HD4074344 Datasheet, PDF (45/100 Pages) Hitachi Semiconductor – 4-bit microcomputers

HD404344R Series/HD404394 Series
Port mode register B (PMRB: $024)
Bit
Initial value
Read/Write
Bit name
3
2
1
0
0
—
—
0
W
—
—
W
PMRB3 Not used Not used PMRB0
PMRB3 D₄/STOPC Mode Selection
0
D₄
1 STOPC
PMRB0
0
1
D₀/INT₀ /EVNB Mode Selection
D₀
INT₀ /EVNB
Figure 20 Port Mode Register B (PMRB)
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