UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 278

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

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Note Be sure to confirm that RWST = 0 before setting STOP mode.
Caution Complete the series of operations of setting RWAIT to 1 to clearing RWAIT to 0 within 1 second.
Remark SEC, MIN, HOUR, WEEK, DAY, MONTH, and YEAR may be written in any sequence.
All the registers do not have to be set and only some registers may be written.
No
No
Figure 9-20. Procedure for Writing Real-Time Counter
Writing MONTH
RWST = 0?
Writing HOUR
Writing WEEK
Writing YEAR
Writing SEC
Writing DAY
RWST = 1?
Writing MIN
RWAIT = 1
RWAIT = 0
CHAPTER 9 REAL-TIME COUNTER
Start
End
User’s Manual U18698EJ1V0UD
Yes
Yes
Note
Checks wait status of counter.
Stops SEC to YEAR counters.
Mode to read and write count values
Writes second count register.
Writes minute count register.
Writes hour count register.
Writes week count register.
Writes day count register.
Writes month count register.
Writes year count register.
Sets counter operation.