Gasboy CFN Series Diagnostic Manual - Manual (Page 408)

CFN Islander
13-40 12/26/02
Connectors
P1 – CPU Interface
Pinout Pin Function Voltage
1 DC ground DC gorund
2 D0 – Data 0  +5 VDC - On
3 DC ground DC ground
4 D1 – Data 1  +5 VDC - On
5 DC ground DC ground
6 D2 – Data 2  +5 VDC - On
7 N/C N/C
8 D3 – Data 3  +5 VDC - On
9 N/C N/C
10 D4 – Data 4  +5 VDC - On
11 N/C N/C
12 D5 – Data 5  +5 VDC - On
13 N/C N/C
14 D6 – Data 6  +5 VDC - On
15 N/C N/C
16 D7 – Data 7  +5 VDC - On
17 N/C N/C
18 A0 – Address 0  +5 VDC - On
19 N/C N/C
20 N/C N/C
21 DC ground DC ground
22 A1 – Address 1  +5 VDC - On
23 N/C N/C
24 RD – Read data  0 VDC - On
25 N/C N/C
26 WD – Write data  0 VDC - On
P2 – DC Power Input
Pinout Pin Function Voltage
1 +5 VDC +5 VDC
2 DC ground DC ground
P3 & P4 – Key Receptacle Interface
Pinout Pin Function Voltage
1 N/C N/C
2 +5 VDC +5 VDC
3 DC ground DC ground
4 N/C N/C
5 Chip select +5 VDC – Key on
6 Data in (to key)  +5 VDC - On
7 SK (clock)  +5 VDC - On
8 Data out (from key)  +5 VDC - On
9 N/C N/C
10 Key in 0 VDC – key in receptacle