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Receive side ac timing figure 14–4 – Rainbow Electronics DS2154 User Manual

Page 62

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DS2154

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MOTOROLA BUS AC TIMING (BTS=1/MUX=1) Figure 14–3

AS

DS

R/W

AD0-AD7
(READ)

CS

AD0-AD7
(WRITE)

PW

ASH

PW

EL

t

CYC

t

RWS

t

ASD

t

RWH

t

DDR

t

DHR

t

CH

t

CS

t

AHL

t

ASL

t

DHW

t

DSW

t

AHL

t

ASL

t

ASED

PW

EH

RECEIVE SIDE AC TIMING Figure 14–4

RCLK

RSER/RDATA/RSIG

RCHCLK

RCHBLK

RFSYNC/RMSYNC

RSYNC

1

RLCLK

2

RLINK

t

D1

t

D2

t

D2

t

D2

t

D2

t

D2

t

D1

MSB OF

CHANNEL 1

Sa4 TO Sa8

BIT POSITION

NOTES:

1. RSYNC is in the output mode (RCR1.5=0).

2. RLCLK will only pulse high during Sa bit locations as defined in RCR2; no relationship between RLCLK and

RSYNC or RFSYNC is implied.