113
CHAPTER 5 PERIPHERAL HARDWARE FUNCTIONS
Figure 5-31. Timer Counter Mode Register (Channel 1) Format
Address
FA8H
76
TM16
5
TM15
4
TM14
3
TM13
2
TM12
1
0
Symbol
TM1
TM13
Timer start indication bit
When 1 is written into the bit, the counter and IRQT1 flag are cleared.
If bit 2 is set to 1, count operation is started.
TM12
0
1
Operation mode
Stop (retention of count contents)
Count operation
Count operation
Other than above
Other than above
When f
X

= 4.19 MHz

TM15
0
0
1
1
TM16
1
1
1
1
TM14
0
1
0
1
f
X
/2
12
(1.02 kHz)
f
X
/2
10
(4.09 kHz)
f
X
/2
8
(16.4 kHz)
f
X
/2
6
(65.5 kHz)
Not to be set
Count pulse (CP)

Count pulse (CP) select bit

When f
X

= 6.00 MHz

TM15
0
0
1
1
TM16
1
1
1
1
TM14
0
1
0
1
f
X
/2
12
(1.46 kHz)
f
X
/2
10
(5.86 kHz)
f
X
/2
8
(23.4 kHz)
f
X
/2
6
(93.8 kHz)
Not to be set
Count pulse (CP)