HD6473847RHV Datasheet, PDF (269/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

φ
PSS
ECCR
Section 9 Timers
IRREC
ECCSR
φ/2
φ/4, φ/8
AEVH Edge sensing circuit
AEVL Edge sensing circuit
IRQAEC
Edge sensing circuit
OVH
ECH
(8 bits) CK
OVL
ECL
(8 bits) CK
ECPWCRH
To CPU interrupt
(IRREC2)
ECPWCRL
φ/2, φ/4,
φ/8, φ/16,
φ/32, φ/64
PWM waveform generator
ECPWDRH
ECPWDRL
AEGSR
Legend:
ECPWCRH: Event counter PWM compare register H
ECPWDRH: Event counter PWM data register H
AEGSR: Input pin edge select register
ECCSR: Event counter control/status register
ECL:
Event counter L
ECPWCRL: Event counter PWM compare register L
ECPWDRL: Event counter PWM data register L
ECCR:
Event counter control register
ECH:
Event counter H
Figure 9.7 Block Diagram of Asynchronous Event Counter
Rev. 7.00 Mar. 08, 2010 Page 237 of 510
REJ09B0024-0700