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WM8802SCFV 数据表(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8802SCFV 数据表(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 65 page  w WM8802 Digital Audio Interface Transceiver WOLFSON MICROELECTRONICS plc w :: www.wolfsonmicro.com Product Preview, April 2004, Rev 1.1 Copyright 2004 Wolfson Microelectronics plc 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 − I 2S, 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 DEMODULATION AND LOCK DETECT INPUT SELECTOR MICROCONTROLLER I/F DATA SELECTOR CBIT, UBIT 1/N MODULATION AND PARALLEL PORT PLL CLOCK SELECTOR W WM8802 EMPH/UO AUDIO/VO INT CL CE DI XMODE DO RERR RDATA SDIN RMCK RBCK RLRCK SBCK SLRCK RXOUT RX0 RX1 RX2 RX3 RX4 RX5/VI RX6/UI TXO/GPIOEN TDATA/GPIO3 TLRCLK/GPIO2 TBCLK/GPIO1 TMCLK/GPIO0 LPF XMCLK XOUT XIN CKST |
类似零件编号 - WM8802SCFV |
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类似说明 - WM8802SCFV |
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