WM8591 Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM8591 Datasheet PDF : 51 Pages
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WM8591
PIN DESCRIPTION
Production Data
PIN
NAME
TYPE
DESCRIPTION
1
DI
Digital Input
Serial interface data
2
CL
Digital Input
Serial interface clock
3
ZFLAGR
Digital Output
Right channel zero flag output (external pull-up required)
(open drain)
4
ZFLAGL
Digital Output
Left channel zero flag output (external pull-up required)
(open drain)
5
ADCLRC
Digital Input/Output ADC left/right word clock
6
ADCBCLK Digital Input/Output ADC audio interface bit clock
7
ADCMCLK
Digital Input
Master ADC clock; 256, 384, 512 or 768fs (fs = word clock frequency)
8
DOUT
Digital Output
ADC data output
9
DACLRC
Digital Input/Output DAC left/right word clock
10
DACBCLK Digital Input/Output DAC audio interface bit clock
11
DACMCLK
Digital Input
Master DAC clock; 256, 384, 512, 768fs or 1152fs (fs = word clock
frequency)
12
DIN
Digital Input
DAC data input
13
DVDD
Supply
Digital positive supply
14
DGND
Supply
Digital negative supply
15
VOUTRP
Analogue Output DAC right channel positive output
16
VOUTRN
Analogue Output DAC right channel negative output
17
VOUTLP
Analogue Output DAC left channel positive output
18
VOUTLN
Analogue Output DAC left channel negative output
19
AGND
Supply
Analogue negative supply and substrate connection
20
REFN
Analogue Input Negative reference input
21
VMID
Analogue Output Midrail divider decoupling pin; must be externally decoupled
22
REFP
Analogue Input Positive reference input
23
AVDD
Supply
Analogue positive supply
24
NC
No Connection
25
AINL
Analogue Input Left channel input
26
NC
No Connection
27
AINR
Analogue Input Right channel input
28
CE
Digital Input
2-wire address select
Notes:
1. Digital input pins have Schmitt trigger input buffers.
w
PD Rev 4.0 December 2005
4
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