1.14) What are the pinouts for the various connectors on the Atari?

Controller port 1 (all machines):
      1         5
       o o o o o      DE-9 Plug - male
        o o o o
       6       9
1. PIA Port A Input/Output Bit 0
    - Joystick #1 Forward/Up
    - Driving Controller #1 Bit 0 (of 2-bit Gray code)
    - Trackball #1 X Direction (high=right low=left)
    - Touch Tablet #1 Stylus Button
    - Light Pen Button
    - Light Gun Trigger
    - XEP80 Data to 80 Column (serial output from computer)
2. PIA Port A Input/Output Bit 1
    - Joystick #1 Back/Down
    - Driving Controller #1 Bit 1 (of 2-bit Gray code)
    - Trackball #1 X Motion (square wave)
    - XEP80 Data From 80 Column (serial input to computer)
3. PIA Port A Input/Output Bit 2
    - Joystick #1 Left
    - Trackball #1 Y Direction (high=down low=up)
    - Touch Tablet #1 Left Button
    - Paddle #1 Trigger
4. PIA Port A Input/Output Bit 3
    - Joystick #1 Right
    - Trackball #1 Y Motion (square wave)
    - Touch Tablet #1 Right Button
    - Paddle #2 Trigger
5. Potentiometer Port 1 (POKEY) (analog input, 0V-5V)
    - Paddle #2 Position
    - Touch Tablet #1 Vertical Position
6. Trigger 0
    - Joystick #1 Trigger (CTIA/GTIA/FGTIA)
    - Driving Controller #1 Trigger (CTIA/GTIA/FGTIA)
    - Trackball #1 Triggers/Buttons (CTIA/GTIA/FGTIA)
    - 800/XL/XE (not 400): Light Pen/Light Gun Read (ANTIC)
7. +5V  (50mA current rating)
8. Ground
9. Potentiometer Port 0 (POKEY) (analog input, 0V-5V)
    - Paddle #1 Position
    - Touch Tablet #1 Horizontal Position

Controller port 2 (all machines):
      1         5
       o o o o o      DE-9 Plug - male
        o o o o
       6       9
1. PIA Port A Input/Output Bit 4
    - Joystick #2 Forward/Up
    - Driving Controller #2 Bit 0 (of 2-bit Gray code)
    - Trackball #2 X Direction (high=right low=left)
    - Touch Tablet #2 Stylus Button
    - Light Pen Button
    - Light Gun Trigger
    - XEP80 Data to 80 Column (serial output from computer)
2. PIA Port A Input/Output Bit 5
    - Joystick #2 Back/Down
    - Driving Controller #2 Bit 1 (of 2-bit Gray code)
    - Trackball #2 X Motion (square wave)
    - XEP80 Data From 80 Column (serial input to computer)
3. PIA Port A Input/Output Bit 6
    - Joystick #2 Left
    - Trackball #2 Y Direction (high=down low=up)
    - Touch Tablet #2 Left Button
    - Paddle #3 Trigger
4. PIA Port A Input/Output Bit 7
    - Joystick #2 Right
    - Trackball #2 Y Motion (square wave)
    - Touch Tablet #2 Right Button
    - Paddle #4 Trigger
5. Potentiometer Port 3 (POKEY) (analog input, 0V-5V)
    - Paddle #4 Position
    - Touch Tablet #2 Vertical Position
6. Trigger 1
    - Joystick #2 Trigger (CTIA/GTIA/FGTIA)
    - Driving Controller #2 Trigger (CTIA/GTIA/FGTIA)
    - Trackball #2 Triggers/Buttons (CTIA/GTIA/FGTIA)
    - 800/XL/XE (not 400): Light Pen/Light Gun Read (ANTIC)
7. +5V  (50mA current rating)
8. Ground
9. Potentiometer Port 2 (POKEY) (analog input, 0V-5V)
    - Paddle #3 Position
    - Touch Tablet #2 Horizontal Position

