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ES9842PRO 数据表(PDF) 43 Page - ESS Technology,Inc

部件名 ES9842PRO
功能描述  32-bit High-Performance 4-Channel ADC
PDF  167 Pages
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制造商  ESS [ESS Technology,Inc]
网页  http://www.esstech.com
标志 ESS - ESS Technology,Inc

ES9842PRO 数据表(HTML) 43 Page - ESS Technology,Inc

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VERSION 0.5
ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM
ES9842 PRO Product Datasheet
43
Digital Audio Output Port
Pins are configured in Master (AUX Output) or Slave (Aux Input) modes through GPIO Configurations.
PCM Pin Connections
See Audio Interface Timing (I2S) for timing criteria. Can select GPIO 5,6 for the datapath.
Pin Name
Function
Description
GPIO1
I2S BCLK
I2S clock (Master or Slave)
GPIO2
I2S WS
I2S WS (Master or Slave)
GPIO3
I2S DATA
I2S DATA out (selectable for 2 channels)
GPIO4
I2S DATA
I2S DATA out (selectable for 2 channels)
Table 14 - PCM Pin Connections
TDM Pin Connections
See Registers 7-15 for configuration, can select GPIO 4-6 for the datapath.
Pin Name
Function
Description
GPIO1
TDM BCK
TDM clock (Master or Slave)
GPIO2
TDM WS
TDM WS (Master or Slave)
GPIO3
TDM DATA
TDM DATA out (default)
Table 15 - TDM Pin Connections
DSD Pin Connections
DSD requires 1 pin per ADC channel, any channel can be mapped to any of the GPIOs (GPIO3-6). See Registers 6,7,19 for
configuration.
Pin Name
Function
Description
GPIO1
DSD Clock
DSD Bit Clock (Master or Slave)
GPIO3
DSD DATA out
DSD data mapped to selected channel
(Channel 1 default)
GPIO4
DSD DATA out
DSD data mapped to selected channel
(Channel 2 default)
GPIO5
DSD DATA out
DSD data mapped to selected channel
(Channel 3 default)
GPIO6
DSD DATA out
DSD data mapped to selected channel
(Channel 4 default)
Table 16 - DSD Pin Connections



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