WM8234 Datasheet, PDF (5/15 Pages) Wolfson Microelectronics plc – 70MSPS 6-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output

WM8234
Product Brief
PIN DESCRIPTION
PIN
NAME
Type
DESCRIPTION
1
VREF2C Analogue output Mid reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
2
VRLC
Analogue I/O Reference voltage input/output
3
VREF3C Analogue output Lower reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
4
VREF1C Analogue output Upper reference voltage.
This pin must be connected to AGND via a decoupling capacitor.
5
SEN
Digital input Enables the serial interface when high.
6
SDO
Digital output Serial interface data output
7
SCK
Digital input Serial interface clock
8
SDI
Digital input Serial interface data input
9
LDO2VDD
Supply
Analogue supply
10
LDO2GND
Supply
Analogue ground
11
LDO2VOUT
Supply
LDO output
This pin must be connected to AGND via a decoupling capacitor.
12
DSLCT2
Analogue input Device select 2
13
MCLK
Analogue input Master clock
14
DSLCT1
Analogue input Device select 1
15
D5N/OP[9]
LVDS output LVDS Data output 5 – Negative / CMOS output 11
16
D5P/OP[8]
LVDS output LVDS Data output 5 – Positive / CMOS output 10
17
D4N/OP[7]
LVDS output LVDS Data output 4 – Negative / CMOS output 9
18
D4P/OP[6]
LVDS output LVDS Data output 4 – Positive / CMOS output 8
19
DCLKN/OC[2] LVDS output LVDS Clock Output – Negative/ CMOS clock output 2
20
DCLKP/OC[1] LVDS output LVDS Clock Output – Positive/ CMOS clock output 1
21
DBGND
Supply
Analogue ground
22
DBVDD
Supply
Analogue supply
23
D3N/OP[5]
LVDS output LVDS Data output 3 – Negative / CMOS output 5
24
D3P/OP[4]
LVDS output LVDS Data output 3 – Positive / CMOS output 4
25
D2N/OP[3]
LVDS output LVDS Data output 2 – Negative / CMOS output 3
26
D2P/OP[2]
LVDS output LVDS Data output 2 – Positive / CMOS output 2
27
D1N/OP[1]
LVDS output LVDS Data output 1 – Negative / CMOS output 1
28
D1P/OP[0]
LVDS output LVDS Data output 1 – Positive / CMOS output 0
29
HZCTRL
Digital input Internal use only. Must be connected to AGND.
30
MON
Analogue output Clock monitor
31
LDO1VOUT
Supply
LDO output.
This pin must be connected to AGND via a decoupling capacitor.
32
LDO1GND
Supply
Analogue ground
33
LDO1VDD
Supply
Analogue supply
34
TGSYNC
Digital input Sensor Timing Sync pulse from host
35
CLK1
Digital output Sensor Timing Output 1
36
CLK2
Digital output Sensor Timing Output 2
37
CLK3
Digital output Sensor Timing Output 3
38
CLK4
Digital output Sensor Timing Output 4
39
CLK5
Digital output Sensor Timing Output 5
40
CLK6
Digital output Sensor Timing Output 6
41
CLK7
Digital output Sensor Timing Output 7
42
CLK8
Digital output Sensor Timing Output 8
43
AGND3
Supply
Analogue ground
44
CLK9
Digital output Sensor Timing Output 9
45
CLK10
Digital output Sensor Timing Output 10
46
CLK11
Digital output Sensor Timing Output 11
47
AGND2
Supply
Analogue ground
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Product Brief, Rev 3.0, February 2012
5