Controller port 3 (400/800 only):
      1         5
       o o o o o      DE-9 Plug - male
        o o o o
       6       9
1. PIA Port B Input/Output Bit 0
    - Joystick #3 Forward/Up
    - Driving Controller #3 Bit 0 (of 2-bit Gray code)
    - Trackball #3 X Direction (high=right low=left)
    - Touch Tablet #3 Stylus Button
    - Light Pen Button
    - Light Gun Trigger
2. PIA Port B Input/Output Bit 1
    - Joystick #3 Back/Down
    - Driving Controller #3 Bit 1 (of 2-bit Gray code)
    - Trackball #3 X Motion (square wave)
3. PIA Port B Input/Output Bit 2
    - Joystick #3 Left
    - Trackball #3 Y Direction (high=down low=up)
    - Touch Tablet #3 Left Button
    - Paddle #5 Trigger
4. PIA Port B Input/Output Bit 3
    - Joystick #3 Right
    - Trackball #3 Y Motion (square wave)
    - Touch Tablet #3 Right Button
    - Paddle #6 Trigger
5. Potentiometer Port 5 (POKEY) (analog input, 0V-5V)
    - Paddle #6 Position
    - Touch Tablet #3 Vertical Position
6. Trigger 2
    - Joystick #3 Trigger (CTIA/GTIA)
    - Driving Controller #3 Trigger (CTIA/GTIA)
    - Trackball #3 Triggers/Buttons (CTIA/GTIA)
    - 800 (not 400): Light Pen/Light Gun Read (ANTIC)
7. +5V  (50mA current rating)
8. Ground
9. Potentiometer Port 4 (POKEY) (analog input, 0V-5V)
    - Paddle #5 Position
    - Touch Tablet #3 Horizontal Position

Controller port 4 (400/800 only):
      1         5
       o o o o o      DE-9 Plug - male
        o o o o
       6       9
1. PIA Port B Input/Output Bit 4
    - Joystick #4 Forward/Up
    - Driving Controller #4 Bit 0 (of 2-bit Gray code)
    - Trackball #4 X Direction (high=right low=left)
    - Touch Tablet #4 Stylus Button
    - Light Pen Button
    - Light Gun Trigger
2. PIA Port B Input/Output Bit 5
    - Joystick #4 Back/Down
    - Driving Controller #4 Bit 1 (of 2-bit Gray code)
    - Trackball #4 X Motion (square wave)
3. PIA Port B Input/Output Bit 6
    - Joystick #4 Left
    - Trackball #4 Y Direction (high=down low=up)
    - Touch Tablet #4 Left Button
    - Paddle #7 Trigger
4. PIA Port B Input/Output Bit 7
    - Joystick #4 Right
    - Trackball #4 Y Motion (square wave)
    - Touch Tablet #4 Right Button
    - Paddle #8 Trigger
5. Potentiometer Port 7 (POKEY) (analog input, 0V-5V)
    - Paddle #8 Position
    - Touch Tablet #4 Vertical Position
6. Trigger 3
    - Joystick #4 Trigger (CTIA/GTIA)
    - Driving Controller #4 Trigger (CTIA/GTIA)
    - Trackball #4 Triggers/Buttons (CTIA/GTIA)
    - Light Pen/Light Gun Read (ANTIC)
7. +5V  (50mA current rating)
8. Ground
9. Potentiometer Port 6 (POKEY) (analog input, 0V-5V)
    - Paddle #7 Position
    - Touch Tablet #4 Horizontal Position

Serial I/O (SIO) / Peripheral port (all machines, also peripherals):
     2           12
      o o o o o o     Atari proprietary plug - male
     o o o o o o o
    1             13
1. Computer Clock Input (POKEY)   8. Motor Control (PIA)
2. Computer Clock Output (POKEY)  9. /Proceed (PIA)
3. Computer Data Input (POKEY)   10. +5V/Ready,
                                     50mA current rating except 1mA on 1200XL
4. Ground                        11. Audio Input (175mV)
5. Computer Data Output (POKEY)  12. 400/800: +12V, 300mA current rating
   (normally digital, but can also     XL/XE: Not Connected
   be two-tone audio for cassette data)
6. Ground                        13. /Interrupt (PIA)
7. /Command (PIA)

