
TECHNICAL INFORMATION
RPC-150 Page 23
Edge connector
Line Signal Description
A +5 Power
B D0 Data 0
C D2 Data 2
D D4 Data 4
E D6 Data 6
F A0 Address A0
H A2 Address A2
J A4 Address A4
K A6 Address A6
L A8 Address A8
M A10 Address A10
N A12 Address A12
P A14 Address A14
R IWR* I/O write
S HOLD* CPU hold
T - not used
U INT0 Interrupt 0
V CLK CPU clock
W PS* Peripheral select
X + 12.7 Power
Y - not used
Z Gnd Power gr ound
1 +5V Power
2 D1 Data D1
3 D3 Data D3
4 D5 Data D5
5 D7 Data D7
6 A1 Address A1
7 A3 Address A3
8 A5 Address A5
9 A7 Address A7
10 A9 Address A9
11 A11 Address A11
12 A13 Address A13
13 A15 Address A15
14 IRD* I/O Read strobe
15 - not used
16 Sound Speaker port
17 - not used
18 RES* Reset input
19 INT1 Interrupt input
20 - not used
21 -12V Power
22 Ground Power ground
Serial Port pin out
Pin J1 J4
# Signal Signal
1 NC NC
2 RxD RxD
3 TxD TxD
4 NC NC
5 Gnd Gnd
6 NC NC
7 NC CTS
8 NC RTS
9 +5 +5
10 NC NC
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