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1. M 6 3 9 9 5 QVGA TFT LOD with 7 4 MC9328MXL On Chip I O Devices sen n nds annt ssi Enn 8 Aid OPI D ERE 8 8 4 3 MC9328MXL General Purpose I O Port Pin 8 4 4 MC9328MXL Interrupt Pin Assignments 12 4 5 MC9328MXL Debug UART 13 4 6 MC9328MXL SPI Controller 13 4 7 MC9328MXL I2C Interface 13 4 8 MC9328MXL 4 Bit SD MMC Controller 13 4 9 MC9328MXL Compact Flash 14 4 10 MC9328MXL USB Device Port 14 4 11 TFT LCD Controller 14 5 Power and 16 5 1 16 5 2 3 3V Switching Regulator 16 5 3 Macraigor USBDemon 16 6 CSB536FS Software 17 EO ETENE EE 17 7 CSB536FS CPU Module Connectors LED s and Switches 18 _ _ _ _ _ 18 7 2 CSB536FS Expansion Connector 18 7 3 CS
2. PAGE 19 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 Expansion Connector P1 Pin Signal Pin Signal 13 Ground 14 Ground 15 Ground 16 l2C SCL 17 SPI DIN 18 25 TXD 19 SD VEN 20 I2C SDA 21 22 Ground 23 Ground 24 125 BCLK 25 LCD VEN 26 Ground 27 Ground 28 25 TFS 29 25 RXD 30 SD CD 31 32 LCD DOE 33 SSI RFS 34 LCD CONT 35 Ground 36 LCD_HSYNC 37 SPI_CLK 38 CF_RDY 39 Ground 40 CF CD 41 UART1 RXD 42 LCD R4 43 44 LCD R1 45 46 LCD R2 47 LCD VSYNC 48 LCD GO 49 LCD G5 50 LCD G4 51 LCD G1 52 LCD G2 53 LCD R3 54 LCD B2 55 CF RST 56 LCD B4 57 LCD R5 58 LCD B3 59 CF VEN 60 LCD B1 61 Ground 62 LCD G3 63 LCD PCLK 64 LCD B5 65 Ground 66 CPU ADDRESS 20 67 CPU ADDRESS 19 68 CPU ADDRESS 18 PAGE 20 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 Expansion Connector P1 Pin Signal Pin Signal 69 CPU ADDRESS 17 70 CPU ADDRESS 16 71 CPU ADDRESS 14 72 CPU ADDRESS 15 73 3 3V 74 3 3V 75 3 3V 76 3 3V 77 3 3V 78 3 3V 79 3 3V 80 3 3V Table 10 P1 Expansion Connector 1 Pinout Expansion Connector P2 Pin Signal Pin Signal 1 Ground 2 Ground 3 Ground 4 Ground 5 Ground 6 Ground 7 Ground 8 Ground 9 CPU CLKOUT 10 11 Ground 12 CPU ADDRESS 9
3. Table 6 MC9328MXL GPIO Port D Pin Assignments 4 4 MC9328MXL INTERRUPT PIN ASSIGNMENTS The MC9328MXL has a number of GPIO s that are or can be used as interrupt inputs to the ARMO Interrupt Controller The following table describes the GPIO that are used as interrupts on the i MXL LiteKit User software is required to enable the interrupt function for any signal GPIO Bit Source Notes PA3 USR SWO User Pushbutton Switch 0 PAGE 12 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 GPIO Bit Source Notes PA4 USR SW1 User Pushbutton Switch 1 PB16 CD SD MMC Card Detect 0 card in PB17 E INT CS8900a Interrupt 0 active PB18 PIRQ ADS7846E Touch Controller Interrupt 0 active PB19 12 INT PCA9554 GPIO Expander Interrupt 0 active PC9 USB CD USB Cable Detect 1 USB Device Cable In and powered PD7 CF CD CF Card Detect 0 card in PD9 CF RDY CF Ready Busy Polarity depends upon the mode the CF card is in Table 7 CSB536FS CSB925 Interrupt Pin Assignments 4 5 MC9328MXL DEBUG UART The MC9328MXL UART 1 is used as the debug UART on the i MXL This UART is buffered with an RS 232 Transceiver TXD and RXD only and brought to the DB 9 Software must assign the appropriate GPIO pins PC11 TXD PC12 RXD to the UART 1 function Refer to the MC9328MXL Users Manual for more information about the MC9328M
4. 13 CPU ADDRESS 13 14 CPU ADDRESS 10 15 CPU ADDRESS 11 16 CPU ADDRESS 7 17 CPU ADDRESS 12 18 CPU ADDRESS 8 19 CPU DATA 15 20 CPU ADDRESS 5 21 CPU DATA 14 22 CPU ADDRESS 6 23 CPU DATA 13 24 CPUDATA 11 25 CPU ADDRESS 3 26 27 CPU ADDRESS 4 28 CPU ADDRESS 2 29 CPU DATA 12 30 EBO 31 EB3 32 CPU DATA 7 33 EB2 34 9 35 OE 36 CPU ADDRESS 1 PAGE 21 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 Expansion Connector P2 Pin Signal Pin Signal 37 CPU DATA 10 38 CPUDATA8 39 DTACK 40 C55 41 CS3 42 CPU ADDRESS 0 43 CPU DATA 6 44 CPUDATA5 45 CS1 46 CPU DATA 4 47 CPU DATA 3 48 CSO 49 CPU DATA 0 50 CPU DATA2 51 CPU DATA 1 52 53 Ground 54 Ground 55 SD CMD 56 SD CLK 57 Ground 58 Ground 59 SD D2 60 SD D3 61 SD DO 62 SD D1 63 USB CD 64 USB SCON 65 UART1 TXD 66 PIRQ ADS7846E 67 E INT CS8900a 68 PWMO LED BKL 69 SPI DOUT 70 CS 71 l2C INT PCA9554 72 5 WP 73 3 3V 74 3 3V 75 3 3V 76 3 3V 77 3 3V 78 3 3V 79 3 3V 80 3 3V Table 11 P2 Expansion Connector 2 Pinout Expansion Connector P3 Pin Signal Pin Signal 1 Ground 2 VIN 3 Ground 4 VIN PAGE 22 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16
