Product Manual
Contents
1. J2 J3 J4 J5 J6 3 12 8 1 2 3 2 4 6 8 1012 123 20 emo i o i GO 1o 1357911 GRAY JUMPER BLOCKS ARE DON T CARE J9 DTE J9 DCE J10 J11 J12 126 1 12 11 3o 3o 120 o 11 10 9 10 Go 9 20 20 100 o9 SR t 8 Gum 7 10 1o 80 07 6 5 6 5 60 05 U 4 Quam 40 03 2 1 2 Gum 1 20 01 TX DATA RX 01001 First Signal shown is for DTE configuration RX DATA TX DATA N C RTS CTS RECEIVER CLOCK These are optional signals typically used for CTS RTS synchronous protocols only Refer to Later DSR DTR C section for clock routing Label in parenthesis is the DCE signal name 5 There is no DSR input to the 85230 The Carrier Detect DSR input pin is routed to the Carrier detect Pin N C on the 85230 meaning that assertion on either DSR or Carrier detect will result in a carrier detect presence at the 85230 If this is not N C TRANSMIT CLOCK desired remove the J9 jumper that attaches to N C N C pin 10 on J9 N C N C Requires the installation of 75176 driver ICs in locations U3 and U4 The RTS line must be asserted in order to enable the transmitter User installable termination resistor locations are present on the board at R7 through R12 Refer to the schematic diagrams for specific resistor locations 45V and ground are also available on the I O connector in order2. Requires installation of 75176 driver ICs in locations U1 and U2 The RTS line must be asserted in order to enable the transmitter User installable termination resistor locations are present on the board at R1 through R6 Refer to the schematic diagrams for specific resistor locations 5V and ground are also available on the I O connector in order to allow termination of the cable itself First Signal shown is for DTE configuration Label in parenthesis is the DCE signal name These are optional signals typically used for synchronous protocols only Refer to Later section for clock routing There is no DSR input to the 85230 The DSR input pin is routed to the Carrier detect Pin on the 85230 meaning that assertion on either DSR or Carrier detect will result in a carrier detect presence at the 85230 If this is not desired remove the J12 jumper that attaches to pin 3 on J12 Page 2 7 WinSystems The Embedded Systems Authority 2 4 5 Mode 5 Channel A RS 422 Channel B RS 422 This mode sets both the A channel at J 1 and the B channel at J 7 to RS 422 J2 J3 J4 J5 ii d 123 123 2 4 6 8 1012 123 o o M if tegeg e GRAY JUMPER BLOCKS ARE DON T 3 5 7 9 11 J10 J11 J12 30 120 oii oa 20 20 100 09 p 1o 1o 80 07 60 05 60 05 40 03 in 03 20 20 01 Require
3. grid RN type IDH 10 LP for RS 422 RS 485 Jumpers 0 025 square posts on 0 10 centers 1 3 3 Environmental Operating Temperature 40 to 85 Non Condensing relative humidity 596 to 9596 Page 1 2 OPERATIONS MANUAL PCM ESCC 990412 PCM ESCC Technical Reference 2 1 Introduction This section of the manual is intended to provide the necessary information for the configuration of the PCM E SCC moduletothe desired mode of operation The PCM E SCC utilizes the very versatile but somewhat complex Zilog 85230 ESCC The full text of the Zilog SCC user s manual pertaining to the 85230 is reprinted in Appendix C and should be referred to for register and programming details WinSystems maintains a technical support group to assist in the configuration and usage of this product Questions not adequately covered in this manual can be addressed to thetechnical support department at 817 274 7553 between the hours of and 5PM Central Time Alternately assistance can be requested via FAX at 817 548 1358 2 2 1 O Address Selection wowed or m RM if J5 A i 5 5 Base I O Address Select 1357 911 Jumper J13 923 4 02 1182 u 42 1 1 01 2 3 825 p 4 C3 og Made n PCM ESCC Rev C SEE
