WM8195 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8195 Datasheet PDF : 33 Pages
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Production Data
WM8195
PIN
NAME
TYPE
DESCRIPTION
31
OP[7]
Digital I/O
See pins 21 to 23 for details.
32
OP[8]
Digital I/O
33
OP[9]
Digital I/O
34
OP[10]
Digital I/O
35
DVDD3
Supply
Digital I/O supply (3.3V/5V).
36
DGND4
Supply
Digital ground (0V).
37
OP[11]
Digital I/O
See pins 21 to 23 for details.
38
OP[12]
39 OP[13]/SDO
Digital I/O
Digital I/O
If the device has been configured to use the serial interface, pin OP[13]/SDO may
be used to output register read-back data when OEB = 0 and SEN has been
pulsed high.
See Serial Interface sections in Device Description for further details.
40
DGND5
Supply
Digital ground (0V).
41
NC
No connection.
42
NRESET
Digital input Reset input, active low. This signal forces a reset of all internal registers and selects
whether the serial or parallel control interface is used. See pin SEN/STB.
43
AVDD1
Supply
Analogue supply (5V).
44
AVDD2
Supply
Analogue supply (5V).
45
AGND5
Supply
Analogue ground (0V).
46
AGND6
Supply
Analogue ground (0V).
47
VRB
Analogue output Lower reference voltage. This pin must be capacitively decoupled to AGND.
48
VRT
Analogue output Lower reference voltage. This pin must be capacitively decoupled to AGND.
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PD Rev 4.1 July 2005
5
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