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Text File | 1998-06-10 | 20.5 KB | 794 lines

"The Atari A to Z" by Mark S Baines Copyright (c) 1998 Mark S Baines All Rights Reserved YOU MUST READ "READ_ME.NOW" BEFORE YOU LOOK AT ANY OF THIS FILE ***************************************************************************** Appendix C Connectors This is a list of all the Atari connector pinout specifications. Modem: ST, STE, Mega ST 25-pin male D See the entry for RS-232C and Table R1. 1 Protective Ground - GND 2 Transmit Data - TxD 3 Receive Data - RxD 4 Request To Send - RTS 5 Clear To Send - CTS 6 not connected 7 Signal Ground - GND 8 Data Carrier Repeat - DCR 9-19 not connected 20 Data Terminal Ready - DTR 21 not connected 22 Ring Indicator - RI 23-25 not connected Serial 2, SCC Serial Port A, RS-232 mode: TT, Mega STE 9-pin male D 1 Carrier Detect - DCD 2 Receive Data - RxD 3 Transmit Data - TxD 4 Data Terminal Ready - DTR 5 Ground - GND 6 Data Set Ready - DSR 7 Request To Send - RTS 8 Clear To Send - CTS 9 not connected Modem 2, SCC Serial Port B: TT, Mega STE 9-pin male D 1 Carrier Detect - DCD 2 Receive Data - RxD 3 Transmit Data - TxD 4 Data Terminal Ready - DTR 5 Ground - GND 6 Data Set Ready - DSR 7 Request To Send - RTS 8 Clear To Send - CTS 9 Ring Indicator - RI LAN, SCC Serial Port A LAN mode: TT, Mega STE, Falcon 8-pin female mini-DIN 1 Output Handshake (DTR, RS-423) - SYNCO 2 Input Handshake/External Clock - SYNCI 3 - Transmit Data Inverted - /TxD 4 Ground - GND 5 - Receive Data Inverted - /RxD 6 + Transmit Data - TxD 7 General Purpose Input - GPINP (TRxCA/CTSA) 8 + Receive Data - RxD Modem 1, MFP 68901 Serial Port 1 (MFP-ST): TT, Mega STE 9-pin male D 1 Carrier Detect - DCD 2 Receive Data - RxD 3 Transmit Data - TxD 4 Data Terminal Ready - DTR 5 Ground - GND 6 not connected 7 Request To Send - RTS 8 Clear To Send - CTS 9 Ring Indicator - RI Serial 1, MFP 68901 Serial Port 2 (MFP-2): TT 9-pin male D 1 not connected 2 Receive Data - RxD 3 Transmit Data - TxD 4 Data Terminal Ready - DTR (always on) 5 Ground - GND 6 not connected 7 Request To Send - RTS (always on) 8 not connected 9 not connected Modem, SCC Serial Port B: Falcon 9-pin male D 1 Carrier Detect - DCD 2 Receive Data - RxD 3 Transmit Data - TxD 4 Data Terminal Ready - DTR 5 Ground - GND 6 Data Set Ready - DSR 7 Request To Send - RTS 8 Clear To Send - CTS 9 Ring Indicator - RI MIDI Out: ST-Falcon 5-pin female DIN 1 THRU Transmit Data 2 Shield Ground - GND 3 THRU Loop Return 4 OUT Transmit Data 5 OUT Loop Return MIDI In: ST-Falcon 5-pin female DIN 1 not connected 2 not connected 3 not connected 4 IN Receive Data 5 IN Loop Return Printer: ST-TT 25-pin female D See the entry for Centronics and Table C1. 1 Strobe Output - STROBE 2 Data 0 3 Data 1 4 Data 2 5 Data 3 6 Data 4 7 Data 5 8 Data 6 9 Data 7 10 not connected 11 Busy Input - BUSY 12-17 not connected 18-25 Ground - GND Printer: Falcon 25-pin female D See the entry for Centronics and Table C1. 