp 30 pin connector J3 The Media Engine is preconfigured to support VGA SVGA or XGA LCD panels from NEC See the LCD Table Table 10 for the supported panels that can be selected with the dip switch SW3 The Native Graphics Option version of the Media Engine without the 2700G Multimedia Accelerator can be directly connected to a TFT LCD through the parallel CMOS 16bpp 41 pin connector 79 P Contact your local PFU Systems sales representative if support for a different LCD panel is Note required Backlight Inverter The Media Engine provides switched power for 5V or 12V backlight inverters on a 6 pin connector J7 LCD brightness control is also supported through a digital potentiometer controlled through an API GPIO Each GPIO pin can be programmed as an input or output When programmed as an input a GPIO can also serve as an interrupt source to sample rising or falling edges When programmed as an output the GPIO s be individually cleared or set See 27 Processor Family Developer s Manual for more information on configuring GPIO This interface is provided on a 16 pin shrouded header J15 tA Most GPIO pins are
37. tem o 3 Ses Dialing Display Input Panel Internet Keyboard Mouse Network and Options Dial up Co Volume amp Sounds Owner Stylus Properties Double Tap Calibration Tf your Windows CE device is not responding properly to your taps you may need to recalibrate your screen Recalibration involves tapping the center of a target If you miss the center keep the stylus on the screen slide it over the target s center and then lift the stylus To start tap Recalibrate ER 9 PC Regional Remove Connection Settings Programs Figure 14 Stylus Properties Dialog Box 4 Select the Recalibrate button to start the procedure The calibration screen opens 7 Start Prompt Control Panel Stylus Properties de 1 36 AM Carefully press and briefly hold stylus on the center of the target Repeat as the target moves around the screen Press the Esc key to cancel Figure 15 Calibrate Screen A blank screen with a cross opens PS XME UM 023 37 PFU a Fujitsu company Media Engine User Manual 5 Press and hold the stylus on the center of the cross until the cross moves to the next target position Use a stylus instead of a finger 6 Repeat this procedure for the five different locations 7 When the calibration is successfully completed the window closes 38 PS XME UM 023 PFU a Fujitsu company E Media Engine Use
38. ur computer Figure 12 It is now safe to turn off your computer 3 Pressing the Shut down without saving settings button will also result in the message It is now safe to turn off your computer Note that this will not save any new registry settings 4 Pressing the Cancel button clears the screen and returns to the previous window Registry Clear Plug A registry clear plug is provided in the Media Engine Development Kit This plug is used to restore the operating system registry to the factory defaults See the Media Engine Software User Manual for details of the use of the Registry Clear Plug Touch Panel Calibration The Media Engine provides a touch panel calibration utility This utility assists in aligning the touch panel s coordinates to the LCD To calibrate the Media Engine 1 Select Control Panel from the Start Menu IF Programs gt Ze Favorites gt O Documents gt Settings 2 C Run Control Panel amp Network and Dial up Connections Pan I Taskbar and Start Menu Figure 13 Select Control Panel from the Start Menu The Control Panel opens 2 Start the calibration utility by selecting the stylus icon on the Control Panel The Stylus Properties Dialog box opens 3 Select the Calibration tab 36 PS XME UM 023 PFU a Fujitsu company Media Engine User Manual pn d Certificates Date Time H 3 Stylus Sys
39. ystem Describes operating system considerations for the Media Engine Refer to the Media Engine Software User Manual PS XMESW UM xxx for details about the Media Engine use of Windows CE and application integration Operating System Installation The Windows version of the Media Engine comes with the Windows CE operating system already installed A Certificate of Authenticity is included in the board package Registry Save Utility The Media Engine provides an interface to save registry settings that are vital to system operation The registry save utility saves information such as LAN Settings Volume Level LCD Brightness and others This utility is part of the shutdown sequence To initiate the Registry Save Utility 1 Select Shutdown in the Start Menu ign Programs Ze Favorites 3 Documents gt Settings Figure 10 Windows CE Start Menu The Prepare system for shut down dialog box opens Prepare system for shut down Saves your systems settings and prepares the system for shutdown Shut down without Cancel saving settings Figure 11 Prepare System for Shut Down Dialog Box This dialog box offers three choices 2 Pressing the OK button executes a Registry Save and results in the message It is now safe to turn off your computer Note that this will save your current registry settings PS XME UM 023 35 PFU a Fujitsu company Media Engine User Manual It is now safe to turn off yo
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