SM5302A

NIPPON PRECISION CIRCUITS INC.—13

1st byte: slave address

The ADS pin can set one of three slave addresses. Note that D0 must be “0 (Write)”.

The 2nd byte sets the subaddress, selecting one of three registers.

3rd byte: control data

The 3rd byte control data sets the register flags corresponding to the subaddress selected by 2nd byte. The flags

assigned are shown in the following table.

ADS

1st byte: slave address

HEX

D7

D6

D5

D4

D3

D2

D1

D0

L

90h

1001000

0 (W)

H

92h

1001001

0 (W)

2nd byte: subaddress

94h

1001010

0 (W)

Register name

2nd byte: subaddress

HEX

D7

D6

D5

D4

D3

D2

D1

D0

FCSET

01h

00000001

CONDITION1

02h

00000010

CONDITION2

03h

00000011

Register name

3rd byte: control data

D7

D6

D5

D4

D3

D2

D1

D0

FCSET

FCM

FC6

FC5

FC4

FC3

FC2

FC1

FC0

CONDITION1

CB5

CB4

CB3

CB2

CB1

CB0

−

GS

CONDITION2

PD

MUX

HALF

BYPASS

−

NCA

−−