UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 246

• 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

246
Cautions 1. When TMHE0 = 1, setting the other bits of TMHMD0 is prohibited. However, TMHMD0 can be
Remarks 1. f
Address: FFFAH
Symbol
TMHMD1
2. TMC506: Bit 6 of 8-bit timer mode control register 50 (TMC50)
2. In the PWM output mode, be sure to set 8-bit timer H compare register 10 (CMP10) when
TMMD11
TOLEV1
TMC501: Bit 1 of TMC50
TMHE1
TMHE1
TOEN1
CKS12
PRS
refreshed (the same value is written).
starting the timer count operation (TMHE0 = 1) after the timer count operation was stopped
(TMHE0 = 0) (be sure to set again even if setting the same value to CMP10).
<7>
0
1
0
0
0
0
1
1
1
1
0
0
1
0
0
1
0
1
: Peripheral hardware clock frequency
After reset: 00H
Figure 9-6. Format of 8-Bit Timer H Mode Register 1 (TMHMD1)
Stops timer count operation (Counter is cleared to 0)
Enables timer count operation (Count operation started by inputting clock)
Low level
High level
Disables output
Enables output
TMMD10
CKS12
CKS11
0
0
1
1
0
0
1
1
0
1
0
0
6
Interval timer mode
Carrier generator mode
PWM output mode
Setting prohibited
CKS10
CKS11
CHAPTER 9 8-BIT TIMERS H0 AND H1
0
1
0
1
0
1
0
1
5
R/W
Timer output level control (in default mode)
User’s Manual U17554EJ4V0UD
f
f
f
f
f
f
f
f
PRS
PRS
PRS
PRS
PRS
RL
RL
RL
CKS10
/2
/2
/2
/2
/2
/2
7
9
4
Timer operation enable
2
4
6
12
Timer output control
4 MHz
1 MHz
500 kHz
62.5 kHz
0.97 kHz
1.88 kHz (TYP.)
0.47 kHz (TYP.)
240 kHz (TYP.)
Timer operation mode
TMMD11
f
PRS
MHz
3
= 4
Count clock selection
8 MHz
2 MHz
1 MHz
125 kHz
1.95 kHz
TMMD10
f
PRS
MHz
2
= 8
625 kHz
2.44 kHz
10 MHz
2.5 MHz
156.25 kHz 312.5 kHz
TOLEV1
f
PRS
MHz
<1>
= 10
20 MHz
5 MHz
1.25 MHz
4.88 kHz
f
TOEN1
PRS
MHz
<0>
= 20