5. 1 The ADS7846E is connected the MC9328MXL using the built in SPI port 2 GPIO PC15 is used as SPI Chip Select 3 The ADS7846E interrupt output is connected to GPIO22 This interrupt output is a low true level output 4 Software is responsible for assigning the associated GPIO signals to SPI use They are PC14 to PC17 3 6 WOLFSON MICROELECTRONICS WM8731 125 CODEC The Wolfson WM8731 provides the LiteKit with a 20 Bit Audio Codec It supports Stereo Line in Stereo Line out which can also drive a headphone and Microphone in WM8731 Interface Notes 1 GPIO to PC8 must be programmed for SSI Function 125 Mode 2 The WM8731 uses the I2C interface for control GPIO PA16 SDA and PA16 SCL are used for this function Note that they can be used as bit bang 12C or they may be programmed to the MC9328MXL I2C Controller function 3 7 GPIO LED S AND SWITCHES Two Yellow LED s are located on the CSB536FS CPU Module along with two pushbutton switches The LED s are assigned to GPIO PD31 LEDO and PA1 LED1 while the switches are assigned to USR SWO and 4 USR SW1 A low to the LED will turn the LED on The switches will drive the associated GPIO low when pressed Note that there is no de bouncing in hardware for the switches 3 8 12C LED S AND SWITCHES A Phillips PCA9554 I2C GPIO Expander is provided to interface to four red LED s and four pushbutton switches on the CSB935FS The I2C address of the PCA9554
6. DIN SPI Data In from ADS7846E PC17 Out SPI DOUT SPI Data Out to ADS7846E Table 5 MC9328MXL GPIO Port C Pin Assignments GPIO Port D Bit DIR Usage Alternate Functions Notes PD6 Out LCD PCLK LCD Pixel Clock PD7 In CF CD Compact Flash Card Detect 0 Present PD8 Out CF RST Compact Flash Reset 1 Reset Card PD9 In CF RDY Compact Flash Ready Busy Status Flag PD10 Out CF VEN Compact Flash Power Enable 1 on PD11 Out LCD CONT LCD Auxiliary Voltages Enable 1 on PD12 Out LCD_DOE LCD Output Enable in TFT Mode PAGE 11 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 GPIO Port D Bit DIR Usage Alternate Functions Notes PD13 Out LCD HSYNC LCD Horizontal Sync PD14 Out LCD VSYNC LCD Vertical Sync PD15 Out LCD B1 LCD Blue Bit 1 LSB PD16 Out LCD B2 LCD Blue Bit 2 PD17 Out LCD B3 LCD Blue Bit 3 PD18 Out LCD B4 LCD Blue Bit 4 PD19 Out LCD B5 LCD Blue Bit 5 MSB PD20 Out LCD GO LCD Green Bit 0 LSB PD21 Out LCD G1 LCD Green Bit 1 PD22 Out LCD G2 LCD Green Bit 2 PD23 Out LCD LCD Green Bit 3 PD24 Out LCD G4 LCD Green Bit 4 PD25 Out LCD G5 LCD Green Bit 5 MSB PD26 Out LCD R1 LCD Red Bit 1 LSB PD27 Out LCD R2 LCD Red Bit 2 PD28 Out LCD R3 LCD Red Bit 3 PD29 Out LCD R4 LCD Red Bit 4 PD30 Out LCD R5 LCD Red Bit 5 MSB PD31 Out LEDO User LED 0 on CSB536FS 0 on
7. PB25 Out USB VM USB Receive from USB Transceiver PB26 Out USB VPO USB Transmit to USB Transceiver PB27 Out USB_VPM USB Transmit to USB Transceiver PB28 Out USB SPD 1 12Mbit 0 1Mbit PB29 Out USB MODE 1 Differential O Single Ended PB30 Out USB EN 1 Enable 0 Disable USB Transceiver PB31 Not available Table 4 MC9328MXL GPIO Port B Pin Assignments GPIO Port C Bit DIR Usage Alternate Functions Notes PAGE 10 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 GPIO Port C Bit DIR Usage Alternate Functions Notes Out SSI RFS Receive Frame Sync to 125 Codec PC4 In SSI Audio Bit Clock from 125 Codec PC5 In SSI Receive Audio Data from 125 Codec PC6 Out SSI TXD Transmit Audio Data to 125 Codec PC7 Out SSI TFS Transmit Frame Sync to 125 Codec PC8 Out LCD VEN LCD Power Enable 1 on PC9 In USB CD 1 USB Cable powered on PC10 Out USB SCON 1 Indicate to the Host a 12Mbit USB Device the MC9328MXL is present leave as input when not ready to connect PC11 Out U1 TXD Debug Port Transmit via RS232 buffer PC12 In U1 RXD Debug Port Receive via RS232 buffer PC13 Not available PC14 Out SPI CLK SPI Clock to ADS7846E PC15 Out SPI CS SPI Chip Select low true to ADS7846E PC16 In SPI
