UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 273

• 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

Address: FF82H
Address: FF86H
ALARMWM
SUBCUD
(13) Watch error correction register (SUBCUD)
(14) Alarm minute register (ALARMWM)
Symbol
Symbol
Caution
This register is used to correct the count value of the sub-count register (RSUBC).
SUBCUD can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
This register is used to set minutes of alarm.
ALARMWM can be set by an 8-bit memory manipulation instruction.
Reset signal generation clears this register to 00H.
When (F6, F5, F4, F3, F2, F1, F0) = (*, 0, 0, 0, 0, 0, *), the watch error is not corrected.
/F5 to /F0 are the inverted values of the corresponding bits (000011 when 111100).
DEV
DEV
Set a decimal value of 00 to 59 to this register in BCD code. If a value outside the range is
set, the alarm is not detected.
F6
After reset: 00H
After reset: 00H
7
0
1
0
1
7
0
Figure 9-14. Format of Watch Error Correction Register (SUBCUD)
Corrects watch error when the second digits are at 00, 20, or 40.
Corrects watch error only when the second digits are at 00.
Increases by {(F5, F4, F3, F2, F1, F0) – 1}
Decreases by {(/F5, /F4, /F3, /F2, /F1, /F0) + 1}
Figure 9-15. Format of Alarm Minute Register (ALARMWM)
WM40
F6
6
6
R/W
R/W
CHAPTER 9 REAL-TIME COUNTER
WM20
F5
5
5
User’s Manual U18698EJ1V0UD
Setting of watch error correction method
Setting of watch error correction timing
WM10
F4
4
4
2.
WM8
F3
2.
3
3
WM4
F2
2
2
WM2
F1
1
1
WM1
F0
0
0
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