Monitor port (all but 400, NTSC 600XL, SECAM 800XL/130XE/XEgs):
  3 o       o 1
     o     o       DIN-5 180 Socket - female
   5    o    4
        2
1. Composite Luminance ("Y") (PAL 600XL: Not Connected)
2. Ground
3. Audio Output
4. Composite Video (NTSC or PAL standard)
5. Composite Chrominance ("C"; NTSC or PAL standard) (1200XL: Not Connected;
         PAL 600XL: Ground; all but very late-production 800XL: Not Connected)

Monitor port, Peritel (PAL 800 Peritel only):
- Thanks Laurent Delsarte for cable verification
- Socket picture:
   http://msx.fab.free.fr/mpc2/atari/photo8b/atari800/atari800palcote2.jpg
     7     6
      o 8 o
   3 o  o  o 1       DIN-8 270 Socket - female
      o   o 
     5  o  4
        2
1. RGB Sync
2. Ground (for Peritel Video Ground)
3. [unknown, verification needed!!]
4. RGB Red
5. RGB Green
6. +12V (for Peritel Slow Switching AV Mode 4:3)
7. Audio
8. RGB Blue

Monitor port (SECAM 800XL/130XE/XEgs):
    5       1
     o  6  o
        o          DIN-6 240 Socket - female
     o     o
    4   o   2
        3
1. +12V (5mA max, for Peritel Slow Switching AV Mode 4:3)
2. RF Modulator Audio (amplitude about 6x regular Audio)
3. Peritel Audio
4. Composite Video (SECAM standard)
5. Video Ground
6. +5V Mod (100mA max, power for an RF Modulator)

Power jack (all but 400,800,1200XL):
     7     6
      o   o
   3 o     o 1     DIN-7 270 Socket - female
      o   o
    5   o   4
        2
1. +5V         5. Ground
2. Shield      6. +5V
3. Ground      7. Ground
4. +5V

Cartridge slot (present on all machines; Left Cartridge/Cartridge A on 800):
     A  B  C  D  E  F  H  J  K  L  M  N  P  R  S    Edge Connector
     -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    15/30 (15x2P 30P)
     -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    0.100" contact pitch
     1                                         15
1. /S4 Select $8000-$9FFF              A. RD4 RAM Deselect $8000-$9FFF
                                           except 400: Not Connected
2. A3 Address bus line 3               B. Vss GND Ground
3. A2 Address bus line 2               C. A4 Address bus line 4
4. A1 Address bus line 1               D. A5 Address bus line 5
5. A0 Address bus line 0               E. A6 Address bus line 6
6. D4 Data bus line 4                  F. A7 Address bus line 7
7. D5 Data bus line 5                  H. A8 Address bus line 8
8. D2 Data bus line 2                  J. A9 Address bus line 9
9. D1 Data bus line 1                  K. A12 Address bus line 12
10. D0 Data bus line 0                  L. D3 Data bus line 3
11. D6 Data bus line 6                  M. D7 Data bus line 7
12. /S5 Select $A000-$BFFF              N. A11 Address bus line 11
13. Vcc +5V                             P. A10 Address bus line 10
14. RD5 RAM Deselect $A000-$BFFF        R. 400/800/1200XL: R/W Early
    except 400: Not Connected              600XL/800XL/XE: R/W Read/Write
15. /CCTL Cartridge Control $D5xx       S. 400/800: RASTIME
                                                       Row Address Strobe Time
                                           XL/XE: BPhi2 Buffered Phase 2 Clock

