HD404374 Datasheet, PDF (87/161 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip A/D Converter

HD404374/HD404384/HD404389/HD404082/HD404084 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 48 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 49 and
50).
Timer read register C (TRCL, TRCU) operation is similar to that for timer read register B (TRBL,
TRBU).
Timer read register C (lower) (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 49 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 50 Timer Read Register C (Upper) (TRCU)
Rev.5.00, Sep.11.2003, page 87 of 161