4. n an attempt tosimplify thetask thefollowing pages will document the proper jumpering for the 9 most commonly used configurations of RS 232 RS 422 and RS 485 Reference to the PCM ESCC schematic diagrams in Appendix D can be very helpful in understanding the usage and possible combinations for the serial configuration jumpers Mode Number Channel A Channel B 1 RS 232 RS 232 2 RS 232 RS 422 3 RS 232 RS 485 4 RS 422 RS 232 5 RS 422 RS 422 6 RS 422 RS 485 7 RS 485 RS 232 8 RS 485 RS 422 9 RS 485 RS 485 Page 2 2 OPERATIONS MANUAL PCM ESCC 990412 WinSystems The Embedded Systems Authority A OC Or One ET icf a 24681012 X ORO C R11 R12 J7 eG UT EUM c 2 015 1557 911 U2 C7 A RP2 A 15 ule U7 J15 C16 16 r J12 C11 P3 15 0 0N J14 417 C19 SERIAL CONFIGURATION JUMPERS Choose a mode number that most closely matches the desired usage and jumper according to that section Variations for synchronous support or DMA use will be addressed in a later section 990412 OPERATIONS MANUAL PCM ESCC Page
5. 1 ij 12 11 10 Gummo 9 8 7 First Signal shown is for DTE configuration Label in parenthesis is the DCE signal name These are optional signals typically used for synchronous protocols only Refer to Later section for clock routing There is no DSR input to the 85230 The DSR input pin is routed to the Carrier detect Pin on the 85230 meaning that assertion on either DSR or Carrier detect will result in a carrier detect presence at the 85230 If this is not desired remove the J9 jumper that attaches to pin 10 on J9 First Signal shown is for DTE configuration Label in parenthesis is the DCE signal name These are optional signals typically used for synchronous protocols only Refer to Later section for clock routing There is no DSR input to the 85230 The DSR input pin is routed to the Carrier detect Pin on the 85230 meaning that assertion on either DSR or Carrier detect will result in a carrier detect presence at the 85230 If this is not desired remove the J12 jumper that attaches to pin 3 on J12 990412 WinSystems The Embedded Systems Authority 2 4 2 2 Channel A RS 232 Channel B RS 422 In mode 2 channel A is configured for RS 232 and is terminated at J 8 Channel B is configured as 4 wire RS 422 and is terminated at the 10 pin connector J 7 The jumpering for this mode is shown below
6. 5 13579 1113 11 3 N 7 2 N d J111 Me es 4 eis 019 5 cis A J16 0 NUM 2 4 6 8 1012 14 16 SEA 20 00000000 B re un TE 00000000 1 35 7 9111315 E J17 C19 t A o J18 PE FP om 2 7 Interrupt Routing The 85230 interrupt can be routed to any free PC 104 Bus interrupt using 16 If the optional PCM ESCC 16 board is used there are additional interrupt choices available by selecting via J 15 J 15 also provides support for interrupt sharing The diagrams below detail the interrupt routing and sharing jumpers J16 J15 10 02 IRQi0 10 o2 3004 IRQ11 30 04 IRQ7 5006 IRO12 5006 IRQ6 7008 17015 7008 IRQ5 90 10 IRQ14 9 o o 10 IRQ4 110 o 12 110 o 12 IRQ3 130 o 14 130 o 14 IRQ2 150 o 16 The PCM ESCC is also capable of sharing a bus interrupt with another PCM ESCC module or another PC 104 module supporting interrupt sharing Either the base CPU board or one of the modules sharing the interrupt must terminate the interrupt with a pulldown resistor WinSystems CPU boards do NOT provide this pulldown so it must be enabled at the P C 104 module T o enable interrupt sharing remove the factory installed jumper at 15 pins 13 14 and placeit on J 15 pins 11 12 For non shared interrupts a jumper should always be in place at J 15 pins 13 14 The pulldown resistor is connected by jumpering J 15 pins 11 12 990412 OPERATIONS MANUAL PCM ESCC Page 2 15 2 8 PC 10
