13
Table 3.11. The J9 Connector pin assignment.
PIN NO.
SIGNAL NAME
1
TCLK
2
TIN
3
DSCLK
4
TOUT
5
DSI
6
TXD
7
DSO
8
RXD
9
-BKPT
10
-RTS
11
+5 Volts
12
-CTS
13
Ground
14
+5 Volts
15
DDATA0
16
Ground
17
DDATA1
18
-IRQ0
19
DDATA2
20
-IRQ1
21
DDATA3
22
-IRQ2
23
+5 Volts
24
-IRQ3
25
Ground
26
Ground
27
MTMOD0/PST1
28
-CS0
29
MTMOD1/PST2
30
-HIZ/PST0
31
MTMOD2/PST3
32
BUSW
33
MTMOD3
34
-DTACK
35
-RESET
36
+5 Volts
37
Ground
38
-CS1
39
CLK
40
No Connect
3.7.8 The ISA Bus Connector P1
The SBC5204 can utilize the ISA Bus 16-bit I/O cards. The P1 connector is ISA Bus compatible
connector. Table 3.12 shows the pin assignment.