UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 262

• 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

9.1 Functions of Real-Time Counter
9.2 Configuration of Real-Time Counter
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The real-time counter has the following features.
The real-time counter includes the following hardware.
Control registers
Having counters of year, month, week, day, hour, minute, and second, and can count up to 99 years.
Constant-period interrupt function (period: 1 month to 0.5 seconds)
Alarm interrupt function (alarm: week, hour, minute)
Interval interrupt function
Pin output function of 1 Hz
Pin output function of 512 Hz or 16.384 kHz or 32.768 kHz
Item
Real-time counter clock selection register (RTCCL)
Real-time counter control register 0 (RTCC0)
Real-time counter control register 1 (RTCC1)
Real-time counter control register 2 (RTCC2)
Sub-count register (RSUBC)
Second count register (SEC)
Minute count register (MIN)
Hour count register (HOUR)
Day count register (DAY)
Week count register (WEEK)
Month count register (MONTH)
Year count register (YEAR)
Watch error correction register (SUBCUD)
Alarm minute register (ALARMWM)
Alarm hour register (ALARMWH)
Alarm week register (ALARMWW)
Table 9-1. Configuration of Real-Time Counter
CHAPTER 9 REAL-TIME COUNTER
User’s Manual U18698EJ1V0UD
Configuration