7. and U2 The RTS line must be asserted in order to enable the transmitter User installable termination resistor locations are present on the board at R1 through R6 Refer to the schematic diagrams for specific resistor locations 5V and ground are also available on the I O connector in order to allow termination of the cable itself Requires the installation of 75176 driver IC in location U4 The RTS line must be asserted for transmit and disasserted for receive Resistor locations R10 through R12 are provided on the board for user installable termination resistors 5V and ground are also available on the I O connector to allow termination of the cable itself 990412 OPERATIONS MANUAL PCM ESCC Page 2 9 WinSystems The Embedded Systems Authority 2 4 7 Mode 7 Channel A RS 485 Channel B RS 232 Mode number 7 sets channel A as RS 485 terminated at J 1 Channel B is configured for either DTE or DCE and is terminated at J 14 J2 J3 J4 J5 m 123 1 2 3 2 4 6 8 1012 123 24 i 1 aus B GRAY JUMPER BLOCKS ARE DONT CARE 1 395791 ii J10 J11 J12 DTE J12 DCE 120 011 30 3o 2g i 12 11 100 99 20 29 10 9 D 80 07 10 10 5t i Fe 60 05 6 5 40 03 T i 4 3 Requires the installation of 75176 driver IC in location U2 The RTS line must be assert
8. channel multi protocol data communications controller based upon the Zilog 85230 ESCC The module can be configured to satisfy a wide variety of serial communications application needs Each channel is independent and capable of synchronous or asynchronous data communications with either RS 232 or optional RS 422 RS 485 electrical levels In synchronous mode the ESCC can support BISYNC SDLC and HDLC including CRC generation sync character insertion deletion and many other protocol dependent features Each channel is configurable as Data Terminal Equipment DTE or Data Communications Equipment DCE The onboard 85230 in addition to it s asynchronous and synchronous protocol capabilities also sports a 4 byte transmit FIFO and an 8 byte receive FIFO both of which have programmable interrupt or DMA request levels 990412 OPERATIONS MANUAL PCM ESCC Page 1 1 WinSystems The Embedded Systems Authority 1 3 SPECIFICATIONS 1 3 1 Electrical Bus Interface PC 104 8 Bit Optional 16 Bit connector allows access to higher number interrupts VCC 5V 5 140 mA l O Addressing X Uses 4 consecutive I O addresses the base of which is jumper selectable from OOOH to 3FFH 1 3 2 Mechanical Dimensions 3 6 X 3 8 X 0 6 inches PC Board FR4 Epoxy Glass with 2 signal layers and 2 power planes with screened component legend and plated through holes Connectors 26 Pin 0 10 grid RN type IDH 26 LP for async sync 10 Pin 0 10
9. to allow termination of the cable itself 990412 OPERATIONS MANUAL PCM ESCC Page 2 5 WinSystems The Embedded Systems Authority 2 4 3 Mode 3 Channel A RS 232 Channel B RS 485 Mode 3 sets the A channel as conventional RS 232 in either a DTE or DCE configuration terminated at J 8 Channel B is configuredfor RS 485 multi drop terminated at 7 TheRTS line on channel B controls the transmit receive function J2 J3 J4 J5 J6 30 123 12 3 2 4 6 8 1012 123 20 om 000 i j GO 1o 000 i 1357911 GRAY JUMPER BLOCKS ARE DON T CARE J9 DTE J9 DCE J10 J11 J12 EL 12 Gummo 11 3o 3o 120 o 11 10 9 10 9 20 20 100 o9 8 7 8 Gum 7 1o 10 80 07 6 5 4 3 2 1 TX DATA RX DATA RX DATA TX DATA RTS CTS CTS RTS DSR DTR GND Page 2 6 Carrier Detect N C N C N C N C N C TRANSMIT CLOCK N C RECEIVER CLOCK N C DSR C TRANSMIT CLOCK N C N C OPERATIONS MANUAL PCM ESCC First Signal shown is for DTE configuration Label in parenthesis is the DCE signal name These are optional signals typically used for synchronous protocols only Refer to Later section for clock routing There is no DSR input to the 85230 The DSR input pin is routed to the Carrier detect Pin on the 85230 meaning that assertion on either D
