XR10910 datasheet(7/19 Pages) EXAR | 16:1 Sensor Interface

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XR10910 датащи(PDF) 7 Page - Exar Corporation

номер детали	XR10910

подробное описание детали	16:1 Sensor Interface

PDF	19 Pages

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производитель	EXAR [Exar Corporation]

домашняя страница	http://www.exar.com

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Rev 1B

XR10910

Register Information

Digital Part Control Register

Reg No.

Name

Function

R/

W/

C

Byte of

Parameter

Parameter

Default

Code

Power-up

Condition

Remark

Hex

Dec

0x00

0

NOP

No operation

C

0

N/A

Does not execute a function. NOP is used to

test successful I2C communication

Reset

0x01

1

SW_RESET

Software reset

C

0

N/A

Resets all registers to default values

Read ID

0x02

2

DEVICE_ID

Read Device ID

R

2

[15:0]: report “0910” in

BCD

0x0910

Instructs the XR10910 to report its device ID

“0910” in binary form (0000 1001 0001 0000)

0x03

3

VERSION_ID

Read HW & SW

version numbers

R

2

[15:12]: reserved

[11:8]: Hardware version #

[7:0]: Software version #

N/A

Initial H/W version number is ‘0’;

Initial S/W version number is ‘01’.

Sleep in/out

0x04

4

SLEEP_OUT_

REG

Normal operating

mode, system active

C

0

N/A

Active

Puts the XR10190 into active mode. (wake

up)

0x05

5

SLEEP_IN_

REG

Sleep Mode

C

0

N/A

Active

Puts the analog portion of the XR10910 into

sleep mode.

During sleep mode, the only I2C command

that can be received/processed is the

SLEEP_OUT command (0x04). All other

register addresses will be ignored.

Basic Config

0x06

6

Gain

Gain select

R/W

1

[2:0]: Gain select

0x00

Gain = 2

Eight gain settings are selectable (from 2V/V

to 760V/V), refer to the Gain Register Table

for more information.

0x07

7

LDO

LDO Settings

R/W

1

[0]:LDO 3V, 2.65V

[1]:LDO disable

0x00

LDO = 3V

Bit 0 controls the LDO voltage (0:3V;1:2.65V).

Bit 1 (Sleep Mode only). Bit 1 controls whether

the LDO shuts down or stays on during Sleep

Mode. (0: Enable; 1: Disable). When the

XR10910 is active, the LDO is always on.

0x08

8

LDO Current

Sense Select

LDO Current Sense

C

0

N/A

Off

When on, the LDO current is sensed and a

proportional voltage is present at the output

of the XR10910.

Current Sense Mode remains active until

an input select command is received by the

XR10910.

Channel Switch (Input Mux Select)

0x10

16

Select_Input_1

Select Channel 1

C

0

N/A

Channel 1

is selected

Select +IN1, -IN1; Channel 1

0x11

17

Select_Input_2

Select Channel 2

C

0

Select +IN2, -IN2; Channel 2

0x12

18

Select_Input_3

Select Channel 3

C

0

Select +IN3, -IN3; Channel 3

0x13

19

Select_Input_4

Select Channel 4

C

0

Select +IN4, -IN4; Channel 4

0x14

20

Select_Input_5

Select Channel 5

C

0

Select +IN5, -IN5; Channel 5

0x15

21

Select_Input_6

Select Channel 6

C

0

Select +IN6, -IN6; Channel 6

0x16

22

Select_Input_7

Select Channel 7

C

0

Select +IN7, -IN7; Channel 7

0x17

23

Select_Input_8

Select Channel 8

C

0

Select +IN8, -IN8; Channel 8

0x18

24

Select_Input_9

Select Channel 9

C

0

Select +IN9, -IN9; Channel 9

0x19

25

Select_Input_10 Select Channel 10

C

0

Select +IN10, -IN10; Channel 10

0x1A

26

Select_Input_11 Select Channel 11

C

0

Select +IN11, -IN11; Channel 11

0x1B

27

Select_Input_12 Select Channel 12

C

0

Select +IN12, -IN12; Channel 12

0x1C

28

Select_Input_13 Select Channel 13

C

0

Select +IN13, -IN13; Channel 13

0x1D

29

Select_Input_14 Select Channel 14

C

0

Select +IN14, -IN14; Channel 14

0x1E

30

Select_Input_15 Select Channel 15

C

0

Select +IN15, -IN15; Channel 15

0x1F

31

Select_Input_16 Select Channel 16

C

0

Select +IN16, -IN16; Channel 16

Note: Register Numbers not listed above have no function.

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