HD404459 Datasheet, PDF (72/122 Pages) Renesas Technology Corp – 4-bit HMCS400-series microcomputers

HD404459 Series
• Timer mode register C2 (TMC2: $014): Three-bit read/write register that selects the timer C output
mode (figure 54). It is reset to $0 by MCU reset.
Timer mode register C2 (TMC2: $014)
Bit
Initial value
Read/Write
Bit name
3
2
—
0
—
R/W
Not used TMC22
1
0
R/W
TMC21
0
0
R/W
TMC20
TMC22 TMC21 TMC20
0
0
0
1
1
0
1
1
0
0
1
1
0
1
R3₁/TOC mode selection
R3₁
R3₁ port
TOC Toggle output
TOC 0 output
TOC 1 output
TOC Not used
TOC PWM output
Figure 54 Timer Mode Register C2 (TMC2)
• Timer write register C (TWCL: $00E, TWCU: $00F): Write-only register consisting of a lower digit
(TWCL) and an upper digit (TWCU) (figures 55 and 56). The operation of timer write register C is
basically the same as that of timer write register B (TWBL: $00A, TWBU: $00B).
Timer write register C (lower digit) (TWCL: $00E)
Bit
Initial value
Read/Write
Bit name
3
0
W
TWCL3
2
0
W
TWCL2
1
0
W
TWCL1
0
0
W
TWCL0
Figure 55 Timer Write Register C Lower Digit (TWCL)
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