HD404369 Datasheet, PDF (65/117 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer

HD404369 Series
Port mode register B (PMRB: $024)
Bit
Initial value
Read/Write
Bit name
3
2
1
0
0
0
0
0
W
W
W
W
PMRB3* PMRB2 PMRB1 PMRB0
PMRB2 D₂/EVNB Mode Selection
0
D₂
1 EVNB
PMRB3 D₄/STOPC Mode Selection
0
D₄
1 STOPC
PMRB0
0
1
PMRB1
0
1
D₀/INT₀ Mode Selection
D₀
INT₀
D₁/INT₁ Mode Selection
D₁
INT₁
Note: * PMRB3 is reset to 0 only by RESET input. When STOPC is input in stop mode, PMRB3 is not
reset but retains its value.
Figure 46 Port Mode Register B (PMRB)
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