參數(shù)資料
型號(hào)： GS9023A
元件分類： Codec
英文描述： SD Embedded Audio CODEC
中文描述： 政府統(tǒng)計(jì)處的嵌入式音頻編解碼器
文件頁數(shù)： 6/30頁
文件大?。?/td> 445K
代理商： GS9023A
19922 - 2
6
G
BLOCK DIAGRAM - EDH AND DATA CORE PROCESSING
78
CLIP_TRS
I
Clip and TRS correction control. When HIGH, the TRS Blanking, ITU-R-601 clipping and TRS
insertion features are enabled.
79
TRS_ERR
O
TRS error indication. When HIGH, indicates a TRS error in the data stream such as a missing
TRS, an improperly placed TRS, or an incorrect TRS ID word.
80
ANC_DATA
O
Ancillary data indication. When HIGH, indicates that an ANC packet is coming out of the
device. The output is high from the beginning of the first header word to the end of the
checksum word of the ANC packet.
1, 4, 13
VDD
Power supply connection for the serial processing circuitry (nominally +5V).
2, 3, 14
GND
Ground connection for the serial processing circuitry.
69
SVDD
Power supply connection for the serial data outputs. To save power when not using the SDO/
SDO outputs, set this pin to ground.
72
SGND
Ground connection for the serial data outputs.
5, 8
VDD_SDI, SDI
Power supply connection for the internal 75 ohm pullup resistor (nominally +5V) on the serial
data input lines.
9, 12
VDD_SCI, SCI
Power supply connection for the internal 75 ohm pullup resistor (nominally +5V) on the serial
clock input lines.
29,51,68
VDD
Power supply connection for the parallel processing circuitry (nominally +5V).
30,50,67
GND
Ground for the parallel processing circuitry.
PIN DESCRIPTIONS
NUMBER
SYMBOL
TYPE
DESCRIPTION
DOUT[9:0]
CRC_MODE
HOSTIF_MODE
8-BIT
PARALLEL
INTERFACE
BYPASS_EDH
FRAMED
DATA [9:0]
VBLANKS/L
FLYWDIS
H, V, F
EDH FLAG
EXTRACTION
CRC
COMPARISON/
CALCULATION
ANCILLARY
CHECKSUM
CALCULATION/
COMPARISON
ANCILLARY
CHECKSUM
CORRECTION
10
HVF
FLYWHEEL
ERRORED
FIELD
COUNTER
TRS
DETECTION
DEDICATED
FLAG PORT
I
2
C
INTERFACE
FLAGS
MUX
FLAG_MAP
NEW CRC
CALCULATION
TRS
COMPARE
TRS_ ERROR
BLANK_EN
CLIP_TRS
5
10
10
10
10
ERROR FLAGS
&
FORMAT PACKET
HOST INTERFACE/
FLAG PORT
ITU-R-601 CLIPPING
TRS BLANKING
TRS INSERTION/
CORRECTION
I
2
C is a registered
Trademark of Philips
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