Timer Mode Registers; Operation - Panasonic F77G User Manual

Chapter 6 8-bit Timers
6-2-3

Timer Mode Registers

Timer mode register is readable/writable register that controls timers 0, 1, 4 and 5.
Timer 0 Mode Register (TM0MD)
7 6
TM0MD
-
Figure 6-2-9
VI - 10
Control Registers
5 4 3
- TM0PWM TM0EN
TM0MOD
Timer 0 Mode Register (TM0MD : x'03F54', R/W)
2 1 0
TM0CK2 TM0CK1 TM0CK0
( At reset : - - 0 0 0 0 0 0 )
TM0CK2 TM0CK1 TM0CK0 Clock source
0 fosc
- 0
1 tm0psc
fx
0
0
1 Synchronous fx
1
0 TM0IO input
1
1
Synchronous TM0IO input
TM0EN
Timer 0 count control
0 Disable the count
1 Enable the count
TM0PWM
Timer 0 operation mode
0 Normal timer operation
1 PWM operation
Pulse width
TM0MOD
measurement control
0 Normal timer operation
1 Measure the pulse width of P22/IRQ2
( prescaler output )