I/O 1 PCB


Data Sheets

Silkscreen
Scematic Diagram
ST16C552 Data Sheet
MAX232 Data Sheet
74F04 Data Sheet (we use 74HC04, but this one has the same logic functionality)
74F573 Data Sheet (we use 74HC573, but this one has the same logic functionality)
Pinout of the connectors as ASCII file


Silkscreen



Connector 1 (CPU Address & Data Lines)
Pin Description Pin Description
1 Digital Ground 2 Digital Ground
3 Data 0 4 Data 1
5 Data 2 6 Data 3
7 Data 4 8 Data 5
9 Data 6 10 Data 7
11 Data 8 12 Data 9
13 Data 10 14 Data 11
15 Data 12 16 Data 13
17 Data 14 18 Data 15
19 Digital Ground 20 Digital Ground
21 Address 0 22 Address 1
23 Address 2 24 Address 3
25 Address 4 26 Address 5
27 Address 6 28 Address 7
29 Address 8 30 Address 9
31 Address 10 32 Address 11
33 Address 12 34 Address 13
35 Address 14 36 Address 15
37 Address 16 38 Address 17
39 Address 18 40 Address 19
41 /Write 42 /Read
43 NC 44 NC
45 NC 46 NC
47 +5V 48 +5V
49 +5V 50 +5V


Connector 2 (Analog-Input and TPU-Channels)
Pin Description Pin Description
1 Analog Ground 2 Analog Ground
3 Analog Input Channel 15 4 Analog Input Channel 14
5 Analog Input Channel 13 6 Analog Input Channel 12
7 Analog Input Channel 11 8 Analog Input Channel 10
9 Analog Input Channel 9 10 Analog Input Channel 8
11 Analog Input Channel 7 12 Analog Input Channel 6
13 Analog Input Channel 5 14 Analog Input Channel 4
15 Analog Input Channel 3 16 Analog Input Channel 2
17 Analog Input Channel 1 18 Analog Input Channel 0
19 Analog Ground 20 Analog Ground
21 TPU Channel 0 22 TPU Channel 1
23 TPU Channel 2 24 TPU Channel 3
25 TPU Channel 4 26 TPU Channel 5
27 TPU Channel 6 28 TPU Channel 7
29 TPU Channel 8 30 TPU Channel 9
31 TPU Channel 10 32 TPU Channel 11
33 TPU Channel 12 34 TPU Channel 13
35 TPU Channel 14 36 TPU Channel 15
37 /Chip Select 10 38 /Chip Select 9
39 /Chip Select 8 40 /Chip Select 7
41 /Chip Select 5 42 /Chip Select 4
43 /Chip Select 3 44 /Reset
45 Port F5 46 Port F3
47 Port F1 48 NC
49 NC 50 NC


Connector 3 (Servo Port)
Pin Description Pin Description
1 TPU Channel 15 2 Servo Supply (+6V)
3 Digital Ground 4 TPU Channel 14
5 Servo Supply (+6V) 6 Digital Ground
7 TPU Channel 13 8 Servo Supply (+6V)
9 Digital Ground 10 TPU Channel 12
11 Servo Supply (+6V) 12 Digital Ground
13 TPU Channel 11 14 Servo Supply (+6V)
15 Digital Ground 16 TPU Channel 10
17 Servo Supply (+6V) 18 Digital Ground
19 TPU Channel 9 20 Servo Supply (+6V)
21 Digital Ground 22 TPU Channel 8
23 Servo Supply (+6V) 24 Digital Ground
25 TPU Channel 7 26 Servo Supply (+6V)
27 Digital Ground 28 TPU Channel 6
29 Servo Supply (+6V) 30 Digital Ground
31 TPU Channel 5 32 Servo Supply (+6V)
33 Digital Ground 34 TPU Channel 4
35 Servo Supply (+6V) 36 Digital Ground
37 TPU Channel 3 38 Servo Supply (+6V)
39 Digital Ground 40 TPU Channel 2
41 Servo Supply (+6V) 42 Digital Ground
43 TPU Channel 1 44 Servo Supply (+6V)
45 Digital Ground 46 TPU Channel 0
47 Servo Supply (+6V) 48 Digital Ground
49 NC 50 NC


Connector 4 (Parallel Printer Port)
Pin Description Pin Description
1 /Strobe 2 /Auto Feed
3 Data 0 4 Error
5 Data 1 6 Init
7 Data 2 8 Select In
9 Data 3 10 Digital Ground
11 Data 4 12 Digital Ground
13 Data 5 14 Digital Ground
15 Data 6 16 Digital Ground
17 Data 7 18 Digital Ground
19 /Acknowledge 20 Digital Ground
21 Busy 22 Digital Ground
23 Paper Empty 24 Digital Ground
25 Select 26 +5V


Connector 5 (Serial Port 2 & 3)
Pin Description Pin Description
1 P3 CMOS-Level !! CD (Carrier Detect) 2 P3 CMOS-Level !! DSR (Data Set Ready)
3 P3 CMOS-Level !! RxD (Receive Data) 4 P3 CMOS-Level !! RTS (Request to Send)
5 P3 CMOS-Level !! TxD (Transmit Data) 6 P3 CMOS-Level !! CTS (Clear to Send)
7 P3 CMOS-Level !! DTR (Data Terminal Ready) 8 P3 CMOS-Level !! RI (Ring Indicator)
9 P3 Digital Ground 10 P3 Shield
11 P2 NC 12 P2 NC
13 P2 RS232-Level RxD (Receive Data) 14 P2 RS232-Level RTS (Request to Send)
15 P2 RS232-Level TxD (Transmit Data) 16 P2 RS232-Level CTS (Clear to Send)
17 P2 NC 18 P2 NC
19 P2 Digital Ground 20 P2 Shield


Connector 6 (Digital I/O & Analog Input)
Pin Description Pin Description
1 +5V 2 Digital Output Port 0
3 Digital Output Port 1 4 Digital Output Port 2
5 Digital Output Port 3 6 Digital Output Port 4
7 Digital Output Port 5 8 Digital Output Port 6
9 Digital Output Port 7 10 Digital Ground
11 +5V 12 Digital Input Port 0
13 Digital Input Port 1 14 Digital Input Port 2
15 Digital Input Port 3 16 Digital Input Port 4
17 Digital Input Port 5 18 Digital Input Port 6
19 Digital Input Port 7 20 Digital Ground
21 Analog Input 6 22 Analog Ground
23 Analog Input 7 24 Analog Ground
25 Analog Input 8 26 Analog Ground
27 Analog Input 9 28 Analog Ground
29 Analog Input 10 30 Analog Ground
31 Analog Input 11 32 Analog Ground
33 Analog Input 12 34 Analog Ground
35 Analog Input 13 36 Analog Ground
37 +5V 38 Analog Input 14
39 Analog Input 15 40 Analog Ground


Connector 7 (Analog Input)
Pin Description Pin Description
1 +5V 2 +5V
3 Analog Input 0 4 Analog Input 1
5 Analog Input 2 6 Analog Input 3
7 Analog Input 4 8 Analog Input 5
9 Analog Ground 10 Analog Ground


Connector 8 (Power Supply)
Pin Description Pin Description
1 Servo Supply (+6V) 2 Servo Supply (+6V)
3 Ground 4 Ground
5 Digital Supply Unregulated (+8V) 6 Digital Supply Unregulated (+8V)