HD6473887 Datasheet, PDF (208/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

4. Register configuration
Table 9-6 shows the register configuration of timer C.
Table 9-6 Timer C Registers
Name
Timer mode register C
Timer counter C
Timer load register C
Clock stop register 1
Abbrev.
R/W
TMC
R/W
TCC
R
TLC
W
CKSTPR1 R/W
Initial Value
H'18
H'00
H'00
H'FF
Address
H'FFB4
H'FFB5
H'FFB5
H'FFFA
9.3.2 Register Descriptions
1. Timer mode register C (TMC)
Bit
7
6
5
4
TMC7 TMC6 TMC5
—
Initial value
0
0
0
1
Read/Write
R/W
R/W
R/W
—
3
2
1
0
— TMC2 TMC1 TMC0
1
0
0
0
—
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
0
1
Description
Interval timer function selected
Auto-reload function selected
(initial value)
191