ADP1055ACPZ-R7 datasheet(104/140 Pages) AD

104 / 140 page

ADP1055

Data Sheet

Rev. A | Page 104 of 140

The GPIO1_FAULT_RESPONSE command instructs the device on the actions to take due to a GPIO1 fault condition. The device notifies

the host and sets the NONE_OF_THE_ABOVE bit in STATUS_BYTE register, the MFR_SPECIFIC bit in STATUS_WORD register, and

the GPIO1_FAULT bit in STATUS_MFR_SPECIFIC register.

Table 170. Register 0xFE39—GPIO1_FAULT_RESPONSE

Bits

Bit Name

R/W

Description

[7:6]

Response

R/W

Determines the device response to a GPIO1 fault condition.

Bit 7

Bit 6

Response

Do nothing.

Continue operation for the delay time (Bits[2:0]). If the fault persists, retry the

number of times specified by Bits[5:3].

Shut down, disable the output, and respond as programmed in the retry

setting (Bits[5:3]).

Disable the output while the fault is present. Operation resumes and the

output is enabled when the fault condition no longer exists.

[5:3]

Retry setting

R/W

Number of retry attempts following a fault condition. A fault condition can be cleared by a reset,

a power-off/power-on sequence, or a loss of bias power.

Bit 5

Bit 4

Bit 3

Number of Retries

Infinite

[2:0]

Delay time

R/W

Number of delay time units (see Register 0xFE3E).

The GPIO2_FAULT_RESPONSE command instructs the device on the actions to take due to a GPIO2 fault condition. The device notifies

the host and sets the NONE_OF_THE_ABOVE bit in STATUS_BYTE register, the MFR_SPECIFIC bit in STATUS_WORD register, and

the GPIO2_FAULT bit in STATUS_MFR_SPECIFIC register.

Table 171. Register 0xFE3A—GPIO2_FAULT_RESPONSE

Bits

Bit Name

R/W

Description

[7:6]

Response

R/W

Determines the device response to a GPIO2 fault condition.

Bit 7

Bit 6

Response

Do nothing.

Continue operation for the delay time (Bits[2:0]). If the fault persists, retry the

number of times specified by Bits[5:3].

Shut down, disable the output, and respond as programmed in the retry

setting (Bits[5:3]).

Disable the output while the fault is present. Operation resumes and the

output is enabled when the fault condition no longer exists.

[5:3]

Retry setting

R/W

Number of retry attempts following a fault condition. A fault condition can be cleared by a reset,

a power-off/power-on sequence, or a loss of bias power.

Bit 5

Bit 4

Bit 3

Number of Retries

Infinite

[2:0]

Delay time

R/W

Number of delay time units (see Register 0xFE3E).

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