HD404639R Datasheet, PDF (51/135 Pages) Renesas Technology Corp – 4-Bit Single-Chip Microcomputer

Port mode register C (PMRC: $025)
Bit
Initial value
Read/Write
Bit name
3
2
0
0
W
W
PMRC3 PMRC2^*
1
0
W
PMRC1
0
0
W
PMRC0
HD404639R Series
PMRC0
0
1
R3₃/EVNB mode selection
R3₃
EVNB
PMRC1
0
1
R4₀/EVND mode selection
R4₀
EVND
PMRC2
0
1
D₁₂/STOPC mode selection
D₁₂
STOPC
PMRC3
0
1
D₁₃/INT₀ mode selection
D₁₃
INT₀
Note: PMRC2 is reset to 0 only by RESET input. When STOPC is input in stop
mode, PMRC2 is not reset but retains its value.
Figure 29 Port Mode Register C (PMRC )
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