SI3021 datasheet(40/54 Pages) ETC

40 / 54 page

Si 30 35

Rev. 1.2

Reset settings = N/A

Bit

D7D6D5D4D3D2

D1D0

Name

REVA

Type

R[3:0]

Bit

Name

Function

7:4

Reserved

Read returns zero.

3:0

REVA[3:0]

Chip Revision.

Four-bit value indicating the revision of the Si3021 (DSP-side) chip.

Bit

D7D6D5

D4D3D2D1D0

Name

CLE

FDT

LCS[3:0]

Type

R/W

Bit

Name

Function

7CLE

Communications (ISOcap Link) Error.

0 = ISOcap communication link between the Si3021 and the Si3012 is operating correctly.

1 = Indicates a communication problem between the Si3021 and the Si3012. A write of 0 or a

reset is required to clear this bit.

6FDT

Frame Detect.

0 = Indicates ISOcap link has not established frame lock.

1 = Indicates ISOcap link frame lock has been established.

5:4

Reserved

Read returns zero.

3:0

LCS[3:0]

Loop Current Sense.

Four-bit value returning the loop current in 6 mA increments.

0 = Loop current < 0.4 mA typical.

1111 = Loop current > 155 mA typical.

See “Loop Current Monitor” on page 25.

SI3021 Datasheet(PDF) 40 Page - List of Unclassifed Manufacturers

SI3021 Datasheet(HTML) 40 Page - List of Unclassifed Manufacturers

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

Datasheet Download

Link URL