1 Strobe Output - STROBE 2 Data 0 3 Data 1 4 Data 2 5 Data 3 6 Data 4 7 Data 5 8 Data 6 9 Data 7 10 Acknowledge Input - ACKNLG 11 Busy Input - BUSY 12-16 not connected 17 Select Output - SLCT IN 18-25 Ground - GND Floppy Disk: ST-TT 14-pin female DIN 1 Read Data 2 Side 0 Select 3 Logic Ground - GND 4 Index Pulse 5 Drive 0 Select 6 Drive 1 Select 7 Logic Ground - GND 8 Motor On 9 Direction In 10 Step 11 Write Data 12 Write Gate 13 Track 00 14 Write Protect Floppy Disk Motherboard Connector: ST, Mega ST, Mega STE, TT, Falcon Shugart 34-pin edge card male header 1 Ground - GND 2 Not Connected or Reserved (High Density Detected on some HD drives) 3 Ground - GND 4 In Use/Head Load/Open - HLD 5 Ground - GND 6 Drive Select 4 - DS4 7 Ground - GND 8 Index Pulse Sensor - IP 9 Ground - GND 10 Drive Select 1 - DS1 11 Ground - GND 12 Drive Select 2 - DS2 13 Ground - GND 14 Drive Select 3 - DS3 15 Ground - GND 16 Motor On - MOTOR 17 Ground - GND 18 Direction In Select - DIRC 19 Ground - GND 20 Step Pulse - STEP 21 Ground - GND 22 Write Data Pulses - WDATA 23 Ground - GND 24 Write Gate - WG 25 Ground - GND 26 Track 00 Sensor - TR00 27 Ground - GND 28 Write Protect Sensor - WPRT 29 Ground - GND 30 Read Data Pulses - RDATA 31 Ground - GND 32 Side One Select - SIDE 33 Ground - GND 34 Drive Ready - RDY Cartridge: ST-Falcon 40-pin custom socket 1 +5 VDC 2 +5 VDC 3 Data 14 4 Data 15 5 Data 12 6 Data 13 7 Data 10 8 Data 11 9 Data 8 10 Data 9 11 Data 6 12 Data 7 13 Data 4 14 Data 5 15 Data 2 16 Data 3 17 Data 0 18 Data 1 19 Address 13 20 Address 15 21 Address 8 22 Address 14 23 Address 7 24 Address 9 25 Address 6 26 Address 10 27 Address 5 28 Address 12 29 Address 11 30 Address 4 31 ROM Select 3 32 Address 3 33 ROM Select 4 34 Address 2 35 Upper Data Strobe 36 Address 1 37 Lower Data Strobe 38-40 Ground - GND Mouse/Joystick Port 0: ST-Falcon 9-pin male D 1 XB/Up 2 XA/Down 3 YA/Left 4 YB/Right 5 not connected 6 Left button/Fire 7 +5 VDC 8 Ground - GND 9 Right button/Fire (port 1) Joystick Port 1: ST-Falcon 9-pin male D 1 Up 2 Down 3 Left 4 Right 5 Port 0 Enable 6 Fire 7 +5 VDC 8 Ground - GND 9 not connected Analogue Controller Port A: STE, Mega STE, Falcon 15-pin male D 1 Up Port 0 2 Down Port 0 3 Left Port 0 4 Right Port 0 5 Pad Y Port 0 6 Fire Port 0 7 +5 VDC 8 not connected 9 Ground - GND 10 Fire Port 2 11 Up Port 2 12 Down Port 2 13 Left Port 2 14 Right Port 2 15 Pad X Port 0 Analogue Controller Port B: STE, Mega STE, Falcon 15-pin male D 1 Up Port 1 2 Down Port 1 3 Left Port 1 4 Right Port 1 5 Pad Y Port 1 6 Fire Port 1 7 +5 VDC 8 not connected 9 Ground - GND 10 Fire Port 3 11 Up Port 3 12 Down Port 3 13 Left Port 3 14 Right Port 3 15 Pad X Port 1 Keyboard: Mega ST, Mega STE, TT 6-pin RJ45 plug (US style telephone plug) 1 5 VDC 2 5 VDC 3 Transmit Data - TxD 4 Receive Data - RxD 5 Ground - GND 6 Ground - GND Keyboard: Falcon Motherboard connector 10-pin male header 1 not connected 2 not connected 3 not connected 4 +5 VDC 5 Transmit Data - TxD 6 Receive Data - RxD 7 Reset 8 Ground - GND 9 not connected 10 not connected Monitor: ST, Mega ST, STE, Mega STE 13-pin female DIN 1 Audio Out 2 Composite Sync 3 General Purpose Output 4 Monochrome Detect 5 Audio In 6 Green 7 Red 8 +12 VDC Pullup for Peritel devices 9 Horizontal Sync 10 Blue 11 Monochrome 12 Vertical Sync 13 Ground - GND Monitor: TT 15-pin female D 1 Red 2 Green 3 Blue 4 High Resolution Monochrome Out + 5 Ground - GND 6 Red Ground 7 Green Ground 8 Blue Ground 9 Monochrome Detect 10 Ground - GND 11 Open 12 Open 13 Horizontal Sync 