10. 0 011 100 99 20 20 100 o9 I ee 1o 1o 80 07 60 05 60 05 40 03 4e 52 20 ol 20 ol Requires installation of 75176 driver IC in location U2 The RTS line must be asserted for transmit and disasserted for receive Resistor locations R4 through R6 are provided on the board for user installable termination resistors 5 and ground are also available on the I O connector to allow termination of the cable itself Requires installation of 75176 driver ICs in locations U3 and U4 The RTS line must be asserted in order to enable the transmitter User installable termination resistor locations are present on the board at R7 through R12 Refer to the schematic diagrams for specific resistor locations 5V and ground are also available on the I O connector in order to allow termination of the cable itself 990412 OPERATIONS MANUAL PCM ESCC Page 2 11 WinSystems The Embedded Systems Authority 2 4 9 Mode 9 Channel A RS 485 Channel B RS 485 In mode 9 both channels A and B are set for RS 485 and terminated at J 1 and J 7 respectively J2 J3 J4 J5 ds 0 123 123 2 4 6 8 1012 123 Qu 0 O o 1 02002 GRAY JUMPER BLOCKS AREDONTCARE 3 57 911 oe J10 J11 J12 120 011 30 30 120 o11 100 o9 20 20 100 o9 80 07 1o 10 80 07 60 05 65 40 03 de n3 20 o1 20 Requires installation of 7517
11. 2 3 2 4 1 WinSystems The Embedded Systems Authority Mode 1 Channel A RS232 Channel B RS232 In this mode both channels are used with RS 232 Line levels E ach channel can also be configured as a DTE or DCE device The jumpering for this mode is shown below The Winsystems cableassembly CBL 101 3 will terminatea channel in a male DB 25 connector and the CBL 102 3 will terminate a channel in a female DB 25 connector J2 J3 J4 30 123 123 20 om 10 GRAY JUMPER BLOCKS ARE DON T CARE J9 DTE J9 DCE J10 J11 120 ij 12 Gummo 11 30 30 10 Guo 20 20 8 Gum 7 10 10 TX DATA RX DATA RX DATA TX DATA TX DATA RX DATA RX DATA TX DATA Page 2 4 NE CTS CTS RTS DSR DTR GND Carrier Detect N C N C N C N C N C N C TRANSMIT CLOCK N C RECEIVER CLOCK DSR C TRANSMIT CLOCK N C N C GND DIS CTS CTS RTS DSR DTR GND Carrier Detect N C N C N C N C N C 1 71 _ N C N C N C RECEIVER CLOCK N C N C DTR DSR N C N C N C TRANSMIT CLOCK N C N C OPERATIONS MANUAL PCM ESCC J5 J6 2 4 6 8 1012 123 1357911 J12 DTE J12 DCE
12. 3 4 0000 2 5 DMA Configuration The PCM ESCC and the Zilog 85230 can be configured for DMA data transfers using DMA channels 1 and on the P C 104 bus Thejumper block at J 19 and thetop two pins of J 16 are used to configurethe DMA channel routing Refer tothereprint of theE SCC user s manual for programming details The supported DMA options are shown below J16 J16 pod rires DL enera 8 123 4 012422223 1234 13579111315 0000 1357 9 111315 omo DMA DISABLED Channel A RX DMA DRQ1 Channel A TX DMA DRQ3 J16 J16 2 4 6 8 10121416 J19 2 4 6 8 10121416 J19 123 4 12 3 4 1357 9 111315 1357 9 111315 oo Channel A TX RX DMA DRQ1 Caen MA DEO Channel B TX RX DMA 990412 OPERATIONS MANUAL PCM ESCC Page 2 13 WinSystems The Embedded Systems Authority 2 6 Synchronous Mode Options J2 OC Or OR a j Rig 246 81012 37 J4 20 1 20 1o Q0 23 4 TE uz 62 u4 321 99 2 SR lt aa 99 8 Copyright 1994 WinSystems US c9 Made USA PCM ESCC Rev C
