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ES9822PRO 数据表(PDF) 8 Page - ESS Technology,Inc |
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ES9822PRO 数据表(HTML) 8 Page - ESS Technology,Inc |
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8 / 126 page  0.3 ES9822 PRO Product Datasheet ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM 8 40 QFN Pin List Pin Name Pin Type Reset State Pin Description 1 GPIO10 I/O HiZ General I/O w/extended functions 2 GPIO11 I/O HiZ General I/O w/extended functions 3 MODE I/O HiZ I2C or SPI Control selection 4 ACLK AI HiZ Auxiliary Clock Input 5 AVCC Power Power 4.5V Supply 6 AGND Ground Ground Analog Ground 7 XOUT AO HiZ Crystal Output 8 XIN1 AI HiZ Crystal Input/Oscillator Input 9 VREF_L Power Power Low Noise reference for on-chip regulator, left side 10 AVCC_L Power Power ADC reference voltage (4.5V Supply) 11 AGND_L Ground Ground Analog Ground 12 IN_P1 AI HiZ ADC Channel 1 differential positive (+) input 13 IN_M1 AI HiZ ADC Channel 1 differential negative (-) input 14 NC - - No Connect 15 NC - - No Connect 16 NC - - No Connect 17 NC - - No Connect 18 IN_M2 AI HiZ ADC Channel 2 differential negative (-) input 19 IN_P2 AI HiZ ADC Channel 2 differential positive (+) input 20 AGND_R Ground Ground Analog Ground 21 AVCC_R Power Power ADC reference voltage (4.5V Supply) 22 VREF_R Power Power Low Noise reference for on-chip regulator, right side 23 CHIP_EN I/O HiZ Active-high chip enable. 24 GPIO9 I/O HiZ General I/O w/extended functions, including INT (INTERRUPT) 25 MOSI/SDA I/O HiZ Serial communication, MOSI(SPI), SDA(I2C), controlled by MODE 26 SCLK/SCL I/O HiZ Serial Clock, SCLK (SPI), SCL (I2C), controlled by MODE 27 SS/ADDR1 I/O HiZ Serial communication, SS(SPI), SCL (I2C), controlled by MODE 28 MISO/ADDR2 I/O HiZ Serial communication, MISO(SPI), ADDR2 (I2C), controlled by MODE 29 DVDD Power Power Digital Core Supply. Internally Supplied 30 AVDD Power Power 3.3V, I/O Supply 31 DGND Ground Ground Digital Core Ground 32 GPIO8 I/O HiZ General I/O w/extended functions, Serial Data 8 33 GPIO7 I/O HiZ General I/O w/extended functions, Serial Data 7 34 GPIO6 I/O HiZ General I/O w/extended functions, Serial Data 6 35 GPIO5 I/O HiZ General I/O w/extended functions, Serial Data 5 36 GPIO4 I/O HiZ General I/O w/extended functions, Serial Data 4 37 GPIO3 I/O HiZ General I/O w/extended functions, Serial Data 3 38 GPIO2 I/O HiZ General I/O w/extended functions, Serial Data 2 39 GPIO1 I/O HiZ General I/O w/extended functions, Serial Data 1 40 Package Pad2 - - Not electrically connected, used for heat dissipation. Connect to DGND Table 1 - 40 QFN Pin List 1 MCLK can be connected to XIN or ACLK 2 Pin 41 is the package pad. See 40 QFN package dimensions for sizing. Connect to DGND. |
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