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WM8802 데이터시트 PDF




Wolfson Microelectronics에서 제조한 전자 부품 WM8802은 전자 산업 및 응용 분야에서
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부품번호 WM8802 기능
기능 Digital Audio Interface Transceiver
제조업체 Wolfson Microelectronics
로고 Wolfson Microelectronics 로고


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WM8802 데이터시트, 핀배열, 회로
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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
W
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




WM8802 pdf, 반도체, 판매, 대치품
WM8802
Product Preview
PIN DESCRIPTION
PIN NAME
TYPE
DESCRIPTION
1
RXOUT
Digital Output Input bi-phase selection data output pin
2 RX0 Digital Input1 TTL-compatible digital data input pin
3 RX1 Digital Input Coaxial-compatible digital data input pin with built-in amplifier
4 RX2 Digital Input1 TTL-compatible digital data input pin
5 RX3 Digital Input1 TTL-compatible digital data input pin
6
DGND
Supply
Digital GND
7
DVDD
Supply
Digital power supply
8 RX4 Digital Input1 TTL-compatible digital data input pin
9
RX5/VI
Digital Input1 TTL-compatible digital data. Validity flag input pin for modulation.
10
RX6/UI
Digital Input1 TTL-compatible digital data. User data input pin for modulation.
11 DVDD
Supply
PLL digital power supply
12 DGND
Supply
PLL digital GND
13 LPF Analogue Output PLL loop filter connection pin
14 AVDD
Supply
PLL analog power supply
15 AGND
Supply
PLL analog GND
16
RMCK
Digital Output R system clock output pin (256fs, 512fs, XIN, VCO)
17
RBCK
Digital Output/Input R bit clock input/output pin (64fs)
18 DGND
Supply
Digital GND
19 DVDD
Supply
Digital power supply
20
RLRCK
Digital Output/Input R LR clock input/output pin (fs)
21
RDATA
Digital Output Serial audio data input pin
22
SBCK
Digital Output S bit clock output pin (32fs, 64fs, 128fs)
23
SLRCK
Digital Output S LR clock output pin (fs/2, fs, 2fs)
24
SDIN
Digital Input1 Serial audio data input pin
25 DGND
Supply
Digital GND
26 DVDD
Supply
Digital power supply
27
XMCK
Analogue Output Oscillation amplifier output pin
28
XOUT
Analogue Output Crystal resonator connection output pin
29
XIN
Analogue Input
Crystal resonator connection, external supply clock input pin (24.576 MHz or
12.288 MHz)
30 DVDD
Supply
Digital power supply
31 DGND
Supply
Digital GND
32 EMPH/UO Digital Input/Output Emphasis information, U data output. Chip address setting pin2.
33 AUDIO/VO Digital Input/Output Non-PCM output, V flag output. Chip address setting pin2.
34
CKST
Digital Input/Output
Clock switch transition period signal.
function switch pin3.
Demodulation master or slave
35
INT
Digital Input/Output
Micro-controller interrupt output. Modulation or general-purpose I/O switch
pin4.
36
RERR
Digital Output PLL clock error, data error flag output
37 DO Digital Output Micro-controller I/F read data output pin (3-state)
38 DI Digital Input1 Micro-controller I/F write data input pin
39 CE Digital Input1 Micro-controller I/F chip enable input pin
40 CL Digital Input Micro-controller I/F clock input pin
41
XMODE
Digital Input1 System reset input pin
42 DGND
Supply
Digital GND
43 DVDD
Supply
Digital power supply
44 TMCK/GPIO0 Digital Input/Output Modulation 256fs system clock input. General-purpose I/O input/output pin.
w
PP Rev 1.1 April 2004
4

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WM8802 전자부품, 판매, 대치품
Product Preview
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply voltage
Input voltage range 1
Input voltage range 2
Operating temperature
Notes:
SYMBOL
AVDD, DVDD
VIN1
VIN2
Vopq
TEST CONDITIONS
1
2
MIN
3.0
0
0
-30
1. RX1, RBCK, RLRCK, XIN pins
TMCK/GPIO0, TBCK/GPIO1, TLRCK/GPIO2, TDATA/GPIO3, TXO/GPIOEN pins
2. RX0, RX2, RX3, RX4, RX5/VI, RX6/UI pins
SDIN, DI, CE, CL, XMODE pins
ELECTRICAL CHARACTERISTICS
DC CHARACTERISTICS
Test Conditions
DC Characteristics at Ta = 25oC, AVDD = DVDD = 3.3V, AGND = DGND = 0V
PARAMETER
SYMBOL TEST CONDITIONS
MIN
Input, High
VIH 1 0.7VDD
Input, Low
VIL
Input, High
Input, Low
VIH 2 2.0
VIL 0.3
Output, High
VOH 3 VDD0.8
Output, Low
VOL
Output, High
Output, Low
VOH 4 VDD0.8
VOL
Output, High
VOH 5 VDD0.8
Output, Low
VOL
Output, High
Output, Low
VOH 6 VDD0.8
VOL
Input amplitude
VPP 7 200
Consumption current
VDD1
8
Consumption current
VDD1
9
Consumption current
VDD1
10
TYP
3.3
3.3
3.3
-
TYP
1.7
17
19
WM8802
MAX
3.6
3.6
5.5
70
UNIT
V
V
V
oC
MAX
0.2VDD
5.8
0.8
0.4
0.4
0.4
0.4
3.4
34
38
UNIT
V
V
V
V
V
V
V
V
V
V
V
V
mV
mA
mA
mA
Notes:
1. CMOS levels: RX1, RBCK, RLRCK, XIN pins
2. TTL levels: Pins other than those listed above
3. IOH = 12mA, IOL = 8mA: RMCK pin
4. IOH = 8mA, IOL = 8mA: XMCK, XOUT pins
5. IOH = 4mA, IOL = 4mA: RXOUT, RBCK, RLRCK, RDATA, SBCK pins
SLRCK, TMCK/GPIO0, TBCK/GPIO1, TLRCK/GPIO2 pins
TDATA/GPIO3, TXO/GPIOEN pins
6. IOH = 2mA, IOL = 2mA: Pins other than those listed above
7. Before capacitance of RX1 input pin
8. Demodulation function and oscillation amplifier stopped, modulation only, output sampling frequency = 96kHz
9. XIN continuous 24.576MHz oscillation, demodulation only, input sampling frequency = 96kHz
10. XIN continuous 24.576MHz oscillation, modulation, input/output sampling frequency = 96kHz
w
PP Rev 1.1 April 2004
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
WM8802

Digital Audio Interface Transceiver

Wolfson Microelectronics
Wolfson Microelectronics
WM8803

DIGITAL AUDIO INTERFACE RECEIVER

Wolfson Microelectronics plc
Wolfson Microelectronics plc

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