UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 261

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

• Checking reset source
Figure 16-6. Example of Software Processing After Release of Reset (2/2)
Reset processing by
low-voltage detector
Check reset source
WDTRF of RESF
LVIRF of RESF
register = 1?
register = 1?
CHAPTER 16 LOW-VOLTAGE DETECTOR
No
Yes
User’s Manual U16898EJ5V0UD
Yes
No
Power-on-clear/external
Reset processing by
reset generated
watchdog timer
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