PD17225_15 Datasheet, PDF (44/86 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

µPD17225, 17226, 17227, 17228
7.2.2 IEG
This pin selects the interrupt edge to be detected on the INT pin.
When this flag is “0”, the interrupt is detected at the rising edge; when it is “1”, the interrupt is detected at the falling
edge.
3
2
0
0
1
0
Address On reset
R/W
0
IEG
RF : 1FH
0H
R/W
IEG INT Pin Interrupt Detection Edge Selection
0
Rising edge of INT pin
1
Falling edge of INT pin
7.2.3 Interrupt enable flag
This flag enables each interrupt source. When this flag is “1”, the corresponding interrupt is enabled; when it is “0”,
the interrupt is disabled.
3
2
1
0
Address On reset
R/W
0
IPBTM
IP
IPTM
RF : 2FH
0H
R/W
IPTM
0
1
8-Bit Timer Interrupt Enable Flag
Disables interrupt acceptance by 8-bit timer
Enables interrupt acceptance by 8-bit timer
IP
INT Pin Interrupt Enable Flag
0
Disables interrupt acceptance by INT pin input
1
Enables interrupt acceptance by INT pin input
IPBTM
0
1
Basic Interval Timer Interrupt Enable Flag
Disables interrupt acceptance by basic interval timer
Enables interrupt acceptance by basic interval timer
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Data Sheet U12643EJ2V0DS00