Right Cartridge/Cartridge B slot (800 only):
     A  B  C  D  E  F  H  J  K  L  M  N  P  R  S    Edge Connector
     -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    15/30 (15x2P 30P)
     -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    0.100" contact pitch
     1                                         15
1. R/W Late 1 - Read/Write Late 1      A. Phi2 Phase 2 clock
2. A3 Address bus line 3               B. Vss GND Ground
3. A2 Address bus line 2               C. A4 Address bus line 4
4. A1 Address bus line 1               D. A5 Address bus line 5
5. A0 Address bus line 0               E. A6 Address bus line 6
6. D4 Data bus line 4                  F. A7 Address bus line 7
7. D5 Data bus line 5                  H. A8 Address bus line 8
8. D2 Data bus line 2                  J. A9 Address bus line 9
9. D1 Data bus line 1                  K. A12 Address bus line 12
10. D0 Data bus line 0                  L. D3 Data bus line 3
11. D6 Data bus line 6                  M. D7 Data bus line 7
12. /S4 Select $8000-$9FFF              N. A11 Address bus line 11
13. Vcc +5V                             P. A10 Address bus line 10
14. RD4 RAM Deselect $8000-$9FFF        R. R/W Early
15. /CCTL Cartridge Control $D5xx       S. RASTIME Row Address Strobe Time

ROM Module/Personality Module slot (800 only):
   A  B  C  D  E  F  H  J  K  L  M  N  P  R  S  T  U  V  W  X  Y  Z    Edge
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  Connector
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    22/44
   1                                                              22
1. D0 Data bus line 0                  A. D1 Data bus line 1
2. D2 Data bus line 2                  B. D4 Data bus line 4
3. D3 Data bus line 3                  C. D5 Data bus line 5
4. D7 Data bus line 7                  D. D6 Data bus line 6
5. A0 Address bus line 0               E. A2 Address bus line 2
6. A7 Address bus line 7               F. A9 Address bus line 9
7. A1 Address bus line 1               H. /S7 Select $E000-$FFFF (OS)
8. A8 Address bus line 8               J. A6 Address bus line 6
9. A5 Address bus line 5               K. A4 Address bus line 4
10. A3 Address bus line 3               L. A11 Address bus line 11
11. A10 Address bus line 10             M. /S6 Select $C000-$DFFF
                                           (hardware I/O decodes; FPP)
12. A12 Address bus line 12             N. /S5 Select $A000-$BFFF (Cart)
13. CTIA/GTIA /CS Chip Select $D0xx     P. /S4 Select $8000-$9FFF (Cart)
14. /EXSEL External Select              R. A15 Address bus line 15
15. /GBA [data bus select]              S. Phi2 Phase 2 clock
16. /WRITIME                            T. GBA [data bus select]
17. Phi1 Clock                          U. R/W Early
18. PIA /CS Chip Select $D3xx           V. RASTIME Row Address Strobe Time
19. POKEY /CS Chip Select $D2xx         W. D6XX /CS Chip Select $D6xx
20. NC Not Connected                    X. D5XX /CS Chip Select $D5xx
21. Vcc +5V                             Y. Vcc +5V
22. Vss GND Ground                      Z. Vss GND Ground

RAM Module Slot 1 (front RAM slot; 800 only):
   A  B  C  D  E  F  H  J  K  L  M  N  P  R  S  T  U  V  W  X  Y  Z    Edge
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  Connector
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    22/44
   1                                                              22
1. D0 Data bus line 0                  A. D1 Data bus line 1
2. D2 Data bus line 2                  B. D4 Data bus line 4
3. D3 Data bus line 3                  C. D5 Data bus line 5
4. D7 Data bus line 7                  D. D6 Data bus line 6
5. A0 Address bus line 0               E. A2 Address bus line 2
6. A7 Address bus line 7               F. A9 Address bus line 9
7. A1 Address bus line 1               H. A13 Address bus line 13
8. A8 Address bus line 8               J. A4 Address bus line 4
9. A5 Address bus line 5               K. A11 Address bus line 11
10. A3 Address bus line 3               L. A12 Address bus line 12
11. A10 Address bus line 10             M. Select line input from Slot 2 pin N
12. A6 Address bus line 6               N. Select line output to Slot 3 pin U
13. R/W Late 1                          P. Select line input from Slot 2 pin R
14. Phi2 Phase 2 clock                  R. Select line output to Slot 3 pin 18
15. RASTIME Row Address Strobe Time     S. Select line input from Slot 2 pin T
16. R/W Early                           T. Select line output to Slot 2 pin 18
17. /REF RAM Refresh                    U. /S1 Select $2000-$3FFF
18. /S0 Select $0000-$1FFF              V. NC Not Connected
19. Vcc +5V                             W. Vcc +5V
20. Vbb -5V                             X. Vbb -5V
21. Vdd +12V                            Y. Vdd +12V
22. Vss GND Ground                      Z. Vss GND Ground

