UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 279
UPD78F0413GA-GAM-AX
Manufacturer Part Number
UPD78F0413GA-GAM-AX
Description
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer
NEC
Datasheet
1.UPD78F0413GA-GAM-AX.pdf
(562 pages)
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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9.4.3 Setting alarm of real-time counter
Set time of alarm when WALE = 0.
Remarks 1. ALARMWM, ALARMWH, and ALARMWW may be written in any sequence.
2. Fixed-cycle interrupts and alarm match interrupts use the same interrupt source (INTRTC). When
using these two types of interrupts at the same time, which interrupt occurred can be judged by
checking the fixed-cycle interrupt status flag (RIFG) and the alarm detection status flag (WAFG) upon
INTRTC occurrence.
Match detection of alarm
No
Setting ALARMWM
Setting ALARMWW
Setting ALARMWH
Alarm processing
INTRTC = 1?
WAFG = 1?
WALIE = 1
WALE = 0
WALE = 1
Figure 9-21. Alarm Setting Procedure
Start
CHAPTER 9 REAL-TIME COUNTER
Yes
Yes
User’s Manual U18698EJ1V0UD
No
Match operation of alarm is invalid.
Interrupt is generated when alarm matches.
Sets alarm minute register.
Sets alarm hour register.
Sets alarm week register.
Match operation of alarm is valid.
Constant-period interrupt servicing
279
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