AD7771 datasheet(95/99 Pages) AD

95 / 99 page

AD7771

Data Sheet

Rev. 0 | Page 94 of 98

GENERAL ERRORS REGISTER 2

Address: 0x05B, Reset: 0x00, Name: GEN_ERR_REG_2

DRegCap power s upply error

Res et detected

AReg2Cap power s upply error

Clock not s witched over

AReg1Cap power s upply error

[7:6] RESERVED

[0] DLDO_PSM_ERR (R)

[5] RESET_DETECTED (R)

[1] ALDO2_PSM_ERR (R)

[4] EXT_MCLK_SWITCH_ERR (R)

[2] ALDO1_PSM_ERR (R)

[3] RESERVED

Table 134. Bit Descriptions for GEN_ERR_REG_2

Bits

Bit Name

Settings

Description

Reset

Access

[7:6]

RESERVED

Reserved

0x0

RESET_DETECTED

Reset Detected

0x0

EXT_MCLK_SWITCH_ERR

Clock Not Switched Over

0x0

RESERVED

Reserved

0x0

ALDO1_PSM_ERR

AREG1CAP Power Supply Error

0x0

ALDO2_PSM_ERR

AREG2CAP Power Supply Error

0x0

DLDO_PSM_ERR

DREGCAP Power Supply Error

0x0

GENERAL ERRORS REGISTER 2 ENABLE

Address: 0x05C, Reset: 0x3C, Name: GEN_ERR_REG_2_EN

LDO PSM trip tes t enable

11: 11 - Run trip detect tes t on DRegCap.

10: 10 - Run trip detect tes t on AReg2Cap.

1: 01 - Run trip detect tes t on AReg1Cap.

0: 00 - No trip detect test enabled.

Reset detect enable

LDO PSM test EN

11:

on all LDOs.

11 - Run power supply m onitor tes t

10:

on DRegCap.

10 - Run power supply m onitor tes t

on ARegxCap.

01 - Run power supply m onitor tes t

enabled.

00 - No power s upply monitor tes t

[7:6] RESERVED

[1:0] LDO_PSM_TRIP_TEST_EN (R/W)

[5] RESET_DETECT_EN (R/W)

[3:2] LDO_PSM_test_EN (R/W)

[4] RESERVED

Table 135. Bit Descriptions for GEN_ERR_REG_2_EN

Bits

Bit Name

Settings

Description

Reset

Access

[7:6]

RESERVED

Reserved

0x0

RESET_DETECT_EN

Reset Detect Enable

0x1

R/W

RESERVED

Reserved

0x1

R/W

[3:2]

LDO_PSM_TEST_EN

LDO PSM Test Enable

0x3

R/W

00—No power supply monitor test enabled

01—Run power supply monitor test on AREGxCAP

10—Run power supply monitor test on DREGCAP

11—Run power supply monitor test on all LDOs

[1:0]

LDO_PSM_TRIP_TEST_EN

LDO PSM Trip Test Enable

0x0

R/W

00—No trip detect test enabled

01—Run trip detect test on AREG1CAP

10—Run trip detect test on AREG2CAP

11—Run trip detect test on DREGCAP

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