UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 266
UPD78F0535GB(T)-UEU-A
Manufacturer Part Number
UPD78F0535GB(T)-UEU-A
Description
8BIT MCU, 60K FLASH, 3KB RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0535GBT-UEU-A.pdf
(773 pages)
Specifications of UPD78F0535GB(T)-UEU-A
Controller Family/series
UPD78
No. Of I/o's
55
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
60KB
Oscillator Type
External, Internal
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(2) Operation with CR5n changed
266
Count clock
INTTM5n
Caution When reading from CR5n between <1> and <2> in Figure 8-15, the value read differs from the
Count clock
INTTM5n
TCE5n
TM5n
CR5n
TO5n
TCE5n
TM5n
CR5n
TO5n
H
N N + 1 N + 2
actual value (read value: M, actual value of CR5n: N).
t
H
N N + 1 N + 2
t
N
(a) CR5n value is changed from N to M before clock rising edge of FFH
N
(b) CR5n value is changed from N to M after clock rising edge of FFH
→ Value is transferred to CR5n at overflow immediately after change.
<1> CR5n change (N → M)
→ Value is transferred to CR5n at second overflow.
<1> CR5n change (N → M)
CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50 AND 51
Figure 8-15. Timing of Operation with CR5n Changed
FFH 00H 01H
FFH 00H 01H
<2>
02H
N
02H
User’s Manual U17260EJ6V0UD
M
N N + 1 N + 2
M M + 1 M + 2
FFH 00H 01H 02H
<2>
FFH 00H 01H 02H
M
M M + 1 M + 2
M M + 1 M + 2
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