UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 265

• 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: FF89H
RTCC0
Symbol
Note RCLOE0 and RCLOE2 must not be enabled at the same time.
Caution If RCLOE0 and RCLOE1 are changed when RTCE = 1, a pulse with a narrow width may be
Remark
After changing the values of CT2 to CT0, clear the interrupt request flag.
RCLOE0
RCLOE1
To change the value of AMPM, set RWAIT (bit 0 of RTCC1) to 1, and re-set the hour count register (HOUR).
Table 9-2 shows the displayed time digits that are displayed.
AMPM
RTCE
RTCE
CT2
generated on the 32.768 kHz and 1 Hz output signals.
<7>
After reset: 00H
0
1
0
1
0
1
0
1
0
0
0
0
1
1
1
: don’t care
Figure 9-3. Format of Real-Time Counter Control Register 0 (RTCC0)
Note
Stops counter operation.
Starts counter operation.
Disables output of RTC1HZ pin (1 Hz).
Enables output of RTC1HZ pin (1 Hz).
Disables output of RTCCL pin (32.768 kHz).
Enables output of RTCCL pin (32.768 kHz).
12-hour system (a.m. and p.m. are displayed.)
24-hour system
CT1
0
0
1
1
0
0
1
6
0
R/W
CHAPTER 9 REAL-TIME COUNTER
RCLOE1
CT0
<5>
0
1
0
1
0
1
User’s Manual U18698EJ1V0UD
Does not use constant-period interrupt function.
Once per 0.5 s (synchronized with second count up)
Once per 1 s (same time as second count up)
Once per 1 m (second 00 of every minute)
Once per 1 hour (minute 00 and second 00 of every hour)
Once per 1 day (hour 00, minute 00, and second 00 of every day)
Once per 1 month (Day 1, hour 00 a.m., minute 00, and second 00 of
every month)
RCLOE0
Real-time counter operation control
<4>
Selection of 12-/24-hour system
RTC1HZ pin output control
RTCCL pin output control
Constant-period interrupt (INTRTC) selection
AMPM
3
CT2
2
CT1
1
CT0
0
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