Datasheet
78K0/Kx2-L CHAPTER 8 8-BIT TIMERS H0 AND H1
R01UH0028EJ0400 Rev.4.00 342
Sep 27, 2010
Figure 8-6. Format of 8-Bit Timer H Mode Register 1 (TMHMD1)
TMHE1
Stops timer count operation (counter is cleared to 0)
Enables timer count operation (count operation started by inputting clock)
TMHE1
0
1
Timer operation enable
TMHMD1 CKS12 CKS11 CKS10 TMMD11 TMMD10 TOLEV1 TOEN1
Address: FF6CH After reset: 00H R/W
Interval timer mode
Carrier generator mode
PWM output mode
Setting prohibited
TMMD11
0
0
1
1
TMMD10
0
1
0
1
Timer operation mode
Low level
High level
TOLEV1
0
1
Timer output level control (in default mode)
Disables output
Enables output
TOEN1
0
1
Timer output control
<7>
6
5
4
3 2 <1>
<0>
CKS12
0
0
0
0
1
1
1
1
CKS11
0
0
1
1
0
0
1
1
CKS10
0
1
0
1
0
1
0
1
Count clock selection
Note
f
PRS
f
PRS
/2
2
f
PRS
/2
4
f
PRS
/2
6
f
PRS
/2
12
f
IL
/2
6
f
IL
/2
15
f
IL
f
PRS
= 2 MHz
2 MHz
500 kHz
125 kHz
31.25 kHz
0.49 kHz
0.47 kHz (TYP.)
0.92 Hz (TYP.)
30 kHz (TYP.)
f
PRS
= 5 MHz
5 MHz
1.25 MHz
312.5 kHz
78.13 kHz
1.22 kHz
f
PRS
= 10 MHz
10 MHz
2.5 MHz
625 kHz
156.25 kHz
2.44 kHz
Note If the peripheral hardware clock (fPRS) operates on the high-speed system clock (fXH) (XSEL = 1), the fPRS
operating frequency varies depending on the supply voltage.
• V
DD = 2.7 to 5.5 V: fPRS ≤ 10 MHz
• V
DD = 1.8 to 2.7 V: fPRS ≤ 5 MHz