Datasheet

Data Sheet ADM1275

Rev. D | Page 45 of 48

Bits Bit Name Settings Description

1 GPO2_EN 0

Default. GPO/

ALERT2 is configured as an SMBAlert output.

GPO/

ALERT2 is configured as a general-purpose output.

0 GPO2_DATA 0

Default. Sets GPO/

ALERT2 low when configured as a general-purpose output.

Sets GPO/

ALERT2 high when configured as a general-purpose output.

DEVICE_CONFIG

Code: 0xD8, read/write byte. Value after reset: 0x00.

Table 40. Bit Descriptions for DEVICE_CONFIG Command

Bits Bit Name Settings Description

7 OC_GLITCH_TIME 0

Default. The long duration glitch filter is used when a severe overcurrent fault is

detected.

The short duration glitch filter is used when a severe overcurrent fault is detected.

6 FLB_DISABLE 0 Default. Foldback is enabled and can affect the hot-swap current sense limit.

Foldback is disabled and does not affect the hot-swap current sense limit. This setting

can be useful if the sole purpose of the FLB pin is to act as a power-good input.

5 OPERATION_CMD_EN 0

Default. The OPERATION command is disabled, and the ADM1275 issues a NACK if

the command is received. This setting provides some protection against a card

accidentally turning itself off.

1 The OPERATION command is enabled, and the ADM1275 responds to it.

4 IOUT_WARN2_SELECT 0 Default. Configures IOUT_WARN2_LIMIT as an undercurrent threshold.

1 Configures IOUT_WARN2_LIMIT as an overcurrent threshold.

[3:0] Reserved 0000 Always reads as 0000.

POWER_CYCLE

Code: 0xD9, send byte, no data.