HD6473847RHV Datasheet, PDF (274/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 9 Timers
Event Counter Control Register (ECCR): ECCR controls the counter input clock and
IRQAEC/IECPWM.
Initial
Bit
Bit Name Value R/W Description
7
ACKH1 0
R/W AEC Clock Select H
6
ACKH0 0
R/W Select the clock used by ECH.
00: AEVH pin input
01: φ/2
10: φ/4
11: φ/8
5
ACKL1 0
R/W AEC Clock Select L
4
ACKL0 0
R/W Select the clock used by ECL.
00: AEVL pin input
01: φ/2
10: φ/4
11: φ/8
3
PWCK2 0
R/W Event Counter PWM Clock Select
2
PWCK1 0
R/W Select the event counter PWM clock.
1
PWCK0 0
R/W 000: φ/2
001: φ/4
010: φ/8
011: φ/16
1X0: φ/32
1X1 φ/64
0
⎯
0
R/W Reserved
This bit can be read from or written to. However, this bit
should not be set to 1.
Legend: X: Don't care.
Rev. 7.00 Mar. 08, 2010 Page 242 of 510
REJ09B0024-0700