ICM7562/7542/7522

Rev. A6

ICmic reserves the right to change specifications without prior notice

6

C3 C2 C1 C0

DATA

(D11~D0)

(D9~D0)

(D7~D0)

DAC

FUNCTION

0

0

0

0

Data

A

Input Register transparent, data shifted to DAC register directly, VOA updated

0

0

0

1

Data

B

Input Register transparent, data shifted to DAC register directly, VOB updated

0

1

0

0

Data

A

Data Shifted to Input Register, VOA unchanged

0

1

0

1

Data

B

Data Shifted to Input Register, VOB unchanged

1

0

0

0

Data

A

Data Shifted from Input Register to DAC register, VOA updated

1

0

0

1

Data

B

Data Shifted from Input Register to DAC register, VOB updated

1

1

0

0

Data

All

Input Registers transparent, data shifted to DAC register directly, All VOUT updated

1

1

0

1

Data

All

Data Shifted to Input Registers, All VOUT unchanged

1

1

1

0

Data

All

Data Shifted from Input Registers to DAC registers, All VOUT updated

1

1

1

1

Data

All

Please see Power Down Mode Control Table

Table 1. Serial Interface Input Word

CONTROL

DATA

DAC

FUNCTION

C3 C2 C1 C0

D11~D5

D9~D3

D7~D1

D4

D2

D0

D3

D1

A3

D2

D0

A2

D1

A1

A1

D0 (7562)

A0 (7542)

A0 (7522)

1

1

1

1

X

0

X

0

0

0

A

DAC O/P, wakeup

1

1

1

1

X

0

X

0

0

1

A

Floating Output

1

1

1

1

X

0

X

0

1

0

A

Output is terminated with 1K

1

1

1

1

X

0

X

0

1

1

A

Output is terminated with100 K

1

1

1

1

X

0

X

1

0

0

B

DAC O/P, wakeup

1

1

1

1

X

0

X

1

0

1

B

Floating Output

1

1

1

1

X

0

X

1

1

0

B

Output is terminated with 1K

1

1

1

1

X

0

X

1

1

1

B

Output is terminated with100 K

1

1

1

1

X

1

X

0

0

0

All

DAC O/P, wakeup

1

1

1

1

X

1

X

0

0

1

All

Floating Output

1

1

1

1

X

1

X

0

1

0

All

Output is terminated with 1K

1

1

1

1

X

1

X

0

1

1

All

Output is terminated with100 K

Table 2. Power Down Mode Control