8. Product be used and stored at all times in conditions with proper electrostatic protection necessary and appropriate for a complex electronic device These conditions include proper temperature humidity radiation atmosphere and voltage standard commercial environment OC to 70C lt 60 RH Any Product that has been modified without the express prior written consent of Cogent is not covered by this warranty Cogent Single Board and Cogent Modular Architecture test and bus connectors are for use with Cogent adapters only The use or connection of any test or bus connector adapter or component with any device other than a Cogent connector or adapter shall void this warranty and the warranty of all other components parts and modules connected to the rest of the system Cogent shall not be responsible for any damage to the Product as a result of a customer s use or application of circuitry not developed or approved by Cogent for use on or in connection with the Product This warranty does not cover defects caused by electrical or temperature fluctuations or from stress resulting from or caused by abuse misuse or misapplication of the Product Any evidence of tampering with the serial number on the Product shall immediately void this warranty This Product is not intended to be used on or embedded in or otherwise used in connection with any life sustaining or life saving product and this warranty is not applicable nor is Cogent liable in any respect if
9. contains a standard 20 pin JTAG header on the breakout board as well This may be used instead of the USBDemon interface In that case DO NOT CONNECT the USBDemon cable and an external JTAG controller to the 20 Pin header simultaneously PAGE 16 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 6 CSB536FS SOFTWARE 6 1 OVERVIEW Due to the various resources contained on the CSB536FS and CSB925 both and off the MC9328MXL it is necessary to initialize a large number of MC9328MXL registers and external devices before correct operation can begin These values and their proper sequencing are beyond the scope of this document The Micromonitor source code should be referred to as the best guide PAGE 17 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 7 CSB536FS CPU MODULE CONNECTORS LED S AND SWITCHES 7 1 OVERVIEW This section provides the locations and pinouts of the various connectors on the i MXL LiteKit CPU Module 7 2 CSB536FS EXPANSION CONNECTOR The following diagram shows the location of the Expansion Connectors and the mounting holes on the CSB536FS The mounting holes are 100 in diameter na I D N o Q d h S S at S 0 2000 e e 0 1250 0 1375 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I EXPANS ION CONNECTOR P2 CSBS36FS eee SIDE FACE U
10. is 0x20 PAGE 6 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 Refer to the schematic for the pin assignments CPU GPIO PB19 will go low also whenever any one of the switches is pressed As with the GPIO switches there is no hardware de bouncing circuitry 3 9 3 5 QVGA TFT LCD WITH TOUCH A 3 5 Portrait Mode QVGA LCD provides the i MXL LiteKit with a low power transflective LCD display with touch overlay similar to that used on commercial PDA s This allows the user to develop graphical user interfaces for a wide variety of end applications Refer to the Micromonitor source code mc9328mxl lcd c for detailed programming and setup examples Additionally the schematic will show the necessary interface to this display PAGE 7 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 4 MC9328MXL ON CHIP I 0 DEVICES 4 1 OVERVIEW The MC9328MXL has a number of on chip peripheral devices as well as a number of user defined control lines While it is beyond the scope of this document to provide detailed programming and interfacing information for the MC9328MXL on chip peripherals the following section describes the assignments for these devices and control lines as implemented on the CSB536FS and on the CSB935FS breakout Note that unused peripherals or GPIO are not made available on the CSB536FS connectors They are simply unconnected 4 2 MC9328MXL CHIP SELECTS As described in Section 3
