UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 274

• 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

274
Address: FF87H
ALARMWH
(15) Alarm hour register (ALARMWH)
Symbol
Caution
Caution Bit 5 (WH20) of ALARMWH indicates AM(0)/PM(1) if AMPM = 0 (if the 12-hour system is
This register is used to set hours of alarm.
ALARMWH can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 12H.
selected).
Set a decimal value of 00 to 23, 01 to 12, or 21 to 32 to this register in BCD code. If a value
outside the range is set, the alarm is not detected.
After reset: 12H
7
0
Figure 9-16. Format of Alarm Hour Register (ALARMWH)
6
0
R/W
CHAPTER 9 REAL-TIME COUNTER
WH20
5
User’s Manual U18698EJ1V0UD
WH10
4
WH8
3
WH4
2
WH2
1
WH1
0