HD404449 Datasheet, PDF (49/123 Pages) Hitachi Semiconductor – HD404449 SERIES

Port mode register B (PMRB: $024)
Bit
3
2
1
0
Initial value
—
0
0
0
Read/Write
Bit name
—
W
W
W
Not used PMRB2 PMRB1 PMRB0
HD404449 Series
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
Figure 31 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 32 Timer Mode Register B2 (TMB2)
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