13. 4 Bus Connectors WinSystems The Embedded Systems Authority The 8 bit PC 104 connector J 17 and the 16 Bit P C 104 connector J 18 are both shown here IOCHK SD6 SD5 504 503 501 SDO IOCHRDY Page 2 16 AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA6 SA5 SA4 SA3 SA1 SAO GND J17 gt GND RESET 45V IRQ2 DRQ2 12V OWS 12 GND SMEMW SMEMR IOW IOR DACK3 DRQ3 DACK1 DRQ1 DACKO CLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2 T C BALE 5V OSC GND GND GND MEMCS16 190516 IRQ10 IRQ1 1 IRQ12 IRQ15 IRQ14 DACKO DRQO DACK5 DRQ5 DACK6 DRQ6 DACK7 DRQ7 5V MASTER GND GND OPERATIONS MANUAL PCM ESCC c a4 O 23 22 21 20 19 18 17 MEMR MEMW SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 KEY 990412 2 9 Connector Jumper 990412 WinSystems The Embedded Systems Authority Connector J umper Summary Description CH A RS 422 RS 485 I O connector CH A Clock RX Data Select Jumper CH A RX source select jumper CH A Clock TX Data Select Jumper CHA CHB Mode Select Jumper CH B RX Data select jumper CH B RS 422 RS 485 I O Connector CH A RS 232 I O Connector CH A DTE DCE config
14. 6 driver IC in location U2 The RTS line must be asserted for transmit and disasserted for receive Resistor locations R4 through R6 are provided on the board for user installable termination resistors 5 and ground are also available on the I O connector to allow termination of the cable itself Requires installation of 75176 driver IC in location U4 The RTS line must be asserted for transmit and disasserted for receive Resistor locations R10 through R12 are provided on the board for user installable termination resistors 5V and ground are also available on the I O connector to allow termination of the cable itself Page 2 12 OPERATIONS MANUAL PCM ESCC 990412 WinSystems The Embedded Systems Authority Qr OOD J1 u 24 ds 1012 T 5 J7 scs 57 me DMA Configuration jumpers 04 hu ds iu ao qw J19 and J16 Copyright ose WinSystems Us 4 C3 og 2 PCM ESCC Rev C R14 ET a 1 4 carea us Y1 5 _ 4 o tn s 16 Q 2 4 6 8 10121416 Wu 2 J 1 ACIS uie 5 00000000 o g MW 1357 9 111315 id J14 MT R J15 C18 2 16 Di m pe a 15 S J19 J17 C19 o 1 2
15. BILITY FOR ANY BREACH OF THIS AGREEMENT OR OTHER CLAIM RELATED TO ANY PRODUCTS SOFTWARE OR THE SUBJECT MATTER HEREOF SHALL NOT EXCEED THE PURCHASE PRICE OR LICENSE FEE PAID BY CUSTOMER TO WINSYSTEMS FOR THE PRODUCTS OR SOFTWARE OR PORTION THEREOF TO WHICH SUCH BREACH OR CLAIM PERTAINS WARRANTY SERVICE products returned to WinSystems must be assigned a Return Material Authorization RMA number To obtain this number please call or FAX WinSystems factory in Arlington Texas and provide the following information 1 Description and quantity of the product s to be returned including its serial number 2 Reason for the return 3 Invoice number and date of purchase if available and original purchase order number 4 Name address telephone and FAX number of the person making the request 5 Do not debit WinSystems for the repair WinSystems does not authorize debits After the RMA number is issued please return the products promptly Make sure the RMA number is visible on the outside of the shipping package The customer must send the product freight prepaid and insured The product must be enclosed in an anti static bag to protect it from damage caused by static electricity Each bag must be completely sealed Packing material must separate each unit returned and placed as a cushion between the unit s and the sides and top of the shipping container WinSystems is not responsible for any damage to the product due to inadequate packa
