HD6433802H Datasheet, PDF (221/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Bits 7 and 6: AEC edge select H
Bits 7 and 6 select rising, falling, or both edge sensing for the AEVH pin.
Bit 7
AHEGS1
0
1
Bit 6
AHEGS0
0
1
0
1
Description
Falling edge on AEVH pin is sensed
Rising edge on AEVH pin is sensed
Both edges on AEVH pin are sensed
Use prohibited
Bits 5 and 4: AEC edge select L
Bits 5 and 4 select rising, falling, or both edge sensing for the AEVL pin.
Bit 5
ALEGS1
0
1
Bit 4
ALEGS0
0
1
0
1
Description
Falling edge on AEVL pin is sensed
Rising edge on AEVL pin is sensed
Both edges on AEVL pin are sensed
Use prohibited
Bits 3 and 2: IRQAEC edge select
Bits 3 and 2 select rising, falling, or both edge sensing for the IRQAEC pin.
Bit 3
AIEGS1
0
1
Bit 2
AIEGS0
0
1
0
1
Description
Falling edge on IRQAEC pin is sensed
Rising edge on IRQAEC pin is sensed
Both edges on IRQAEC pin are sensed
Use prohibited
(initial value)
(initial value)
(initial value)
203