RAM Module Slot 2 (middle RAM slot; 800 only):
   A  B  C  D  E  F  H  J  K  L  M  N  P  R  S  T  U  V  W  X  Y  Z    Edge
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  Connector
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    22/44
   1                                                              22
1. D0 Data bus line 0                  A. D1 Data bus line 1
2. D2 Data bus line 2                  B. D4 Data bus line 4
3. D3 Data bus line 3                  C. D5 Data bus line 5
4. D7 Data bus line 7                  D. D6 Data bus line 6
5. A0 Address bus line 0               E. A2 Address bus line 2
6. A7 Address bus line 7               F. A9 Address bus line 9
7. A1 Address bus line 1               H. A13 Address bus line 13
8. A8 Address bus line 8               J. A4 Address bus line 4
9. A5 Address bus line 5               K. A11 Address bus line 11
10. A3 Address bus line 3               L. A12 Address bus line 12
11. A10 Address bus line 10             M. /S5 Select $A000-$BFFF
12. A6 Address bus line 6               N. Select line output to Slot 1 pin M
13. R/W Late 2,3                        P. /S4 Select $8000-$9FFF
14. Phi2 Phase 2 clock                  R. Select line output to Slot 1 pin P
15. RASTIME Row Address Strobe Tie      S. /S3 Select $6000-$7FFF
16. R/W Early                           T. Select line output to Slot 1 pin S
17. /REF RAM Refresh                    U. /S2 Select $4000-$5FFF
18. Select line input from Slot 1 pin T V. NC Not Connected
19. Vcc +5V                             W. Vcc +5V
20. Vbb -5V                             X. Vbb -5V
21. Vdd +12V                            Y. Vdd +12V
22. Vss GND Ground                      Z. Vss GND Ground

RAM Module Slot 3 (rear RAM slot; 800 only):
   A  B  C  D  E  F  H  J  K  L  M  N  P  R  S  T  U  V  W  X  Y  Z    Edge
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  Connector
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -    22/44
   1                                                              22
1. D0 Data bus line 0                  A. D1 Data bus line 1
2. D2 Data bus line 2                  B. D4 Data bus line 4
3. D3 Data bus line 3                  C. D5 Data bus line 5
4. D7 Data bus line 7                  D. D6 Data bus line 6
5. A0 Address bus line 0               E. A2 Address bus line 2
6. A7 Address bus line 7               F. A9 Address bus line 9
7. A1 Address bus line 1               H. A13 Address bus line 13
8. A8 Address bus line 8               J. A4 Address bus line 4
9. A5 Address bus line 5               K. A11 Address bus line 11
10. A3 Address bus line 3               L. A12 Address bus line 12
11. A10 Address bus line 10             M. /EXSEL External Select
12. A6 Address bus line 6               N. Not connected
13. R/W Late 2,3                        P. D6XX /CS Chip Select $D6xx
14. Phi2 Phase 2 clock                  R. Not connected
15. RASTIME Row Address Strobe Time     S. Not connected
16. R/W Early                           T. Not connected
17. /REF RAM Refresh                    U. Select line in from Slot 1 pin N
18. Select line input from Slot 1 pin R V. D5XX /CS Chip Select $D5xx
19. Vcc +5V                             W. Vcc +5V
20. Vbb -5V                             X. Vbb -5V
21. Vdd +12V                            Y. Vdd +12V
22. Vss GND Ground                      Z. Vss GND Ground

