UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 523
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) HALT mode release
internal high-speed oscillation clock,
The HALT mode can be released by the following two sources.
(a) Release by unmasked interrupt request
When an unmasked interrupt request is generated, the HALT mode is released. If interrupt acknowledgment
is enabled, vectored interrupt servicing is carried out. If interrupt acknowledgment is disabled, the next
address instruction is executed.
Note The wait time is as follows:
Remark The broken lines indicate the case when the interrupt request which has released the standby
High-speed system clock,
• When vectored interrupt servicing is carried out:
• When vectored interrupt servicing is not carried out: 2 or 3 clocks
or subsystem clock
mode is acknowledged.
Status of CPU
release signal
Figure 21-3. HALT Mode Release by Interrupt Request Generation
Standby
Normal operation
CHAPTER 21 STANDBY FUNCTION
User’s Manual U17260EJ6V0UD
instruction
HALT
HALT mode
Interrupt
request
Oscillation
8 or 9 clocks
Wait
Note
Normal operation
523
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