ADGS1408/ADGS1409

Data Sheet

Rev. 0 | Page 30 of 34

REGISTER DETAILS

SWITCH DATA REGISTER

Address: 0x01, Reset: 0x00, Name: SW_DATA

The switch data register controls the status of the eight switches of the ADGS1408/ADGS1409, as well as the general-purpose digital

outputs. Use the ADGS1408/ADGS1409 truth tables in conjunction with the bit descriptions.

Table 14. Bit Descriptions for SW_DATA, ADGS1408

Bit(s)

Bit Name

Settings

Description

Default

Access

7

GPO4

Enable bit for GPO4.

0x0

R/W

6

GPO3

Enable bit for GPO3.

0x0

R/W

5

GPO2

Enable bit for GPO2.

0x0

R/W

4

GPO1

Enable bit for GPO1.

0x0

R/W

3

A2

Enable bit for A2.

0x0

R/W

2

A1

Enable bit for A1.

0x0

R/W

1

A0

Enable bit for A0.

0x0

R/W

0

EN

Enable bit for ADGS1408.

0x0

R/W

0

ADGS1408 disabled.

1

ADGS1408 enabled.

Table 15. Bit Descriptions for SW_DATA, ADGS1409

Bit(s)

Bit Name

Settings

Description

Default

Access

7

GPO5

Enable bit for GPO5.

0x0

R/W

6

GPO4

Enable bit for GPO4.

0x0

R/W

5

GPO3

Enable bit for GPO3.

0x0

R/W

4

GPO2

Enable bit for GPO2.

0x0

R/W

3

GPO1

Enable bit for GPO1.

0x0

R/W

2

A1

Enable bit for A1.

0x0

R/W

1

A0

Enable bit for A0.

0x0

R/W

0

EN

Enable bit for ADGS1409.

0x0

R/W

0

ADGS1409 disabled.

1

ADGS1409 enabled.

Table 16. ADGS1408 Truth Table1

A2

A1

A0

EN

On Switch

X

X

X

0

None

0

0

0

1

S1

0

0

1

1

S2

0

1

0

1

S3

0

1

1

1

S4

1

0

0

1

S5

1

0

1

1

S6

1

1

0

1

S7

1

1

1

1

S8

Table 17. ADGS1409 Truth Table1

A1

A0

EN

On Switch Pair

X

X

0

None

0

0

1

S1

0

1

1

S2

1

0

1

S3

1

1

1

S4