UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 97

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

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

7.4.4
the watchdog timer is the system clock (f
counting is started again using the operation clock before the operation was stopped. At this time, the counter is not
cleared to 0 but holds its value.
The watchdog timer stops counting during HALT instruction execution regardless of whether the operation clock of
Watchdog timer operation in HALT mode (when “low-speed internal oscillator can be stopped by
software” is selected by option byte)
CPU operation
Watchdog timer
f
X
or f
f
CPU
RL
Normal operation
Operating
Operation stopped
Figure 7-8. Operation in HALT Mode
X
HALT
Preliminary User’s Manual U18681EJ1V0UD
) or low-speed internal oscillation clock (f
CHAPTER 7 WATCHDOG TIMER
Normal operation
Operating
RL
). After HALT mode is released,
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