P9225-R Datasheet

© 2018 Integrated Device Technology, Inc.

24

November 12, 2018

Table 13. Interrupt Status Registers

Address and Bit

Register Field Name

R/W Default

Function and Description

0036HEX [7]

INT_Vout_Status

R

0BIN

“0” output voltage has not changed.

“1” output voltage changed.

0036HEX [6]

Reserved

R

0BIN

0036HEX [5]

Reserved

R

0BIN

0036HEX [4]

Reserved

R

0BIN

0036HEX [3]

Reserved

R

0BIN

0036HEX [2]

INT_OVER_TEMP_Status

R

0BIN

“1” indicates over-temperature condition exists.

0036HEX [1]

INT_VRECT_OV_Status

R

0BIN

“1” indicates rectifier over-voltage condition exists.

0036HEX [0]

INT_OC_Limit_Status

R

0BIN

“1” indicates current limit has been exceeded.

0037HEX [7:0]

Reserved

R

00HEX

Note: If any bit in the Interrupt Status register 36HEX is “1” and the corresponding bit in the Interrupt Enable register 38HEX is set to “1,” the

INT pin will be pulled down indicating an interrupt event has occurred.

Table 14. Interrupt Enable Registers

Address and Bit

Register Field Name

R/W Default

Function and Description

0038HEX [7]

Vout_Status_INT_EN

RW

0BIN

“0” disables the INT_Vout_Status interrupt.

"1" enables the interrupt.

0038HEX [6]

Reserved

R

0BIN

0038HEX [5]

Reserved

R

0BIN

0038HEX [4]

Reserved

R

0BIN

0038HEX [3]

Reserved

R

0BIN

0038HEX [2]

OVER_TEMP_INT_EN

RW

0BIN

“0” disables the INT_OVER_TEMP interrupt.

"1" enables the interrupt.

0038HEX [1]

VRECT_OV_INT_EN

RW

0BIN

“0” disables the INT_VRECT_OV interrupt.

"1" enables the interrupt.

0038HEX [0]

OC_Limit_Status_INT_EN

RW

0BIN

“0” disables the INT_OC_Limit_Status interrupt.

"1" enables the interrupt.

0039HEX [7:0]

Reserved

RW

00HEX