NEC PD754144 - Manual (Page 136)

CHAPTER 6 PERIPHERAL HARDWARE FUNCTION
136
User’s Manual U10676EJ3V0UM
Figure 6-31. Setting of Timer Counter Mode Register (2/3)
(b) Timer counter (channel 1)
7 6 5 4 3 2 1 0
TM10 TM11 TM13 TM12 TM14 TM15 TM16 –
Address
TM1 FA8H
Symbol
TM13
Clears counter and IRQT1 flag when "1" is written. Starts count operation
if bit 2 is set to "1".
Timer start command bit
Operation mode
TM12
0
1
Stops (count value retained)
Count operation
Count operation
Count pulse (CP) select bit
TM16 Count pulse (CP) TM15
0 Overflow of timer counter (channel 2) 1
f X /2 5 1 0
0 1
1 f
X
/2 10 0
f X /2 8
f X /2 12
TM14
0
1
0
1
1 1 0
f
X
/2 6 1 1 1
Operation mode select bit
TM11
0 8-bit timer counter mode
Mode TM10
0
Setting prohibited Other