參數(shù)資料
型號: STAC9223D3TAEYYX
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 編解碼器
英文描述: 8-CHANNEL HIGH DEFINITION AUDIO CODEC
中文描述: PCM CODEC, PQFP48
封裝: LEAD FREE, LQFP-48
文件頁數(shù): 23/172頁
文件大?。?/td> 1129K
代理商: STAC9223D3TAEYYX
STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
23
STAC9220/9221/9223
V 0.96 102706
8-CHANNEL HIGH DEFINITION AUDIO CODEC
4. DETAILED DESCRIPTION
4.1.
Audio Jack Presence Detect
SENSE_A pin is used to detect the presence of plugs in ports A, B, C, and D. SENSE_B pin is used
to detect the presence of plugs in ports E and F. Refer to the reference design for port detect cir-
cuitry. Select the precision of the resistor used as follows.
4.2.
SPDIF Input
SPDIF IN can operate at 44.1 KHz, 48 KHz or 96 KHz, and implements internal Jack Sensing.
A sophisticated digital PLL allows automatic rate detection and accurate data recovery. The ability to
directly accept consumer SPDIF voltage levels eliminates the need for costly external receiver ICs.
Advanced features such as record-slot select and SPDIF_IN routing to the DAC allows for simulta-
neous record and play.
4.3.
SPDIF Output
SPDIF Output can operate at 44.1 KHz, 48 KHz and 96 KHz, as defined in the Intel High Definition
Audio Specification, with resolutions up to 24 bits. This insures compatibility with all consumer audio
gear and allows for convenient integration into home theater systems and media center PCs.
Table 4. Audio Jack Presence Detect
Nominal Voltage
(+-5%)
Resistor Tolerance
Sense A
(If port D is used)
Resistor Tolerance
Sense A
(If port D is not used)
Resistor Tolerance
Sense B
(For ports E and F)
5V
1%
1%
1%
4.5V
1%
1%
1%
4V
0.50%
1%
1%
3.3V
0.10%
1%
1%
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