16. L 4 05322 C7 Ady UB 1 3 J13 1299 H E 160 o 15 A2 AU 140 13 7 120 11 4 5 a A 10009 5 anda 8007 A6 15 5 6005 AT J8 US NR J14 4 3 A8 C17 01616 15 2 1 9 2 16 01 R15 U11 A 1 00 J17 C19 a J18 m FP RV ThePCM ESCC uses 4 consecutivel O addresses beginning at the address specified by thejumpering of J 13 A jumper present matches a 0 in the address where a jumper absent matches a 1 in the address A sample jumpering for 1 0 address 230H is shown on the following page 990412 OPERATIONS MANUAL PCM ESCC Page 2 1 WinSystems The Embedded Systems Authority J13 16 em 15 2 14 13 120 11 A4 Sample I O Select 10009 A5 for 230H 7 AG 60m0 5 7 4 3 2001 AY 2 3 1 O Address assignment TheESCC uses 4 consecutive addresses which are defined below The BASE address is set via J 13 as defined earlier Refer to the SCC user s manual reprint in Appendix D for details regarding register and programming values BASE 0 Channel A Data Port BASE 1 Channel A Command Port BASE 2 Channel B Data Port BASE 3 Channel B Command Port 2 4 Serial Mode Selection The extreme versatility of the PCM ESCC and the 85230 presents an overwhelming challengein attemptingto document all of the possible modes and protocols
17. OPERATI ONS MANUAL PCM ESCC NOTE This manual has been designed and created for use as part of the WinSystems Technical Manuals CD and or the WinSystems website If this manual or any portion of the manual is downloaded copied or emailed the links to additional information i e software cable drawings will be inoperable WinSystems reserves the right to make changes in the circuitry and specifications at any time without notice Copyright 1994 by WinSystems All Rights Reserved WinSystems The Embedded Systems Authority REVISION HISTORY P N 403 0208 000 ECO Number Date Code Revision ORIGINATED 941202 B 95 08 950315 C 99 08 990412 C1 TABLE OF CONTENTS Section 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 Paragraph Title Visual Index Quick Reference General Information Features General Description Specifications PCM ESCC Technical Reference Introduction T O Address Selection Serial Mode Selection I O Address Assignment DMA Configuration Synchronous Mode Options Interrupt Routing PC 104 Bus Connectors Connector Jumper Summary APPENDIX Zilog ESCC User s Manual Reprint and Cable Drawings Warranty and Repair Information Page 2 1 2 1 2 2 2 2 2 13 2 14 2 15 2 16 2 17 Visual Index Quick Reference For the convenience of the user a copy of the Visual Index has been provided with direct links to connector and jumper configuration data J2 CH A PU lt 15 Clock RX Data Sel
18. R14 ve C4 A ARIS C6 A csRP2 J10 5 J11 3 20 10 M 775 cie 16 D ai Clock routing jumpers NER e 15 5 J2 J4 J10 J11 p J17 C19 o A J18 TA When programmed for synchronous modes it is often necessary to provide or recognize the Transmit Receive Clock s from to the I O device There are several routing jumpers available to provide maximum flexibility in clock routing The clock routing jumpers shown below RTXCA amp CH A J8 Pin 17 TRXCA CHA J8 Pin 24 3 CHA J8 Pin 15 12 om e 1 J41 CHB J14 Pin RTXCB 3 J1 Pin 6 J2 12 CHA J1 Pin 7 RXA2 TRXCB CHB J14 Pin 24 CHA J1 Pin 2 3 J4 2 4 CHA J1 Pin 3 TXDA Page 2 14 OPERATIONS MANUAL PCM ESCC 990412 WinSystems The Embedded Systems Authority 92 Or OR 88 a 101 u5 5 x Interrupt Select J 23 J4 62 Jumpers J15 J16 1 1 c1 1 3 400 0208 000 2 lt we Copyright 1994 WinSystems u5 c9 Voce fh USA PCM ESCC Rev C R14 Qc lt J15 HD E 2 4 6 8 10 12 14 Dow eum 0000000 5 1299
