WM8803 PDF даташит
Спецификация WM8803 изготовлена «Wolfson Microelectronics plc» и имеет функцию, называемую «DIGITAL AUDIO INTERFACE RECEIVER». |
|
Детали детали
Номер произв | WM8803 |
Описание | DIGITAL AUDIO INTERFACE RECEIVER |
Производители | Wolfson Microelectronics plc |
логотип |
30 Pages
No Preview Available ! |
w
WM8803
Digital Audio Interface Receiver
DESCRIPTION
The WM8803 is a digital audio interface receiver conforming
to IEC 60958/61937 and EIAJ CP-1201. It supports input
audio data rates up to 192kHz and a maximum output data
length of 24 bits.
The WM8803 has a flexible digital output port that allows the
user access to channel status pre-emphasis information, input
signal sampling frequency, sub-code Q data with the
associated CRC flags and other status data.
The WM8803 can output an externally input clock signal that
can be used as an ADC converter clock when the PLL is
unlocked. It also maintains the continuity of the output clock
when the clock is switched.
The WM8803 includes a built-in oscillator and serial data
input circuits and allows the system micro-controller to read
the sub-code Q data and the channel status. It provides
several low-power modes, thus supporting applications that
require long battery life, such as portable audio devices and
PDAs.
The device is available in a 24-pin TSSOP package.
FEATURES
• PLL circuit for synchronization with transferred input bi-
phase mark signal.
• Input sampling frequency: 32kHz to 192kHz
• Outputs clocks: fs, 64fs, and one of 128fs, 256fs, 384fs,
and 512fs.
• 4-Wire CCB MPU Serial Control or Hardware Default
Interface
• Master 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
• DVD-R/W Players
• Audio Video Receivers
• Portable Music Players
BLOCK DIAGRAM
DI CL CE
AUDIO PD
DO
E/INT
MICROCONTROLLER INTERFACE
W
WM8803
DVDD
DGND
UGPI
RXIN
DEMODULATION
AND LOCK
DETECTION
FS
CALCULATOR
DATA
BUFFER
C&U
ERROR
LPF
XIN
XOUT
PLL
AMP
CLOCK
SELECTOR
AVDD AGND
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
AUDIO
INTERFACE
SDIN
CLKOUT
BCLK
LRCLK
SDATO
Product Preview, September 2003, Rev 1.1
Copyright 2003 Wolfson Microelectronics plc
No Preview Available ! |
WM8803
TABLE OF CONTENTS
Product Preview
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
INPUT AND OUTPUT PIN CAPACITANCE................................................................... 6
DC CHARACTERISTICS............................................................................................... 6
SYSTEM TIMING REQUIREMENTS ............................................................................. 7
SERIAL INTERFACE TIMING REQUIREMENTS.......................................................... 7
MICRO-CONTROLLER INTERFACE TIMING REQUIREMENTS ................................. 8
DEVICE DESCRIPTION.........................................................................................9
_____
SYSTEM RESET (PD)................................................................................................... 9
LOW POWER MODES ................................................................................................. 9
CLOCKS...................................................................................................................... 11
DATA INPUT AND OUTPUT ....................................................................................... 17
ERROR OUTPUT AND PROCESSING (ERROR)....................................................... 22
CHANNEL STATUS DATA .......................................................................................... 24
__________
USER GENERAL PURPOSE INTERFACE OUTPUT PORT (UGPI)........................... 24
MICRO-CONTROLLER INTERFACE (E/INT, CE, CL, DI, DO) ...........................28
INTERRUPT OUTPUT (E/INT).................................................................................... 28
CCB ADDRESSES ...................................................................................................... 29
DATA WRITE PROCEDURE....................................................................................... 29
DATA READ PROCEDURE ........................................................................................ 29
I/O TIMING .................................................................................................................. 30
WRITE REGISTER TABLE ......................................................................................... 31
WRITE DATA DETAILED DOCUMENTATION............................................................ 32
READ REGISTER TABLE ........................................................................................... 37
READ DATA DETAILED DOCUMENTATION ............................................................. 38
SAMPLE APPLICATION......................................................................................41
RECOMMENDED EXTERNAL COMPONENTS ..................................................42
RECOMMENDED EXTERNAL COMPONENTS VALUES ........................................... 43
PACKAGE DIMENSIONS ....................................................................................44
IMPORTANT NOTICE ..........................................................................................45
ADDRESS: .................................................................................................................. 45
w
PP Rev 1.1 September 2003
2
No Preview Available ! |
Product Preview
PIN CONFIGURATION
XOUT
ERROR
PD
NC
CE
CL
DI
DO
E/INT
AUDIO
UGPI
RXIN
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
XIN
SDIN
SDATO
LRCLK
BCLK
CLKOUT
DGND
AGND
NC
LPF
AVDD
DVDD
WM8803
ORDERING INFORMATION
DEVICE
WM8803SCDT/V
TEMP. RANGE
-30 to +70oC
PACKAGE
24-pin TSSOP
w
PP Rev 1.1 September 2003
3
Скачать PDF:
[ WM8803.PDF Даташит ]
Номер в каталоге | Описание | Производители |
WM8802 | Digital Audio Interface Transceiver | Wolfson Microelectronics |
WM8803 | DIGITAL AUDIO INTERFACE RECEIVER | Wolfson Microelectronics plc |
WM8804 | 1:1 Digital Interface Transceiver | Wolfson Microelectronics |
WM8805 | 8:1 Digital Interface Transceiver | Wolfson Microelectronics |
Номер в каталоге | Описание | Производители |
TL431 | 100 мА, регулируемый прецизионный шунтирующий регулятор |
Unisonic Technologies |
IRF840 | 8 А, 500 В, N-канальный МОП-транзистор |
Vishay |
LM317 | Линейный стабилизатор напряжения, 1,5 А |
STMicroelectronics |
DataSheet26.com | 2020 | Контакты | Поиск |