Chapter 4 Timer Functions
7
–
TM3MD
86
Timer Function Control Registers
(2) Timer 3 mode register (TM3MD)
6
5
4
3
–
–
TM3EN
TM3PWM
Figure 4-9-14 Timer 3 Mode Register (TM3MD: X'03F83', R/W)
2
1
0
TM3CK2
TM3CK1
TM3CK0
(at reset: ---00XXX)
Clock source selection
TM3CK2
TM3CK1
TM3CK0
0
fosc
0
1
fs/4
0
0
fs/16
1
1
TM3IO input
0
x
Cascade connection with timer 2
1
1
1
Synchronous TM3IO input
P13 output selection
TM3PWM
during TM2 PWM operation
0
Timer 3 output
1
Timer 2 PWM output
TM3EN
TM3 count control
0
Halt the count
1
Operate the count