11. the Product is so used Notwithstanding anything to the contrary herein Cogent expressly disclaims any implied warranty of merchantability or implied warranty of fitness for a particular purpose in connection with the manufacture or use of the Product PAGE 3 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 2 OVERVIEW 2 1 INTRODUCTION The i MXL LiteLiteKit CSB536FS CPU Module along with the companion CSB935FS Breakout Board was designed and developed by Cogent Computer Systems Inc as a highly integrated Freescale MC9328MXL Development LiteKit The major features of the MC9328MXL Development LiteKit are as follows 200Mhz Freescale MC9328MXL CPU with 16K I Cache and 16K D Cache 64Mbyte 32 Bit Wide SDRAM 8Mbyte 16 Bit Wide FLASH Ultra Low Power CS8900a 10Mbit Ethernet Controller on CSB935FS 3 5 240x320 QVGA TFT LCD with Integrated Touch Screen on CSB935FS RS 232 Buffer for Debug Serial Port on CSB935FS USB Device Interface via USB Mini B connector on CSB935FS SD MMC Controller 4 Bit socket CSB935FS Compact Flash Interface socket and buffers on CSB935FS Wolfson WM8731 Stereo Codec on CSB935FS with Line In Line Out and Microphone In ADS7846E 4 Wire Touch Controller on CSB935FS On Board Macraigor USBDemon JTAG Controller via USB Mini B on CSB536FS Standard 20 Pin JTAG Header on CSB935FS 2 2 REFERENCE DOCUMENTS Refer to the following documents for more detailed information r
12. 1 the MC9328MXL Chip Selects are used to enable the various peripheral devices on the i MXL LiteKit As a cross reference they are described again in the following table Chip Select Attached Device s Notes CS0 StrataFLASH Boot Device CS1 CS8900a Ethernet Controller CS2 Used as SDCSO SDRAM CS3 Not Available CS4 Not Available CS5 Compact Flash Via CPLD Table 2 MC9328MXL Chip Select Assignments 4 3 MC9328MXL GENERAL PURPOSE I O PORT PIN ASSIGNMENTS The MC9328MXL has four General Purpose I O ports A to D The usage on the i MXL LiteKit is described in the following tables Note that it is the responsibility of software to setup these bits for the correct direction and default state as well as the assignment of alternate functions GPIO Port A Bit DIR Usage Alternate Functions Notes PA1 Out LEDO User LED on CSB536FS 0 on PAGE 8 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 GPIO Port A Bit DIR Usage Alternate Functions Notes PA2 Out GPIO PWMO LCD backlight 1 on 0 off PA3 In USR SWO User Switch 0 on CSB536FS 0 Pressed PA4 In USR SW1 User Switch 1 CSB536FS 0 Pressed PA5 Not available PA6 Not available PA7 Not available Not available PA9 Not available PA10 Not a
13. 2006 Expansion Connector P3 Pin Signal Pin Signal 5 Ground 6 VIN 7 Ground 8 VIN 9 RST IN 10 VIN 11 TSRT 12 VIN 13 l 14 VIN 15 TCK 16 Ground 17 TMS 18 Ground 19 TDI 20 Ground 21 TDO 22 Ground 23 RST_OUT 24 Ground 25 BSELO 26 Ground 27 BSEL1 28 VMAIN 29 BSEL2 30 VMAIN 31 BSEL3 32 VMAIN 33 Ground 34 VMAIN 35 Ground 36 VMAIN 37 Ground 38 VMAIN 39 Ground 40 VMAIN Table 12 P3 Expansion Connector 3 Pinout 7 5 CSB536FS TOPSIDE CONNECTORS LED S AND SWITCHES The following diagram shows the location of the connectors LED s and Switches on the CSB536FS CPU Module PAGE 23 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 8 CSB935FS BREAKOUT BOARD CONNECTORS LED S AND SWITCHES 8 1 OVERVIEW This section provides the locations and pinouts of the various connectors on the i MXL LiteKit CPU Module 8 2 CSB935FS CONNECTORS LED S AND SWITCHES TOPSIDE The following diagram shows the location of the Connectors LED s and Switches on the CSB935FS topside Reset Switch X D Power On LED IIIIIIIIIIIIIIIII e e e m IIIIIIIIIIIIIII TT a Expansion eo 5 Connector P3 shee T 22 80199 lo WES Audio Line 29
14. 8 lt Headphone Out 5 90 a 5 Audio 5 e i 35 2 a Microphone In E c _ C E LI E 18 BM B Ex 3 2 Audio Line In LL SE gS d HN E ss 9 LL mo Ethernet Activity LED 10Mbit Ethernet m mn In Debug Serial Lill L veven IIIII PD e ecce o mo L e 9 USB USB Device Host Ethernet not used Link LED PAGE 24 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 8 3 CSB935FS CONNECTORS LED S AND SWITCHES BACKSIDE The following diagram shows the location of the Connectors LED s and Switches on the CSB935FS backside 3 5 240x320 LCD M01109 I2C LED 0 I2C LED 1 12C LED 2 12 LED 3 JE MI 5 n 8240 1 9 5 2440 EB EE 29 EE zz ns 5 9 og as of m e CSBO35FS CSB535FS S36F BREAKOUT DESIGN AND MFG BY 0 2005 FREESCALE SEMICONDUCTOR INC COGENT COMPUTER SYSTEMS INC PAGE 25 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 9 MICROMONITOR 9 1 INTRODUCTION TO MICROMONITOR The i MXL LiteKit is delivered standard with the Micromonitor boot monitor i
