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MSM80C154S/83C154S/85C154HVS
202
PC/DATA
P1
VCC
P2 P3
PORT 2
N
PC8~15
RA8~15
(DPH)
Figure 5-9 Port 2 address output equivalent circuit for external memory
Table 5-4 Port 2 pin table
PORT2 Accumulator bit Address
1 P2.0 ACC.0
PC
RA
–8
2 P2.1 ACC.1
PC
RA
–9
3 P2.2 ACC.2
PC
RA
–10
4 P2.3 ACC.3
PC
RA
–11
5 P2.4 ACC.4
PC
RA
–12
6 P2.5 ACC.5
PC
RA
–13
7 P2.6 ACC.6
PC
RA
–14
8 P2.7 ACC.7
PC
RA
–15