H838024 datasheet(355/697 Pages) RENESAS

355 / 697 page

Section 9 Timers

Rev. 7.00 Mar 10, 2005 page 313 of 652

REJ09B0042-0700

Pin Configuration

Table 9.18 shows the asynchronous event counter pin configuration.

Table 9.18

Pin Configuration

Name

Abbr.

I/O

Function

Asynchronous event input H

AEVH

Input

Event input pin for input to event counter H

Asynchronous event input L

AEVL

Input

Event input pin for input to event counter L

Event input enable interrupt input

IRQAEC

Input

Input pin for interrupt enabling event input

Table 9.19 shows the register configuration of the asynchronous event counter.

Table 9.19

Asynchronous Event Counter Registers

Name

Abbr.

R/W

Initial Value

Address

Event counter PWM compare register H ECPWCRH

R/W

H'FF

H'FF8C

Event counter PWM compare register L ECPWCRL

R/W

H'FF

H'FF8D

Event counter PWM data register H

ECPWDRH

H'00

H'FF8E

Event counter PWM data register L

ECPWDRL

H'00

H'FF8F

Input pin edge select register

AEGSR

R/W

H'00

H'FF92

Event counter control register

ECCR

R/W

H'00

H'FF94

Event counter control/status register

ECCSR

R/W

H'00

H'FF95

Event counter H

ECH

H'00

H'FF96

Event counter L

ECL

H'00

H'FF97

Clock stop register 2

CKSTPR2

R/W

H'FF

H'FFFB

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