HD404639R Datasheet, PDF (52/135 Pages) Renesas Technology Corp – 4-Bit Single-Chip Microcomputer

HD404639R Series
Port mode register B (PMRB: $024)
Bit
3
2
1
0
Initial value
Read/Write
Bit name
0
W
PMRB3
0
W
PMRB2
0
W
PMRB1
0
W
PMRB0
PMRB0
0
1
R0₀/INT₁ mode selection
R0₀
INT₁
PMRB1
0
1
R0₁/INT₂ mode selection
R0₁
INT₂
PMRB2
0
1
R0₂/INT₃ mode selection
R0₂
INT₃
PMRB3
0
1
R0₃/INT₄ mode selection
R0₃
INT₄
Figure 30 Port Mode Register B (PMRB)
Timer mode register B2 (TMB2: $013)
Bit
Initial value
Read/Write
Bit name
3
2
1
—
—
0
—
—
R/W
Not used Not used TMB21
0
0
R/W
TMB20
TMB21 TMB20
0
0
1
1
0
1
R3₀/TOB mode selection
R3₀
R3₀ port
TOB Toggle output
TOB 0 output
TOB 1 output
Figure 31 Timer Mode Register B2 (TMB2)
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