15. 9 Expansion Connector Mating Height Table Table 10 P1 Expansion Connector 1 Pinout n Table 11 P2 Expansion Connector 2 Pino eee heiter erre eter rrr edia eiad ENEI EENE neret rere nere tea kt Erit HER ERN Table 12 P3 Expansion Connector 3 PIDOUL e ERE Cree SE la PESE PAGE 2 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 1 WARRANTY The enclosed product the Product a part of the Cogent Modular Architecture or Cogent Single Board series is warranted by Cogent Computer Systems Inc Cogent for a period of six months for reasonable development testing and use all as further described and defined below This warranty runs solely to the individual or entity purchasing the Product and is not transferable or assignable in any respect This warranty is valid only for so long as the product is used intact as shipped from Cogent Any attempt or effort to alter the Product including but not limited to any attempt to solder desolder unplug replace add or affix any part or component of or onto the Product other than components specifically intended for the user to plug and unplug into appropriate sockets and or connectors to facilitate user programming and development all as specifically described and authorized in the Cogent Customer Product Users Manual shall void this warranty in all respects Coverage under this warranty requires that the
16. B536FS Expansion Connectors 2 18 7 4 CSB536FS Expansion Connector Pinouts 19 7 5 CSB536FS Topside Connectors LED s and Switches 23 8 CSB935FS Breakout Board Connectors LED s and Switches 24 8 1 24 8 2 CSB935FS Connectors LED s and Switches Topside 24 8 3 CSB935FS Connectors LED s and Switches Backside 525 Q MICOMONIO 0 6 26 9 1 Introduction to Micromonitor 26 9 2 Micromonitor Software Memory Map 26 9 3 Connecting to Micromonitor 26 9 4 Micromonitor used 9 5 Getting More Information about Micromonitor 27 5 oe ead OP Soc FR Ec Ed Ee 28 List of Tables Table 1 CSB536FS Address Map Table 2 MC9328MXL Chip Select Assignments Table 3 MC9328MXL GPIO Port A Pin Assignments Table 4 MC9328MXL GPIO Port B Pin Assignments Table 5 MC9328MXL GPIO Port C Pin Assignments Table 6 MC9328MXL GPIO Port D Pin Assignments Table 7 CSB536FS CSB925 Interrupt Pin nennen 13 Table 8 Compact Flash GPIO Assignments Table
17. EXPANSION 7 E EXPANSION pieces CONNECTOR CONNECTOR RI 1 6125 TT TTT 1 6250 1 750 1 7500 S mn Lu w un c I cn S8 5 8 7 3 CSB536FS EXPANSION CONNECTORS P1 and P2 are 80 Pin low profile SMT connectors Hirose part number DF17 3 0 80DS 0 5V is 40 Pin low profile SMT connector Hirose part number DF17 3 0 40DS 0 5V There are two mating connector heights that can be placed on the target board They result in the following board to board and overall heights the CSB935FS uses the 4 0 PAGE 18 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 Mating Connector Board Board Overall Component xx 40 or 80 Height Height Clearance DF17 2 0 xxDP 0 5V 5 0mm 9 0mm 1 0mm DF17 4 0 xxDP 0 5V 7 0mm 11 0mm 3 0mm Table 9 Expansion Connector Mating Height Table The orientation of the Target board connectors is shown in the following drawing The V in the silkscreen indicates Pin 1 80 Pin size is shown 7 4 CSB536FS EXPANSION CONNECTOR PINOUTS The following tables describe the pinouts of the four expansion connectors The signal name shown is the MC9328MXL signal name unless otherwise indicated Expansion Connector P1 Pin Signal Pin Signal 1 Ground 2 Ground 3 Ground 4 Ground 5 Ground 6 Ground 7 Ground 8 Ground 9 USB D 10 11 USB D 12
