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WM8955BLGECO/V 数据表(PDF) 4 Page - Wolfson Microelectronics plc

部件名 WM8955BLGECO/V
功能描述  Stereo DAC For Portable Audio Applications
PDF  44 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8955BLGECO/V 数据表(HTML) 4 Page - Wolfson Microelectronics plc

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WM8955BL
Production Data
w
PD Rev 4.1 February 2007
4
PIN DESCRIPTION
PIN NO
NAME
TYPE
DESCRIPTION
1
MCLK
Digital Input
Master Clock
2
DCVDD
Supply
Digital Core Supply
3
DBVDD
Supply
Digital Buffer (I/O) Supply
4
DGND
Supply
Digital Ground (return path for both DCVDD and DBVDD)
5
BCLK
Digital Input / Output
Audio Interface Bit Clock
6
DACDAT
Digital Input
DAC Digital Audio Data
7
DACLRC
Digital Input / Output
Audio Interface Left / Right Clock
8
PLLGND
Supply
Internally connected to AGND. Connect this pin to AGND externally
for best PLL performance, or leave floating.
9
MONOOUT
Analogue Output
Mono Output
10
OUT3
Analogue Output
Output 3 (can be used as Headphone Pseudo Ground)
11
ROUT1
Analogue Output
Right Output 1 (Line or Headphone)
12
LOUT1
Analogue Output
Left Output 1 (Line or Headphone)
13
HPGND
Supply
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2)
14
ROUT2
Analogue Output
Right Output 2 (Line or Headphone or Earpiece)
15
LOUT2
Analogue Output
Left Output 2 (Line or Headphone or Earpiece)
16
HPVDD
Supply
Supply for Analogue Output Drivers (LOUT1/2, ROUT1/2, MONOUT)
17
AVDD
Supply
Analogue Supply
18
AGND
Supply
Analogue Ground (return path for AVDD)
19
VREF
Analogue Output
Reference Voltage Decoupling Capacitor
20
VMID
Analogue Output
Midrail Voltage Decoupling Capacitor
21
MONOIN-
Analogue Input
Negative end of MONOIN+, for differential mono signals
22
MONOIN+
Analogue Input
Analogue Line-in to mixers (mono channel)
23
LINEINR
Analogue Input
Analogue Line-in to mixers (right channel)
24
LINEINL
Analogue Input
Analogue Line-in to mixers (left channel)
25
MODE
Digital Input
Control Interface Selection
26
CSB
Digital Input
Chip Select / Device Address Selection
27
SDIN
Digital Input/Output
Control Interface Data Input / 2-wire Acknowledge output
28
SCLK
Digital Input
Control Interface Clock Input



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