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WM8232 Datasheet(PDF) 67 Page - Cirrus Logic

Part # WM8232
Description  105MSPS 3-Channel AFE with Sensor
PDF  141 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8232 Datasheet(HTML) 67 Page - Cirrus Logic

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WM8232
Rev 4.6
67
EXTENDED PAGE REGISTERS
R432 (1B0h) User access control
0
0
0
0
0
0
0
USER_KEY
00h
R436 (1B4h) LDO2 control
0
0
0
LDO2 VSEL
10h
R448 (1C0h) USER_KEY2
0
0
0
0
0
0
0
USER_KEY2
00h
R459 (1CBh) Comp control
0
0
0
0
0
0
PT_COMP[1:0]
01h
Notes:
1.
To change the LDO2 control, the USER_KEY bit must be set to ‘1’.
2.
If it’s not required to change this register, it must be set as default.
3.
To change the Comp control, the USER_KEY2 bit must be set to
‘1’.
4.
If it’s not required to change this register, must be set as default.
REGISTER BITS BY ADDRESS
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R0 (00h)
Software
Reset/Chip
ID 1
7:0
SW_RESET_
CHIP_ID[7:0]
0011_0010
A write issues a software reset, and returns all control
registers to their default values.
A read returns lower bits of the device ID
Register 00h Software Reset/Chip ID 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R1 (01h)
Chip ID 2
7:0
CHIP_ID[7:0]
1000_0010
A read returns upper bits of the device ID
Register 01h Chip ID 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R2 (02h)
Chip Rev
3:0
CHIP_REV[3:0]
0000
A read returns the device revision number
Register 02h Chip Rev
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R3 (03h)
Setup Reg 1
4
CHZPD
0
ADC powerdown control for channel 3
(related PGA and digits goes power down)
0 = normal operation
1 = power down



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