UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 245

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

Note When TM50 output as the count clock.
Address: FF69H
Symbol
TMHMD0
• Set to PWM mode (TMC506 = 1) after the following order to bellow.
<1>Set the count clock to make the duty = 50%.
<2>Start the operation of 8-bit timer/event counter 50.
• Set to Mode in which the count clock is cleared and started upon a match of TM50 and CR50 (TMC506 =
<1>Enable the timer F/F inversion operation (TMC501 = 1).
<2>Start the operation of 8-bit timer/event counter 50.
It is not necessary to enable the TO50 pin as a timer output pin in any mode.
0) after the following order to bellow.
TMMD01
TOLEV0
TMHE0
TMHE0
TOEN0
CKS02
Other than above
<7>
0
1
0
0
0
0
1
1
0
1
0
1
0
1
Other than above
After reset: 00H
Figure 9-5. Format of 8-Bit Timer H Mode Register 0 (TMHMD0)
Stops timer count operation (Counter is cleared to 0)
Enables timer count operation (Count operation started by inputting clock)
TMMD00
Low level
High level
Disables output
Enables output
CKS02
CKS01
0
0
1
1
0
0
0
0
6
Interval timer mode
PWM output mode
Setting prohibited
CKS00
CKS01
CHAPTER 9 8-BIT TIMERS H0 AND H1
0
1
0
1
0
1
R/W
5
Timer output level control (in default mode)
User’s Manual U17554EJ4V0UD
f
f
f
f
f
TM50 output
Setting prohibited
PRS
PRS
PRS
PRS
PRS
CKS00
/2
/2
/2
/2
4
Timer operation enable
2
6
10
Timer output control
Timer operation mode
4 MHz
2 MHz
1 MHz
62.5 kHz
3.90 kHz
TMMD01
Note
f
PRS
MHz
3
= 4
Count clock selection
8 MHz
4 MHz
2 MHz
125 kHz
7.81 kHz
TMMD00
f
PRS
MHz
2
= 8
10 MHz
5 MHz
2.5 MHz
9.77 kHz
156.25 kHz 312.5 kHz
TOLEV0
f
PRS
MHz
<1>
= 10
20 MHz
10 MHz
5 MHz
19.54 kHz
f
TOEN0
PRS
MHz
<0>
= 20
245