14 Vertical Sync 15 High Resolution Monochrome Out - Monitor: Falcon 19-pin male D 1 Red 2 Green 3 Blue 4 ST Mono or Overlay 5 Ground - GND 6 Red Ground 7 Green Ground 8 Blue Ground 9 Audio Out 10 Ground - GND 11 Ground - GND 12 Composite Video (Composite Sync on Peritel devices) 13 Horizontal Sync 14 Vertical Sync 15 External Clock Input 16 Even-Odd (originally External Sync Enable) 17 +12 VDC (necessary for Peritel interfaces) 18 Monitor Select 1 - M1 19 Monitor Select 0 - M0 TV RF Modulator: STM, STE, Mega STE, Falcon Phono socket Core RF Modulated Video Shield Ground - GND Stereo Sound Output: STE, Mega STE, TT Phono socket Core Output Voltage Shield Ground - GND Stereo Headphones: Falcon 3.5 mm stereo jack socket Core Output Voltage Shield Ground - GND Stereo Microphone: Falcon 3.5 mm stereo jack socket Core Input Voltage Shield Ground - GND External DSP: Falcon 26-pin female D 1 General Purpose I/O 0 - GP0 2 General Purpose I/O 1 - GP1 3 General Purpose I/O 2 - GP2 4 External Serial Output, Serial Data (XO_DATA) - P_DATA 5 External Serial Output, Serial Clock (XO_CLK) - P_CLK 6 External Serial Output, Sync (XO_SYNC) - P_SYNC 7 not connected 8 Ground - GND 9 +12 VDC 10 Ground - GND 11 Receive Clock, DSP SSI Port Pin SC0 (PC3) - SC0 12 Receive Sync, DSP SSI Port Pin SC1 (PC4) - SC1 13 Transmit Sync, DSP SSI Port Pin SC2 (PC5) - SC2 14 Ground - GND 15 Receive Data, DSP SSI Port Pin SRD (PC7) - SRD 16 Ground - GND 17 +12 VDC 18 Ground - GND 19 External Serial Input, Serial Data (XI_DATA) - R_DATA 20 External Serial Input, Serial Clock (XI_CLK) - R_CLK 21 External Serial Input, Sync (XI_SYNC) - R_SYNC 22 General Purpose Interrupt Input - EXT_INT 23 Transmit Data, DSP SSI Port Pin STD (PC8) - STD 24 Transmit Clock, DSP SSI Port Pin SCK (PC6) - SCK 25 Ground - GND 26 External Master Clock - EX_CLK ACSI/DMA: ST-TT 19-pin female D 1 Data 0 2 Data 1 3 Data 2 4 Data 3 5 Data 4 6 Data 5 7 Data 6 8 Data 7 9 Chip Select 10 Interrupt Request 11 Ground - GND 12 Reset 13 Ground - GND 14 Acknowledge 15 Ground - GND 16 A1 17 Ground - GND 18 Read/Write 19 Data Request SCSI: TT 25-pin female D Although the socket is 25-pin, the standard SCSI connector is 50-pin and this is used internally where all odd numbered pins are Ground except pin 25 which is not connected. See the entry for SCSI and Table S1. 1 Request, active low - REQ 2 Message, active low - MSG 3 Input/Output, active low - I/O 4 Reset, active low - RST 5 Acknowledge, active low - ACK 6 Busy, active low - BSY 7 Ground - GND 8 Data Bit SCSI ID 0 - DB(0) 9 Ground - GND 10 Data Bit SCSI ID 3 - DB(3) 11 Data Bit SCSI ID 5 - DB(5) 12 Data Bit SCSI ID 6 - DB(6) 13 Data Bit SCSI ID 7 - DB(7) 14 Ground - GND 15 Control/Data, active low - C/D 16 Ground - GND 17 Attention, active low - ATN 18 Ground - GND 19 Select, active low - SEL 20 Data Bit Parity - DB(P) 21 Data Bit SCSI ID 1 - DB(1) 22 Data Bit SCSI ID 2 - DB(2) 23 Data Bit SCSI ID 4 - DB(4) 24 Ground - GND 25 not connected SCSI II: Falcon 50-pin female D The standard SCSI connector is 50-pin where all odd numbered pins are Ground except pin 25 which is not connected. It would appear that the Falcon pin numbering is not standard, where the connector is numbered on one side first and then the other starting at 26 which is opposite to pin 1. The true SCSI connector has all even pins on one side and all odd on the other. See the entry for SCSI and Table S1. 