UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 79
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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8-bit timer counter H1
<1> The count operation is enabled by setting the TMHE1 bit to 1. The count clock starts counting no more than
<2> When the values of 8-bit timer counter H1 and the CMP01 register match, the value of 8-bit timer counter H1
<3> The INTTMH1 signal and TOH1 output become inactive by clearing the TMHE1 bit to 0 during timer H1
Count clock
1 clock after the operation is enabled.
is cleared, the TOH1 output level is inverted, and the INTTMH1 signal is output.
operation. If these are inactive from the first, the level is retained.
INTTMH1
Remark 01H
CMP01
TMHE1
TOH1
Figure 6-7. Timing of Interval Timer/Square-Wave Output Operation (1/2)
<1>
00H
Count start
N
01H
FEH
(a) Basic operation (01H
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 6 8-BIT TIMER H1
match interrupt occurrence,
8-bit timer counter H1 clear
Level inversion,
N
N
<2>
Clear
00H
CMP01
01H
Interval time
FEH)
match interrupt occurrence,
8-bit timer counter H1 clear
Level inversion,
N
<2>
Clear
00H
01H 00H
<3>
79
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