STGAP1AS datasheet(52/70 Pages) STMICROELECTRONICS

52 / 70 page

Programming manual

STGAP1AS

52/70

DocID029344 Rev 2

9.2

Registers and flags description

All device features can be configured through a set of 8-bit long registers.

There are three different types of registers:



Local registers are located on the low voltage side



Remote registers are located on the isolated side



Shared registers are located both on the low voltage and isolated side and the value of

the two copies is kept synchronized.

A map of the user registers is shown in Table 22.

Table 22. Registers map

Name

Side

(1)

Structure

[7]

[6]

[5]

[4]

[3]

[2]

[1]

[0]

CFG1

CRC_SPI UVLOD_EN SD_FLAG DIAG_EN

DTset

INfilter

CFG2

SENSEth

DESATcur

DESATth

CFG3

2LTOth

2LTOtime

CFG4

OVLO_EN UVLOlatch

VLONth

VHONth

CFG5

2LTO_EN CLAMP_EN DESAT_EN SENSE_EN

STATUS1

OVLOH

OVLOL

DESAT

SENSE

UVLOH

UVLOL

TSD

TWN

STATUS2

REGERRR

ASC

STATUS3

DT_ERR

SPI_ERR

REGERRL

OVLOD

UVLOD

TEST1

GOFFCHK GONCHK

DESCHK

SNSCHK

RCHK

DIAG1CFG

DIAG1_7

DIAG1_6

DIAG1_5

DIAG1_4

DIAG1_3

DIAG1_2

DIAG1_1

DIAG1_0

DIAG2CFG

DIAG2_7

DIAG2_6

DIAG2_5

DIAG2_4

DIAG2_3

DIAG2_2

DIAG2_1

DIAG2_0

1. R: remote (isolated side), L: local (low voltage side).

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