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CS8422 Folha de dados(PDF) 11 Page - Cirrus Logic |
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CS8422 Folha de dados(HTML) 11 Page - Cirrus Logic |
11 / 82 page DS692PP2 11 CS8422 1.2 Hardware Mode Pin Name Pin # Pin Description RXP/RXN[1:0] 1 2 5 6 AES3/SPDIF Input (Input) - Differential receiver inputs carrying AES3 or S/PDIF encoded digital data. RXP[1:0] comprise the non-inverting inputs of the differential input multiplexer; and RXN[1:0] comprise the inverting inputs of the input multiplexer. Unused inputs should be tied to AGND. VA 3 Analog Power (Input) - Analog power supply, nominally +3.3 V. Care should be taken to ensure that this supply is as noise-free as possible, as noise on this pin will directly affect the jitter performance of the recovered clock. AGND 4 Analog Ground (Input) - Ground for the analog circuitry in the chip. AGND and DGND should be connected to a common ground area under the chip. SAOF 7 Serial Audio Output Format Select (Input) - Used to select the serial audio output format after reset. See Table 4 on page 41 for format settings. MS_SEL 8 Master/Slave Select (Input) - Used to select Master or Slave settings for the input and output serial audio ports after reset. See Table 5 on page 41 for format settings. NV/RERR 9 Non-Validity Receiver Error/Receiver Error (Output) - Receiver error indicator. NVERR is output by default, RERR is selected by a 20 k Ω resistor to VL. V/AUDIO 10 Validity Data/AUDIO (Output) - If a 20 k Ω pull-down is present on this pin, it will output serial Validity data from the AES3 receiver, clocked by the rising and falling edges of OLRCK2 in master mode. If a 20 k Ω pull-up is present, the pin will be low when valid linear PCM data is present at the AES3 input. XTI 11 Crystal/Oscillator In (Input) - Crystal or digital clock input for Master clock. See “SRC Master Clock” on page 38. XTO 12 Crystal Out (Output) - Crystal output for Master clock. See “SRC Master Clock” on page 38. 10 9 8 7 6 5 4 3 2 1 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Top-Down View 32-Pin QFN Package Thermal Pad OSCLK2 VA AGND SAOF RXP0 SDOUT2 VL RXN0 RXP1 RXN1 TX/U VD_FILT V_REG MS_SEL C DGND |
Nº de peça semelhante - CS8422_09 |
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Descrição semelhante - CS8422_09 |
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