A-1
InterfaceSignals A

TableA-1 lists SBus interface signals and their corresponding pin numbers.

TableA-1 SBus Interface Signals
Pin No. Description PinNo. Description PinNo. Description
1 GND 16 INT (4)* 31 PA(4)
2 BR* 17 D(19) 32 LERR*
3 SEL* 18 D (21) 33 PA(6)
4 INT (1)* 19 D(23) 34 PA(8)
5 D (0) 20 INT (5)* 35 PA (10)
6 D (2) 21 D (25) 36 ACK (0)*
7 D (4) 22 D (27) 37 PA (12)
8 INT (2)* 23 D(29) 38 PA(14)
9 D (6) 24 INT (6)* 39 PA (16)
10 D (8) 25 D (31) 40 ACK (1)*
11 D(10) 26 SIZ(0) 41 PA(18)
12 INT(3)* 27 SIZ (2) 42 PA(20)
13 D(12) 28 INT(7)* 43 PA (22)
14 D (14) 29 PA (0) 44 ACK (2)*
15 D(16) 30 PA(2) 45 PA (24)