Renesas H8 Series Hardware Manual page 358

Section 9 Timers
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 Bit 6
AHEGS1 AHEGS0
0 0
1
1 0
1
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 Bit 4
ALEGS1 ALEGS0
0 0
1
1 0
1
Bits 3 and 2—IRQAEC Edge Select
Bits 3 and 2 select rising, falling, or both edge sensing for the IRQAEC pin.
Bit 3 Bit 2
AIEGS1 AIEGS0
0 0
1
1 0
1
Rev. 7.00 Mar 10, 2005 page 316 of 652
REJ09B0042-0700
Description
Falling edge on AEVH pin is sensed
Rising edge on AEVH pin is sensed
Both edges on AEVH pin are sensed
Use prohibited
Description
Falling edge on AEVL pin is sensed
Rising edge on AEVL pin is sensed
Both edges on AEVL pin are sensed
Use prohibited
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)