參數(shù)資料
型號: CDB8420
廠商: Cirrus Logic Inc
文件頁數(shù): 50/94頁
文件大小: 0K
描述: EVALUATION BOARD FOR CS8420
標(biāo)準(zhǔn)包裝: 1
主要目的: 音頻,采樣率轉(zhuǎn)換器
嵌入式: 是,MCU,8 位
已用 IC / 零件: CS8420
主要屬性: 帶數(shù)字音頻發(fā)射器和接收器的采樣率轉(zhuǎn)換器
次要屬性: 44.1、48、96 kHz 輸出采樣率,AES/EBU,S/PDIF,EIAJ-340,GUI
已供物品:
相關(guān)產(chǎn)品: 598-1125-5-ND - IC SAMPLE RATE CONVERTER 28SOIC
其它名稱: 598-1782
54
DS245F4
CS8420
Miscellaneous Pins:
U - User Data
The U pin may optionally be used to input User data for transmission by the AES3 transmitter (see Figure 20 for
timing information). Alternatively, the U pin may be set to output User data from the AES3 receiver (see Figure 19
for timing information). If not driven, a 47 k
Ω pull-down resistor is recommended for the U pin since the default state
of the UD direction bit sets the U pin as an input. The pull-down resistor ensures that the transmitted user data will
be zero. If the U pin is always set to be an output, thereby causing the U bit manager to be the source of the U data,
the resistor is not necessary. The U pin should not be tied directly to ground in case it is programmed to be an output
and subsequently tries to output a logic high. This situation may affect the long-term reliability of the device. If the U
pin is driven by a logic level output, a 100
Ω series resistor is recommended.
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