18. XL UARTS 4 6 MC9328MXL SPI CONTROLLER The MC9328MXL provides a high speed Serial Peripheral Interface SPI controller This port is used to interface with the ADS7846E Touch Controller Refer to the MC9328MXL Users Manual for detailed programming information 4 7 MC9328MXL I2C INTERFACE The MC9328MXL has a full speed 100Khz 400Khz master slave I2C Serial Controller The controller is fully compatible with the industry standard I2C and SMBus Interfaces For simplicity the I2C pins may also be programmed as GPIO PA15 SDA PA16 SCL This allows simple Bit Banging control of I2C peripherals without setting up the MC9328MXL I2C Controller 4 8 MC9328MXL 4 BIT SD MMC CONTROLLER The MC9328MXL has a high speed 4 Bit Secure Digital SD MMC controller This controller can interface with MMC SD and SDIO Cards with minimal host intervention The internal MC9328MXL DMA controller can be used to transfer data between the SD MMC Socket on the i MXL LiteKit and system memory for very high data rates The PAGE 13 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 SD MMC clock can be programmed up to 20Mhz On the i MXL LiteKit two GPIO s are used to indicate SD Card Detect GPIO PB16 0 card inserted and SD Write Protect GPIO PB15 0 Write Protected Additionally GPIO PB14 controls power to the socket When 1 power is driven to the SD MMC socket A 0 disables the socket Refer to the MC9328MXL Users Man
19. egarding the major components of the i MXL LiteKit In all cases you should contact the manufacturer for the latest documentation including errata regarding these components 1 Freescale MC9328MXL i MX Integrated Portable System Processor Reference Manual MC9328MXLRM D Rev 3 0 12 2003 3V Intel StrataFLASH Memory Datasheet Order 290667 006 3 Cirrus Logic CS8900a Product Data Sheet Order Number DS271PP3 4 Wolfson Microelectronics WM8731 WM8731L Portable Internet Audio Codec with Headphone Driver and Programmable Sample Rates Product Data Sheet April 2004 Rev 3 4 5 Texas Instruments ADS7846E Touch Screen Controller Datasheet SBAS125G June 2003 PAGE 4 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 3 ON BOARD DEVICES 3 1 CSB536FS ADDRESS The following table describes the Address Map of the i MXL LiteKit Refer to the MC9328MXL documentation for information regarding on chip peripheral addressing Wait Address Address Description States Start End N A 0x0800 0000 OxOBFF FFFF 64Mbyte SDRAM 10 0 1000 0000 0x11FF FFFF 8 StrataFlash DTACK 0x2000 0000 0x21FF FFFF CS8900a Ethernet Controller ES Pin assigned to SDCSO Not Available Eoo E Not Available 8 0x1400 0000 0x17FF FFFF Compact Flash Socket via CPLD Table 1 CSB536FS Address 3 2 8 16 32 STRATAFLASH The i MXL LiteKit uses an In
20. gramming information 4 11 TFT LCD CONTROLLER The MC9328MXL contains a built in LCD controller On the LiteKit this is connected to the 3 5 240x320 LCD It is beyond the scope of this document to provide complete programming information Please refer to the Micromonitor source code for an example of how to initialize and setup the LCD controller for the 3 5 LCD Refer to PAGE 14 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 the MC9328MXL Users Manual for more detailed information There are 3 GPIO s used in the interface to the 3 5 or other LCD GPIO PA2 is used as the backlight control A 1 will enable the LED backlight contained in the LCD while a will shut it off Note that the alternate function of GPIO PA2 is PWMO Pulse Width Modulator O This allows the LED backlight intensity to be varied from full on to full off GPIO PD11 controls the auxiliary voltages 12V and 6 5V if any Again a one will enable them while a will turn them off The control for the auxiliary voltages is separate from the main voltages due the power sequencing requirement of the LCD panel Again refer to the Micromonitor source code for an example of this PAGE 15 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 5 POWER AND JTAG 5 I OVERVIEW The i MXL LiteKit has a high efficiency 3 3V switching regulator located on the CPU Module CSB5365FS Additionally the module can be p
21. m m ALWAYS COMPLETE _ 8 B Cogent i MXL LiteKit for Freescale MC9328MXL Hardware Reference Manual C 2005 Cogent Computer Systems Inc Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 Table of Contents 2 Overview 2 1 Introduction 2 2 Reference Documents MMM rare e EE un harpun RADO 4 q Omboard dJjeviC8S 4 553 5 2 08 das sa MNT ARR SNR RUNS 5 3 1 GSB536FS Address 5 3 2 8 16 32Mbyte STRATAFLASH 0 C 5 _______ lt 3 lt _ _ _ _ _ _ 5 3 4 Cirrus Logic CS8900a Ethernet Controller c cccccccccccccceceeeeeeceeeeeeeeeeeeeaeeeeceaeeecceaeeeseaeeeseeaeeeseaaeessaeeeseaeesseaeesseaeeesseaeeeseaeees 5 3 5 ADS7846E 4 Wire Touch 6 3 6 Wolfson Microelectronics WM8731 125 Codec 0 cccccccceceeeeeeeeeeeeeeeeeeeeeaeeeeceaeeeceeaeeseaeeeecaeeeseeeeeesaeeeseaeeeseeeesseaeeseeeaeeeseaeees 6 3 7 GPIO LED SWitCheS 3332323 233 22 2 22 2 2 2 2 3 _ _ _ 6 3 612 LED S and Switches
