185
3.
Pin configuration
Table 9-5 shows the timer C pin configuration.
Table 9-5 Pin Configuration
Name
Abbrev.
I/O
Function
Timer C event input
TMIC
Input
Input pin for event input to TCC
Timer C up/down-count selection
UD
Input
Timer C up/down select
4.
Register configuration
Table 9-6 shows the register configuration of timer C.
Table 9-6 Timer C Registers
Name
Abbrev.
R/W
Initial Value
Address
Timer mode register C
TMC
R/W
H'18
H'FFB4
Timer counter C
TCC
R
H'00
H'FFB5
Timer load register C
TLC
W
H'00
H'FFB5
Clock stop register 1
CKSTPR1
R/W
H'FF
H'FFFA
9.3.2 Register Descriptions
1.
Timer mode register C (TMC)
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
Initial value
Read/Write
7
TMC7
0
R/W
6
TMC6
0
R/W
5
TMC5
0
R/W
4
—
1
—
3
—
1
—
0
TMC0
0
R/W
2
TMC2
0
R/W
1
TMC1
0
R/W