E202075_HD404889 Datasheet, PDF (102/202 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit

HD404889/HD404899/HD404878/HD404868 Series
Timer write register C (upper) (TWCU: $017)
Bit
Read/Write
Initial value on reset
Bit name
3
2
1
0
W
W
W
W
Undetermined Undetermined Undetermined Undetermined
TWCU3 TWCU2 TWCU1 TWCU0
Figure 51 Timer Write Register C (Upper) (TWCU)
• Timer read register C (TRCL: $016, TRCU: $017):
Timer read register C (TRCL, TRCU) is a read-only register composed of a lower digit (TRCL) and an
upper digit (TRCU) from which the value of the upper digit of timer C is read directly (figures 52 and
53).
Timer read register C (TRCL, TRCU) operation is similar to that for timer read register B (TRBL,
TRBU).
Timer read register C (upper) (TRCL: $016)
Bit
Read/Write
Initial value on reset
Bit name
3
2
1
0
R
R
R
R
Undetermined Undetermined Undetermined Undetermined
TRCL3 TRCL2 TRCL1 TRCL0
Figure 52 Timer Read Register C (Lower) (TRCL)
Timer read register C (upper) (TRCU: $017)
Bit
Read/Write
Initial value on reset
Bit name
3
2
1
0
R
R
R
R
Undetermined Undetermined Undetermined Undetermined
TRCU3 TRCU2 TRCU1 TRCU0
Figure 53 Timer Read Register C (Upper) (TRCU)
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