22. n FLASH Micromonitor was developed and is maintained by Ed Sutter of Lucent Technologies Micromonitor is an open source product and may be copied modified and re used without restriction However neither Cogent nor Lucent is liable for any problems that may arise during the use of Micromonitor including its use with this board 9 2 MICROMONITOR SOFTWARE MEMORY MAP The memory usage by Micromonitor is shown in the following block diagram OxFFFF FFFF 0x1400 0000 TFS Spare Sectors 4 63 8Mbyte 0x1008 0000 FLASH Micromonitor Sectors 0 3 0x1000 0000 0x0A00 0000 Application RAM 64Mbyte 0x0820 0000 SDRAM 0000 ESS and Reserved Note All addresses shown are physical addresses 9 3 CONNECTING TO MICROMONITOR As delivered from Cogent Micromonitor is configured to use the Debug UART MC9328MXL UART 1 The default connection is 38 400 baud 8 N 1 with no handshaking A null modem cable is provided with the i MXL LiteKit that will connect PAGE 26 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 the CSB536FS to another DTE port such as found on a PC Micromonitor also uses the Ethernet port to listen for connections via UDP 9 4 MICROMONITOR COMMANDS Micromonitor supports a wide variety of commands that allow the user to modify and or read memory download programs from Ethernet Serial or on board Flash File System TFS and many others Refer to the Micromonitor Users Manual for a c
23. omplete listing Note that not all commands are available on all targets Type the following command assuming you are connected using a standard terminal program at the Micromonitor command prompt to get a list of the commands currently enabled on your target umon help The terminal window will then display the commands installed on your target Additional help for each command can be displayed by typing help xxx where xxx is the specific command you are seeking help on You can also type the following to get information regarding the build date memory usage default application load address APPRAMBASE and other useful information regarding Micromonitor as installed on your i MXL LiteKit uMon mstat 9 5 GETTING MORE INFORMATION ABOUT MICROMONITOR Micromonitor reference information and a more advanced Micromonitor training guide are available from Microcross Inc www microcross com PAGE 27 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 10 I MXL LITEKIT SCHEMATICS PAGE 28
24. owered in stand alone mode via the USBDemon connector on the CPU Module 5 2 3 3V SWITCHING REGULATOR On board the CSB536FS is high efficiency 90 high power switching regulator It is designed to accept a wide input voltage range of 5V to 15V It produces 4 5 Amps of current of which a minimum of 3 Amps is available to the CSB935FS breakout board 3 3V Regulator Notes 1 The optimal input voltage range for the regulator is 12V 2V which achieves an efficiency of 9096 Otherwise the efficiency drops to approximately 80 2 When powered in stand alone mode from the USBDemon connector the regulator is provided with 5V 1096 In this mode the maximum output current is limited by the input power of 2 4W x 80 3 3V 9 580ma 3 Power in stand alone or in LiteKit mode is provided via the 1 3mm power jack on the CPU Module Input voltage should be limited to 5V to 15V Although the input can be unregulated it must be DC 4 The USBDemon circuitry uses a low drop out LDO regulator to power from the input voltage The current draw is 50ma At the maximum voltage 15V the LDO dissipates 500mw which is it s maximum 5 3 MACRAIGOR USBDEMON On board the CPU Module is the Macraigor USBDemon JTAG interface A USB Mini B type connector is used to interface the USBDemon to the Host computer Refer to the USBDemon Users Manual for detailed information on using the USBDemon JTAG interface Note that the i MXL LiteKit
