UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 78
UPD78F9502MA-CAC-A
Manufacturer Part Number
UPD78F9502MA-CAC-A
Description
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer
NEC
Datasheet
1.UPD78F9502MA-CAC-A.pdf
(229 pages)
Specifications of UPD78F9502MA-CAC-A
Controller Family/series
UPD78F
No. Of I/o's
8
Ram Memory Size
128Byte
Cpu Speed
10MHz
No. Of Timers
2
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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(1) Usage
78
TMHMD1
(2) Timing chart
Generates the INTTMH1 signal repeatedly at the same interval.
<1> Set each register.
<2> Count operation starts when TMHE1 = 1.
<3> When the values of 8-bit timer counter H1 and the CMP01 register match, the INTTMH1 signal is generated
<4> Subsequently, the INTTMH1 signal is generated at the same interval. To stop the count operation, clear
The timing of the interval timer/square-wave output operation is shown below.
(i)
(ii) CMP01 register setting
and 8-bit timer counter H1 is cleared to 00H.
TMHE1 to 0.
TMHE1
0
Setting timer H mode register 1 (TMHMD1)
Figure 6-6. Register Setting During Interval Timer/Square-Wave Output Operation
Compare value (N)
CKS12
0/1
CKS11
Interval time = (N +1)/f
0/1
CKS10
Preliminary User’s Manual U18681EJ1V0UD
0/1
CHAPTER 6 8-BIT TIMER H1
TMMD11
0
CNT
TMMD10 TOLEV1
0
0/1
TOEN1
0/1
Timer output setting
Timer output level inversion setting
Interval timer mode setting
Count clock (f
Count operation stopped
CNT
) selection
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