8802SC Datasheet PDF - WOLFSON
| Part Number | 8802SC | |
| Description | WM8802 | |
| Manufacturers | WOLFSON | |
| Logo |  |
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WM8802
Digital Audio Interface Transceiver
DESCRIPTION
The WM8802 is a digital audio interface transceiver
conforming to IEC 60958/61937 and EIAJ CP-1201. The
device supports data sampling input rates of up to 192 kHz.
Data input to the serial digital audio data input pin can also
be modulated. The WM8802 features up to 6 data inputs
and 1 data output.
Data can be demodulated using the on-board PLL or with
the use of an external clock source.
The WM8802 is controlled via a 4-wire CCB compatible
control interface. This interface provides access to the
channel status bits. The WM8802 also provides a number
of flag outputs including PCM data valid, de-emphasis, lock
and IEC 61937, DTS-CD/LD detection.
The device is available in a small 48-pin SQFP package.
FEATURES
• PLL circuit for synchronization with transferred input bi-
phase mark signal.
• Input sampling frequency: 32kHz to 192kHz
• Outputs clocks: fs, fs/2, 2fs, 32fs, 64fs, 128fs, 256fs,
384fs, and 512fs.
• 4-Wire CCB MPU Serial Control or Hardware Default
Interface
• Master or Slave Clocking Mode
• Programmable Audio Data Interface Modes
− I2S, Left, Right Justified
− 16/20/24/32 bit Word Lengths
• 3.3V Digital supply Operation
• 5V tolerant digital input ports
APPLICATIONS
• DVD Receivers
• AV Amplifiers
• DVD Recorders
BLOCK DIAGRAM
RXOUT
RX0
RX1
RX2
RX3
RX4
RX5/VI
RX6/UI
EMPH/UO AUDIO/VO
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WM8802
CBIT, UBIT
INPUT
SELECTOR
DEMODULATION
AND
LOCK DETECT
INT CL CE DI XMODE
MICROCONTROLLER
I/F
DATA
SELECTOR
DO
RERR
RDATA
SDIN
LPF
TMCLK/GPIO0
TBCLK/GPIO1
TLRCLK/GPIO2
TDATA/GPIO3
MODULATION
AND
PARALLEL PORT
PLL
CLOCK
SELECTOR
1/N
RMCK
RBCK
RLRCK
SBCK
SLRCK
TXO/GPIOEN
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
XIN XOUT XMCLK CKST
Product Preview, April 2004, Rev 1.1
Copyright 2004 Wolfson Microelectronics plc
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WM8802
PIN NAME
TYPE
DESCRIPTION
45 TBCK/GPIO1 Digital Input/Output Modulation 64fs bit clock input. General-purpose I/O input/output pin.
46 TLRCK/GPIO2 Digital Input/Output Modulation fs clock input. General-purpose I/O input/output pin.
47 TDATA/GPIO3 Digital Input/Output Modulation serial audio data input. General-purpose I/O input/output pin.
48 TXO/GPIOEN Digital Output/Input Modulation data output. General-purpose I/O enable input pin.
Notes:
1. Input/output I or O = −0.3 to 3.6V, except annotated pins: −0.3 to +5.5V
2. Pins 32 and 33 are latch address setting input pins when pin 41 = Low.
3. Pin 34 is the demodulation function master or slave setting input pin when pin 41 = Low.
4. Pin 35 is the modulation function or general-purpose I/O function switch setting input pin when pin 41 = Low.
5. Perform ON/OFF for all power supplies with the same timing as a latch-up countermeasure.
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PP Rev 1.1 April 2004
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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 8802SC electronic component. |
| Information | Total 65 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 8802SC.PDF Datasheet ] | |
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