19. SR or Carrier detect will result in a carrier detect presence at the 85230 If this is not desired remove the J9 jumper that attaches to pin 10 on J9 Requires installation of 75176 driver IC in location U4 The RTS line must be asserted for transmit and disasserted for receive Resistor locations R10 through R12 are provided on the board for user installable termination resistors 5 and ground are also available on the I O connector 990412 WinSystems The Embedded Systems Authority 2 4 4 Mode 4 Channel A RS 422 Channel B RS 232 Mode number 4 sets up channel A as RS 422 at J 1 and Channel B as RS 232 at J 14 J2 J3 J4 J5 J6 3o 123 123 2 4 6 8 1012 123 ra em i i 1 i 1357911 GRAY JUMPER BLOCKS ARE DON T CARE J9 J10 J11 J12 DTE J12 DCE 120 o11 30 30 124 i5 12 11 100 o9 20 20 10 9 10 9 80 07 190 10 3 i 8 7 60 05 6 5 6 5 40 03 2 U 4 Gam 20 2 1 2 CH B 414 GND TX DATA RX DATA RX DATA TX DATA RTS CTS CTS RTS Carrier Detect N C N C N C N C N C 14 15 16 17 18 19 20 21 22 23 24 25 26 990412 OPERATIONS MANUAL PCM ESCC N C N C N C RECEIVER CLOCK N C N C DTR DSR N C N C N C TRANSMIT CLOCK N C N C
20. ection Clock TX Data Selection Channel A Channel B Jumper Mode Selection Jumper J7 CH B RS 422 RS 485 I O Connector J1 CH A RS 422 RS 485 j J6 CH B I O Connector n T RX Data Selection Jumper J3 CH A i2 3 RX Source Selection Tee win S stems Jumper Mage in USA POM ESGC Rev R14 J10 J11 A A Synchronous Clock cy Routing Selection J9 CH A DTE DCE Configuration J12 CH B Selection DTE DCE Configuration Selection J8 CH A RS 232 I O Connector J14 CH B RS 232 I O Connector J15 Interrupt DMA J13 Selection Jumper T O Address mi Selection Jumper J17 PC 104 8 bit Bus Connector J19 J18 J16 DMA Enable PC 104 16 bit Interrupt Routing Jumper Bus Connector Jumper OPERATIONS MANUAL PCM ESCC 990412 GENERAL INFORMATION 1 1 FEATURES Two independent full duplex serial channels Utilizes Zilog 85230 Enhanced Serial Communications Controller ESCC 4 byte transmit FIFO 8 byte receive FIFO Asynchronous and synchronous protocols RS 232 Interface and RS422 RS485 interface with optional driver chip kit s RS 232 configurable as DTE or DCE Jumper Selectable Interrupt routing 5 Volt only operation Supports DMA transfers for Transmit and or Receive Data 1 2 GENERAL DESCRIPTION The PCM ESCC is a PC 104 dual
21. ed for transmit and disasserted for receive Resistor locations R4 through R6 are provided on the board for user installable termination resistors 5V and ground are also available on the I O connector to allow termination of the cable itself CH B 414 GND oi4 N C TX DATA RX DATA 15 NC Lb n oce RX DATA TX DATA 16 RTS CTS o 17 RECEIVER CLOCK These are optional signals typically used for CTS RTS o18 Section for clack outing 5 DSR DTR 019 GND 2 DTR DSR There is no DSR input to the 85230 Th Carrier Detect e DSR routed to the Carrier detect Pin N C 922 N C on the 85230 meaning that assertion on either DSR or Carrier detect will result in a carrier N C 023 NC detect presence at the 85230 If this is not N C 24 CLOCK the J12 jumper that attaches to N C 025 NC pinson N C 026 Page 2 10 OPERATIONS MANUAL PCM ESCC 990412 WinSystems The Embedded Systems Authority 2 4 8 Mode 8 Channel A RS 485 Channel B RS 422 8 sets Channel A to terminate at J 1 for RS 485 it also sets channel B for RS 422 terminated at J 7 J2 J3 J4 J5 m 123 123 2 4 6 8 1012 123 Qu O O o o J 02020 GRAY JUMPER BLOCKS AREDONTCARE 3 5 7 911 ui J10 J11 J12 120 011 30 30 12
22. ging or static electricity