Parallel Bus Interface (PBI) (600XL and 800XL only):
1                                                                       49
-  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
-  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
2                                                                       50
                  Edge Connector 25/50
  1. GND Ground                        2. /EXTSEL External Select (Input)
  3. A0 Address Line 0 (Output)        4. A1 Address Line 1 (Output)
  5. A2 Address Line 2 (Output)        6. A3 Address Line 3 (Output)
  7. A4 Address Line 4 (Output)        8. A5 Address Line 5 (Output)
  9. A6 Address Line 6 (Output)       10. GND Ground
11. A7 Address Line 7 (Output)       12. A8 Address Line 8 (Output)
13. A9 Address Line 9 (Output)       14. A10 Address Line 10 (Output)
15. A11 Address Line 11 (Output)     16. A12 Address Line 12 (Output)
17. A13 Address Line 13 (Output)     18. A14 Address Line 14 (Output)
19. GND Ground                       20. A15 Address Line 15 (Output)
21. D0 Data Line 0 (In/Out)          22. D1 Data Line 1 (In/Out)
23. D2 Data Line 2 (In/Out)          24. D3 Data Line 3 (In/Out)
25. D4 Data Line 4 (In/Out)          26. D5 Data Line 5 (In/Out)
27. D6 Data Line 6 (In/Out)          28. D7 Data Line 7 (In/Out)
29. GND Ground                       30. GND Ground
31. BPhi2 Buffered Phase 2 Clock(Out)32. GND Ground
33. Reserved                         34. /RST Reset (Output)
35. /IRQ Interrupt Request (Input)   36. RDY Ready (Input)
37. Reserved                         38. EXTENB External Decoder Enable (Out)
39. Reserved                         40. /REF Refresh (Output)
41. /CAS Column Address Strobe (Out) 42. GND Ground
43. /MPD Math Pack Disable (Input)   44. /RAS Row Address Strobe (Output)
45. GND Ground                       46. LR/W Latched Read/Write (Output)
47. 600XL: +5V                       48. 600XL: +5V
     800XL: Reserved                      800XL: Reserved
49. AUDIO Audio In (Input)           50. GND Ground

Enhanced Cartridge Interface (ECI)/Expansion port (130XE, 800XE, & many 65XE)
     A  B  C  D  E  F  H             Edge
     -  -  -  -  -  -  -           Connector
     -  -  -  -  -  -  -             7/14
     1                 7
A. Reserved                       1. /EXTSEL External Select (Input)
B. /IRQ Interrupt Request (Input) 2. /RST Reset (Output)
C. /HALT (Input)                  3. D1XX /CS Chip Select $D1xx (In)
D. A13 Address Line 13 (Output)   4. /MPD Math Pack Disable (Input)
E. A14 Address Line 14 (Output)   5. AUDIO Audio In (Input)
F. A15 Address Line 15 (Output)   6. /REF Refresh (Output)
H. GND Ground                     7. +5V

Keyboard port (XE System Console only):
    8               1
     o o o o o o o o     DA-15 Plug - male
      o o o o o o o                 - pin numbering reverse of standard
    15             9
1. /K2 Keyboard Scan (POKEY)       9. +5V
2. /K1 Keyboard Scan (POKEY)      10. +5V
3. /K0 Keyboard Scan (POKEY)      11. KBDETECT (GTIA/FGTIA)
4. /KR1 Keyboard Response (POKEY) 12. NC Not Connected
5. /K5 Keyboard Scan (POKEY)      13. GND Ground
6. /K4 Keyboard Scan (POKEY)      14. NC Not Connected
7. /K3 Keyboard Scan (POKEY)      15. GND Ground
8. /KR2 Keyboard Response (POKEY)
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