upd78f0114hgb-8es-a Renesas Electronics Corporation., upd78f0114hgb-8es-a Datasheet - Page 186

• Manufacturer Part Number: upd78f0114hgb-8es-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

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186
Note Be sure to set the count clock so that the following condition is satisfied.
Cautions 1. When the internal oscillation clock is selected as the clock to be supplied to the CPU, the
V
V
V
V
DD
DD
DD
DD
2. When TMHE1 = 1, setting the other bits of TMHMD1 is prohibited.
Address: FF6CH
TMHMD1
= 4.0 to 5.5 V: Count clock
= 3.3 to 4.0 V: Count clock
= 2.7 to 3.3 V: Count clock
= 2.5 to 2.7 V: Count clock
clock of the internal oscillator is divided and supplied as the count clock. If the count clock
is the internal oscillation clock, the operation of 8-bit timer H1 is not guaranteed (except
when CKS12, CKS11, CKS10 = 1, 0, 1 (f
Figure 8-6. Format of 8-Bit Timer H Mode Register 1 (TMHMD1)
TMMD11
TOLEV1
TMHE1
TOEN1
TMHE1
CKS12
<7>
0
1
0
0
0
0
1
1
0
0
1
1
0
1
0
1
Other than above
After reset: 00H
Stops timer count operation (counter is cleared to 0)
Enables timer count operation (count operation started by inputting clock)
TMMD10
Low level
High level
Disables output
Enables output
CKS12
CKS11
CHAPTER 8 8-BIT TIMERS H0 AND H1
0
1
0
1
0
0
1
1
0
0
6
10 MHz
8.38 MHz
5 MHz
2.5 MHz (standard products, (A) grade products only)
User’s Manual U16961EJ4V0UD
Interval timer mode
Carrier generator mode
PWM output mode
Setting prohibited
CKS10
CKS11
Timer output level control (in default mode)
0
1
0
1
0
1
5
R/W
Setting prohibited
CKS10
f
f
f
f
f
f
X
X
X
X
X
R
/2
/2
/2
/2
/2
Timer output control
Timer operation enable
R
4
2
4
6
12
7
/2
7
)).
Count clock (f
Timer operation mode
(10 MHz)
(2.5 MHz)
(625 kHz)
(156.25 kHz)
(2.44 kHz)
(1.88 kHz (TYP.))
TMMD11 TMMD10 TOLEV1
3
CNT
) selection
2
<1>
Note
TOEN1
<0>