UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 136

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

136
Cautions 1. When TMHE1 = 1, setting the other bits of the TMHMD1 register is prohibited.
Remarks 1. f
2. f
3. Figures in parentheses apply to operation at f
2. In the PWM output mode, be sure to set 8-bit timer H compare register 11 (CMP11) when
Symbol
TMHMD1
Address: FF70H
XP
RL
starting the timer count operation (TMHE1 = 1) after the timer count operation was stopped
(TMHE1 = 0) (be sure to set again even if setting the same value to the CMP11 register).
: Oscillation frequency of clock to peripheral hardware
: Low-speed internal oscillation clock oscillation frequency
Figure 8-4. Format of 8-bit Timer H Mode Register 1 (TMHMD1)
TMMD11
TOLEV1
TMHE1
TMHE1
TOEN1
CKS12
Other than above
<7>
0
1
0
0
0
0
1
1
0
1
0
1
0
1
Other than above
After reset: 00H
TMMD10
Stop timer count operation (counter is cleared to 0)
Enable timer count operation (count operation started by inputting clock)
Low level
High level
Disable output
Enable output
CKS12
CKS11
0
0
0
0
1
1
0
0
6
CHAPTER 8 8-BIT TIMER H1
User’s Manual U16898EJ5V0UD
Interval timer 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
XP
XP
XP
XP
XP
RL
Timer output control
Timer operation enable
/2
/2
/2
/2
/2
4
2
4
6
12
7
XP
Timer operation mode
(10 MHz)
(2.5 MHz)
(625 kHz)
(156.25 kHz)
(2.44 kHz)
(1.88 kHz (TYP.))
= 10 MHz, f
Count clock (f
TMMD11 TMMD10 TOLEV1
3
RL
CNT
2
= 240 kHz (TYP.).
) selection
<1>
TOEN1
<0>