25. tel StrataFlash 28F640 device or equivalent for boot memory CSO must be set to 16 bits width this is the default on reset using hardware strapping and 10 wait states the default is 64 wait states after reset 3 3 64MBYTE SDRAM The i MXL LiteKit uses two 16Mx16 PC100 or faster SDRAM devices for system memory The specifications of these devices provides for 100Mhz operation The maximum setting is 99 5Mhz allowing CAS Latency 2 and RAS to CAS 2 modes to be set Refer to the MC9328MXL User Manual for more information on programming the SDRAM Memory Controller Note that the default bus clock and the only supported setting is 46Mhz set by the boot monitor 3 4 CIRRUS LOGIC CS8900A ETHERNET CONTROLLER The i MXL LiteKit uses the CS8900a to provide a 10Mbit Ethernet Interface This device is mapped to CPU Chip Select 1 In addition the interrupt output of the CS8900a is connected to CPU GPIO PB17 PAGE 5 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 CS8900a Interface Notes 1 The CS8900a is connected to CS2 as a 16 bit wide device with 10 wait states minimum and DTACK enabled 2 GPIO PB17 is connected to the CS8900a Interrupt output 0 IRQO The CS8900a Interrupt is a low true level output 3 5 ADS7846E 4 WIRE TOUCH CONTROLLER The ADS7846E provides the i MXL LiteKit with a 4 wire Touch Screen interface The CPU communicates with the ADS7846E via the standard SPI bus ADS7846E Interface Notes
26. ual for detailed programming information on the SD MMC Controller 4 9 MC9328MXL COMPACT FLASH The MC9328MXL supports the Compact Flash using a CPLD to generate the proper timing signals On the i MXL LiteKit several GPIO s are used to support the Compact Flash They are shown in the following table GPIO Source Notes PD9 CSB925 CF RDY BSY Polarity depends upon the mode the Compact Flash card is in PD10 CSB925 CF Power Enable 120n PD7 CSB925 CF Card Detect 0 Card Present PD8 CSB925 CF Reset High True Table 8 Compact Flash GPIO Assignments 4 10 MC9328MXL USB DEVICE PORT The MC9328MXL has a single USB1 1 compliant Device Port An on board USB Transceiver provides the physical interface In addition two GPIO s are used for host notification and host detect GPIO PC10 drives the USB D line via a 1 5K ohm resistor When the USB device port is connected to a USB host software can indicate to the host that a device is present by driving GPIO Port C10 high This indicates to the host both the presence of a USB device and that the device is 12Mbit capable This also allows the MC9328MXL USB Device software to delay recognition by the Host until it is ready Also GPIO PC9 goes high when the USB device port is connected to and powered from a USB Host This allows the USB device software to recognize when it is actually connected to a host Refer to the MC9328MXL Users Manual for detailed pro
27. vailable PA11 Not available PA12 Not available PA13 Not available PA14 Not available PA15 I O SDA I2C Data PA16 I O SCL I2C Clock PA17 In DTACK Used by CS8900a and Compact Flash PA18 Not available PA19 Not available PA20 Not available PA21 Out Used as CPU 0 PA22 Not available PA23 Out CS5 Chip Select for Compact Flash Table 3 MC9328MXL GPIO Port A Pin Assignments GPIO Port B Bit DIR Usage Alternate Functions Notes PB8 IC SD DO SD MMC Interface Data Bit 0 PB9 IC SD D1 SD MMC Interface Data Bit 1 PAGE 9 Cogent i MXL LiteKit Hardware Reference Manual Rev 1 0 1 16 2006 GPIO Port B Bit DIR Usage Alternate Functions Notes PB10 IC SD D2 SD MMC Interface Data Bit 2 PB11 IC SD D3 SD MMC Interface Data Bit 3 PB12 Out SD CMD SD MMC Interface Command Bit PB13 Out SD CLK SD MMC Interface Clock Bit PB14 Out SD VEN SD MMC Power Enable 1 on PB15 In SD WP SD MMC Write Protect 0 Protected PB16 In SD CD SD MMC Card Detect 0 Card Present PB17 In E INT CS8900a Interrupt 0 active PB18 In PIRQ ADS7846E Touch Controller Interrupt 0 active PB19 In 12 INT 9554 GPIO Expander Interrupt 0 active PB20 Not available PB21 Out USBD OE Transmit Output Enable to USB Transceiver PB22 Not available PB23 Out USB SUSP Suspend to USB Transceiver PB24 Out USB VP USB Receive from USB Transceiver

COGENT - Farnell

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