AD7770 datasheet(75/98 Pages) AD

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AD7770

Data Sheet

Rev. C | Page 74 of 97

GLOBAL DIAGNOSTICS MUX REGISTER

Address: 0x016, Reset: 0x00, Name: GLOBAL_MUX_CONFIG

Global SAR diagnostics mux control

10101: AVSSx AVDD4. Attenuated.

10100: REF2+ AVSSx.

10011: REF1+ AVSSx.

...

00010: REF1P REF1N.

00001: DVBE AVSSx.

00000: AUXAin+ AUXAin-

[7:3] GLOBAL_MUX_CTRL (R/W)

[2:0] RESERVED

Table 67. Bit Descriptions for GLOBAL_MUX_CONFIG

Bits

Bit Name

Settings

Description

Reset

Access

[7:3]

GLOBAL_MUX_CTRL

Global SAR Diagnostics Mux Control.

0x0

R/W

00000

AUXAIN+/AUXAIN−.

00001

DVBE/AVSSx.

00010

REF1+/REF1−.

00011

REF2+/REF2−.

00100

REF_OUT/AVSSx.

00101

VCM/AVSSx.

00110

AREG1CAP/AVSSx.

00111

AREG2CAP/AVSSx.

01000

DREGCAP/DGND.

01001

AVDD1A/AVSSx.

01010

AVDD1B/AVSSx.

01011

AVDD2A/AVSSx.

01100

AVDD2B/AVSSx.

01101

IOVDD/DGND.

01110

AVDD4/AVSSx.

01111

DGND/AVSSx.

10000

DGND/AVSSx.

10001

DGND/AVSSx.

10010

AVDD4/AVSSx.

10011

REF1+/AVSSx.

10100

REF2+/AVSSx.

10101

AVSSx/AVDD4. Attenuated.

[2:0]

RESERVED

Reserved.

0x0

R/W

GPIO CONFIGURATION REGISTER

Address: 0x017, Reset: 0x00, Name: GPIO_CONFIG

GPIO input/output

[7:3] RESERVED

[2:0] GPIO_OP_EN (R/W)

Table 68. Bit Descriptions for GPIO_CONFIG

Bits

Bit Name

Settings

Description

Reset

Access

[7:3]

RESERVED

Reserved

0x0

R/W

[2:0]

GPIO_OP_EN

GPIO Input/Output

0x0

R/W

AD7770 Datasheet(PDF) 75 Page - Analog Devices

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