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參數資料
型號: UDA1335H
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Universal Serial Bus USB Audio Playback Recording Peripheral APRP
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64
文件頁數: 29/44頁
文件大小: 254K
代理商: UDA1335H
1998 Aug 28
29
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) Audio
Playback Recording Peripheral (APRP)
UDA1335H
DSP extension port
An external DSP can be used for adding extra sound processing features via the digital I/O-bus. The UDA1335H supports
the standard I
2
S-bus data protocol and the LSB-justified serial data input format with word lengths of 16, 18 and 20 bits.
Using the 4-pin digital I/O-bus the UDA1335H device acts as a master, controlling the BCK and WS signals.
The period of the WS signal is determined by the number of samples in the 1 ms frame of the USB. This implies that the
WS signal does not have a constant time period, but is jittery. Using the 6-pin digital I/O-pins GP2, GP3 and GP4 are
output pins (master) and GP0, GP1 and GP5 are input pins (slave).
The characteristic timing of the I
2
S-bus input interface is illustrated in Figs 8 and 9.
Fig.8 Timing of digital I/O input signals.
handbook, full pagewidth
MGK003
WS
RIGHT
LSB
MSB
LEFT
BCK
DATA
tf
tr
th;WS
ts;WS
tBCK(H)
tBCK(L)
Tcy
ts;DAT
th;DAT
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相關代理商/技術參數
參數描述
UDA1338H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multichannel audio coder-decoder
UDA1338H/N1 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO 44QFP
UDA1338H/N1,518 功能描述:音頻放大器 MULTICHANNEL CODEC RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
UDA1338H/N1,557 功能描述:音頻放大器 MULTICHANNEL CODEC RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
UDA1338HB 功能描述:音頻放大器 MULTICHANNEL CODEC RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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