UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 245
![8BIT MCU, 128K FLASH, 7K RAM, LQFP](/photos/19/1/190186/ge64lqfp05-40_sml.jpg)
UPD78F0890GK(A)-GAJ-AX
Manufacturer Part Number
UPD78F0890GK(A)-GAJ-AX
Description
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0890GKA-GAJ-AX.pdf
(732 pages)
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
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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
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