參數(shù)資料
型號: SAA7785
廠商: NXP Semiconductors N.V.
英文描述: ThunderBird Avenger(TM) PCI Audio Accelerator(雷鳥Avenger(TM)PCI音頻加速器)
中文描述: 雷鳥復(fù)仇者(商標(biāo))的PCI音頻加速器(雷鳥復(fù)仇者(商標(biāo))的PCI音頻加速器)
文件頁數(shù): 24/68頁
文件大小: 1303K
代理商: SAA7785
ThunderBird Avenger
TM
PCI Audio
Accelerator
SAA7785
Philips Semiconductors
Preliminary Specification
1999
Nov 12
24
DSP SERIAL PORTS/GENERAL PURPOSE I/O
AC_RST_N#
AC’97 Master Reset
The external AC’97 codec has a master reset line which is has a separate control. The codec
status must report a ready before any audio or modem data is transmitted to the codec.
SPDO
Sony/Philips Digital Interface Format Output Port
Consumer format S/PDIF Output Port. The output characteristic of this pad approximates the
RS422 interface.
SPDI
Sony/Philips Digital Interface Format Input Port
Reserved.
RWS
Inter-IC Sound Bus Receive Port Word Select Clock/DSP General Purpose I/O 0
When the I
2
S is configured as a master, this pin will output a word clock at the frequency
selected by the user. When configured as a slave, the receive port will synchronize the left or
right channel data to this signal.
RSCK
Inter-IC Sound Bus Receive Port Bit Clock/DSP General Purpose I/O 1
When the I
2
S is configured as a master, this pin will output a bit clock. When configured as a
slave, the receive port will shift in data from the RSD data stream using RSCK as an input.
RSD
Inter-IC Sound Bus Receive Port Data/DSP General Purpose I/O 2
This pin is the input data stream for the I
2
S receive port.
TWS
Inter-IC Sound Bus Transmit Port Word Select Clock
When the I
2
S is configured as a master, this pin will output a word clock at the frequency
selected by the user. When configured as a slave, the receive port will synchronize the left or
right channel data to this signal.
TSCK
Inter-IC Sound Bus Transmit Port Bit Clock
When the I
2
S is configured as a master, this pin will output a bit clock. When configured as a
slave, the transmit port will shift out data from the TSD data stream using TSCK as an input.
TSD
Inter-IC Sound Bus Transmit Port Data
This pin is the output data stream for the I
2
S transmit port.
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