23. ny warranty of such manufacturer or developer held by WinSystems provided that the warranty if any may be assigned The sole obligation of WinSystems for any breach of warranty contained herein shall be at its option either 1 to repair or replace at its expense any materially defective Products or Software or ii to take back such Products and Software and refund the Customer the purchase price and any license fees paid for the same Customer shall pay all freight duty broker s fees insurance changes and other fees and charges for the return of any Products or Software to WinSystems under this warranty WinSystems shall pay freight and insurance charges for any repaired or replaced Products or Software thereafter delivered to Customer within the United States All fees and costs for shipment outside of the United States shall be paid by Customer The foregoing warranty shall not apply to any Products or Software which have been subject to abuse misuse vandalism accidents alteration neglect unauthorized repair or improper installations THERE ARE NO WARRANTIES BY WINSYSTEMS EXCEPT AS STATED HEREIN THERE ARE NO OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL WINSYSTEMS BE LIABLE FOR CONSEQUENTIAL INCIDENTAL OR SPECIAL DAMAGES INCLUDING BUT NOT LIMITED TO DAMAGES FOR LOSS OF DATA PROFITS OR GOODWILL WINSYSTEMS MAXIMUM LIA
24. s installation of 75176 driver ICs in locations U1 and U2 The RTS line must be asserted in order to enable the transmitter User installable termination resistor locations are present on the board at R1 through R6 Refer to the schematic diagrams for specific resistor locations 5V and ground are also available on the I O connector in order to allow termination of the cable itself Requires the installation of 75176 driver ICs in locations U3 and U4 The RTS line must be asserted in order to enable the transmitter User installable termination resistor locations are present on the board at R7 through R12 Refer to the schematic diagrams for specific resistor locations 5V and ground are also available on the I O connector in order to allow termination of the cable itself Page 2 8 OPERATIONS MANUAL PCM ESCC 990412 WinSystems The Embedded Systems Authority 2 4 6 Mode 6 Channel A RS 422 Channel B RS 485 Mode 6 sets channel A as RS 422 terminated at J 1 and sets Channel B as RS 485 terminated at J 7 J2 J3 J4 J5 gt 123 123 2 4 6 8 1012 123 Om t ib 2011 GRAY JUMPER BLOCKS AREDONTCARE 3 5 7 9 11 J10 J11 J12 120 3 120 100 09 20 20 10 9 80 07 1o 10 80 07 60 05 60 05 40 03 40 03 200 20 01 Requires installation of 75176 driver ICs in locations U1
25. uration select Synchronous Clock routing select Synchronous Clock routing select CH B DTE DCE configuration select I O Address Select jumper CH B RS 232 I O Connector Interrupt DMA Select jumper Interrupt routing jumper PC 104 8 Bit bus connector PC 104 16 Bit bus connector DMA Enable jumper Page Reference 2 7 2 3 2 3 2 3 2 3 2 3 2 5 2 4 2 3 2 3 2 3 2 3 2 1 2 4 2 15 2 15 2 16 2 16 2 13 OPERATIONS MANUAL PCM ESCC Page 2 17 APPENDIX A Zilog s ESCC User s Manual Reprint ESCC ZIP APPENDIX Zilog ESCC User s Manual Reprint Zilog s ESCC User s Manual Scc escc um pdf User Manual Errata scc up0026 pdf Cable Drawings Part Number Description CBL 101 3 26 pin ribbon to 25 pin male D connector adapter CBL 102 3 25 pin ribbon to 25 pin female D connector adapter _ STD Bug Peot SU WinSystems Telephone 817 274 7553 Fax 817 548 1358 http www winsystems com E mail info winsystems com WARRANTY WinSystems warrants that for a period of two 2 years from the date of shipment any Products and Software purchased or licensed hereunder which have been developed or manufactured by WinSystems shall be free of any material defects and shall perform substantially in accordance with WinSystems specifications therefore With respect to any Products or Software purchased or licensed hereunder which have been developed or manufactured by others WinSystems shall transfer and assign to Customer a
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