4. Register configuration
Table 9-6 shows the register configuration of timer C.
Table 9-6 Timer C Registers
Name
Abbrev.
TMC
R/W
R/W
R
Initial Value
H'18
Address
H'FFB4
H'FFB5
H'FFB5
H'FFFA
Timer mode register C
Timer counter C
Timer load register C
Clock stop register 1
TCC
H'00
TLC
W
H'00
CKSTPR1
R/W
H'FF
9.3.2
Register Descriptions
1. Timer mode register C (TMC)
Bit
7
TMC7
0
6
TMC6
0
5
TMC5
0
4
—
1
3
—
1
2
TMC2
0
1
0
TMC0
0
TMC1
0
Initial value
Read/Write
R/W
R/W
R/W
—
—
R/W
R/W
R/W
TMC is an 8-bit read/write register for selecting the auto-reload function and input clock, and
performing up/down-counter control.
Upon reset, TMC is initialized to H'18.
Bit 7: Auto-reload function select (TMC7)
Bit 7 selects whether timer C is used as an interval timer or auto-reload timer.
Bit 7
TMC7
Description
0
1
Interval timer function selected
Auto-reload function selected
(initial value)
191
ETC [ ETC ]