1-10 Ground - GND 11 +5 VDC 12-14 not connected 15-25 Ground - GND 26 Data Bit SCSI ID 0 - DB(0) 27 Data Bit SCSI ID 1 - DB(1) 28 Data Bit SCSI ID 2 - DB(2) 29 Data Bit SCSI ID 3 - DB(3) 30 Data Bit SCSI ID 4 - DB(4) 31 Data Bit SCSI ID 5 - DB(5) 32 Data Bit SCSI ID 6 - DB(6) 33 Data Bit SCSI ID 7 - DB(7) 34 Data Bit Parity - DB(P) 35 Ground - GND 36 Ground - GND 37 not connected 38 +5 VDC Terminator power 39 not connected 40 Ground - GND 41 Attention - ATN 42 Ground - GND 43 Busy - BSY 44 Acknowledge - ACK 45 Reset - RST 46 Message - MSG 47 Select - SEL 48 Control/Data - C/D 49 Request - REQ 50 Input/Output - I/O VME: Mega STE, TT 96 pin DIN connector Row A Row B Row C 1 Data 0 BBSY* Data 8 2 Data 1 BCLR Data 9 3 Data 2 ACFAIL* Data 10 4 Data 3 BG0IN* Data 11 5 Data 4 BG0OUT* Data 12 6 Data 5 BG1IN* Data 13 7 Data 6 BG1OUT* Data 14 8 Data 7 BG2IN* Data 15 9 Ground - GND BG2OUT* Ground - GND 10 SYSCLK BG3IN* SYSFAIL* 11 Ground - GND BG3OUT* BERR* 12 DS1* BR0* SYSRESET* 13 DS0* BR1* LWORD* 14 WRITE* BR2* AM5 15 Ground - GND BR3* Address 23 16 DTACK* AM0 Address 22 17 Ground - GND AM1 Address 21 18 AS* AM2 Address 20 19 Ground - GND AM3 Address 19 20 IACK* Ground - GND Address 18 21 IACKIN* SERCLK Address 17 22 IACKOUT* SERDAT* Address 16 23 AM4 Ground - GND Address 15 24 Address 7 IRQ7* Address 14 25 Address 6 IRQ6* Address 13 26 Address 5 IRQ5* Address 12 27 Address 4 IRQ4* Address 11 28 Address 3 IRQ3* Address 10 29 Address 2 IRQ2* Address 09 30 Address 1 IRQ1* Address 08 31 -12 VDC +5 VDCSTBY +12 VDC 32 +5 VDC +5 VDC +5 VDC Internal Expansion Bus: Mega ST 64-pin dual row upright male header This is a direct extension of the MC68000 bus where each pin is equivalent to that on the CPU. 1 Data 4 2 Data 5 3 Data 3 4 Data 6 5 Data 2 6 Data 7 7 Data 1 8 Data 8 9 Data 0 10 Data 9 11 Address Strobe* - AS 12 Data 10 13 Upper Data Strobe* - UDS 14 Data 11 15 Lower Data Strobe* - LDS 16 Data 12 17 Read/Write* -R/W 18 Data 13 19 Data Transfer Acknowledge* - DTACK 20 Data 14 21 Bus Grant Out* - BGO 22 Data 15 23 Bus Grant Acknowledge* - BGACK 24 Ground - GND 25 Bus Request* - BR 26 Address 23 27 Ground - GND 28 Address 22 29 Clock - CLK 30 Address 21 31 Ground - GND 32 Ground - GND 33 HALT* 34 Address 20 35 RESET* 36 Address 19 37 Valid Memory Address* - VMA 38 Address 18 39 Enable Clock - E 40 Address 17 41 Valid Peripheral Address* - VPA 42 Address 16 43 Bus Error* - BERR 44 Address 15 45 Non Maskable Interupt (level 7)* - NMI 46 Address 14 47 Interrupt Level 5* - INT 5 48 Address 13 49 Interrupr Level 3* - INT 3 50 Address 12 51 Function Code 2 - FC2 52 Address 11 53 Function Code 1 - FC1 54 Address 10 55 Function Code 0 - FC0 56 Address 9 57 Address 1 58 Address 8 59 Address 2 60 Address 7 61 Address 3 62 Address 6 63 Address 4 64 Address 5 * signal: active low Internal Expansion Bus: Falcon This bus has two 'sockets', one with 30 and the other with 50 pins. 30-pin dual row upright male header 1 Bit 30 68030 Data Bus - Data 14 2 Bit 29 68030 Data Bus - Data 13 3 Bit 28 68030 Data Bus - Data 12 4 Bit 27 68030 Data Bus - Data 11 5 Bit 26 68030 Data Bus - Data 10 6 Bit 25 68030 Data Bus - Data 9 7 Bit 24 68030 Data Bus - Data 8 8 Bit 23 68030 Data Bus - Data 7 9 Bit 22 68030 Data Bus - Data 6 10 Bit 21 68030 Data Bus - Data 5 11 Bit 20 68030 Data Bus - Data 4 12 Bit 19 68030 Data Bus - Data 3 13 Bit 18 68030 Data Bus - Data 2 14 Bit 17 68030 Data Bus - Data 1 15 Bit 16 68030 Data Bus - Data 0 16 Bit 31 68030 Data Bus - Data 15 17 Ground - GND 18 Ground - GND 19 Ground - GND 20 Bus Grant Out, to lower priority devices - CPU_BGO 21 Interrupt Level 1, active high - EINT1 22 Bus Grant In, direct from CPU - CPU_BGI 23 500 kHz Fixed Clock - 500 kHz 24 not connected 25 MFP Level 6 Interrupt Enable, active low - MFP_IEI 26 MFP Level 6 Interrupt, wired-ORed, active low - MFP_INT 27 Interrupt Level 3, active high - EINT3 28 VCC 29 VCC 30 VCC 50-pin dual row upright male header 1 Ground - GND 2 Ground - GND 3 Bus Grant Acknowledge, wired-ORed, active low - BGK 4 Address Strobe - AS 5 Lower Data Strobe (68000 compatible) - LDS 6 Upper Data Strobe (68000 compatible) - UDS 7 Read/Write - RXW 8 Data Transfer Acknowledge - DTACK 9 Function Code (68030 compatible) - FC2 10 Function Code (68030 compatible) - FC1 11 Function Code (68030 compatible) - FC0 12 Bus Mode - BMODE 13 not connected 14 Level 6 Interrupt Acknowledge, active low - IACK 15 Bus Grant, daisy chained - BG 16 Bus Request, wired-ORed, active low - BR 17 Reset (active low) - RESET 18 CPU Halt - HALT 19 Bus Error - BERR 20 CPU Interrupt Priority Level Indicator active low - IPL0 21 CPU Interrupt Priority Level Indicator active low - IPL1 22 CPU Interrupt Priority Level Indicator active low - IPL2 23 System Bus Clock, 8 MHz at reset, 16 MHz after - CPUCLK 24 VCC 25 VCC 26 Bit 23 68030 Address Bus - A23 27 Bit 22 68030 Address Bus - A22 28 Bit 21 68030 Address Bus - A21 29 Bit 20 68030 Address Bus - A20 30 Bit 19 68030 Address Bus - A19 31 Bit 18 68030 Address Bus - A18 32 Bit 17 68030 Address Bus - A17 33 Bit 16 68030 Address Bus - A16 34 Bit 15 68030 Address Bus - A15 35 Bit 14 68030 Address Bus - A14 36 Bit 13 68030 Address Bus - A13 37 Bit 12 68030 Address Bus - A12 38 Bit 11 68030 Address Bus - A11 39 Bit 10 68030 Address Bus - A10 40 Bit 9 68030 Address Bus - A9 41 Bit 8 68030 Address Bus - A8 42 Bit 7 68030 Address Bus - A7 43 Bit 6 68030 Address Bus - A6 44 Bit 5 68030 Address Bus - A5 45 Bit 4 68030 Address Bus - A4 46 Bit 3 68030 Address Bus - A3 47 Bit 2 68030 Address Bus - A2 48 Bit 1 68030 Address Bus - A1 49 EXPAND 50 not connected Dip switch: Mega STE Dip-switch mounted on motherboard Switch on Function 8 DMA sound hardware disabled 7 AJAX floppy disk controller fitted 6 2.88 Mb ED floppy disk drive fitted Dip switch: Falcon Two dip switches mounted on motherboard U56 Switch Function 1 On = 1 Wait State DRAMs Off = 0 Wait State DRAMs 2 On = 32-bit Video Bus Off = 16-bit Video Bus 3-4 Off Off = 0 Wait State ROMs Off On = 1 Wait State ROMs On Off = 2 Wait State ROMs On On = Reserved 5-6 Not used 7-8 Not used U57 Switch Function 1-4 Not used 5 Off = 2.88 Mb ED floppy disk drive fitted On = Any floppy disk other than ED fitted 6 Off = AJAX floppy disk controller fitted On = WD1772 floppy disk drive fitted 7 Off = DMA sound hardware disabled On = DMA sound hardware enabled Appendix C EOF