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Writing data figure 2, Cascading multiple devices figure 3 – Rainbow Electronics DS1667 User Manual

Page 4

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DS1667

021492 4/11

WRITING DATA Figure 2

RST

DQ

CLK

I/O SR

WIPER 0 & 1
STACK SELECT

PREVIOUS VALUE

NEW VALUE

NEW CONTROL REG.

+0, 1

+0

DON’T CARE

DON’T CARE

BIT 16

BIT 15

BIT 14

BIT 0

PREVIOUS

CONTROL

REG.

CASCADING MULTIPLE DEVICES Figure 3

DS1667

#1

DS1667

#2

DS1667

#3

DQ

DQ

DQ

C

OUT

C

OUT

C

OUT

OPTIONAL FEEDBACK
RESISTOR FOR READING DATA