NEC PD754144 - Manual (Page 135)

CHAPTER 6 PERIPHERAL HARDWARE FUNCTION
135 User’s Manual U10676EJ3V0UM
Figure 6-31. Setting of Timer Counter Mode Register (1/3)
(a) Timer counter (channel 0)
7 6 5 4 3 2 1 0
Count pulse (CP) select bit
0 Note 0 Note TM03 TM02 TM04 TM05 TM06 –
Address
TM0 FA0H
Symbol
TM06 Count pulse (CP) TM05
1 f
X
/2 10 0
f X /2 8 0 1
1 1
1 f
X
/2 4 1
Setting prohibited
f X /2 6
Other
TM04
0
1
0
1
TM03
Clears counter and IRQT0 flag when "1" is written. Starts count operation
if bit 2 is set to "1".
Timer start command bit
Operation mode
TM02
0
1
Stops (count value retained)
Count operation
Count operation
Note Be sure to clear bits 0 and 1 to 0 when setting data to TM0.