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AMC7812SPAP Datasheet(PDF) 8 Page - Texas Instruments |
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AMC7812SPAP Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 92 page  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RESET DAV CNVT CS SDI/SDA SCLK/SCL DGND IOV DV /A0 SDO/A1 A2 SPI/I2C GPIO-0 GPIO-1 GPIO-2 GPIO-3 DD DD 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 CH15 CH14 CH13 CH12 CH11 CH10 CH9 CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 CH0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RESET DAV CNVT CS SDI/SDA SCLK/SCL DGND IOV DV /A0 SDO/A1 A2 SPI/I2C GPIO-0 GPIO-1 GPIO-2 GPIO-3 DD DD 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 CH15 CH14 CH13 CH12 CH11 CH10 CH9 CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 CH0 AMC7812 SBAS513E – JANUARY 2011 – REVISED SEPTEMBER 2013 www.ti.com PIN CONFIGURATION RGC PACKAGE PAP PACKAGE QFN-64 HTQFP-64 (TOP VIEW) (TOP VIEW) PIN DESCRIPTIONS PIN (QFN / HTQFP) DESCRIPTION NO. NAME 1 RESET Reset input, active low. Logic low on this pin causes the device to perform a hardware reset. Data available indicator, active low output. In direct mode, the DAV pin goes low (active) when the conversion 2 DAV ends. In auto mode, a 1µs pulse (active low) appears on this pin when a conversion cycle finishes (see the Primary ADC Operation and Registers sections for details). DAV stays high when deactivated. 3 CNVT External conversion trigger, active low. The falling edge starts the sampling and conversion of the ADC. Serial interface data. SDI for the serial peripheral interface (SPI) when the SPI/I2C pin is high. SDA for I2C 4 SDI/SDA when the SPI/I2C pin is low. Serial clock input of the main serial interface. SPI clock when the SPI/I2C pin is high; I2C clock when the 5 SCLK/SCL SPI/I2C pin is low. 6 DGND Digital ground 7 IOVDD Interface power supply 8 DVDD Digital power supply (+3V to +5V). Must be the same value as AVDD. Chip select signal for SPI when the SPI/I2C pin is high. Slave address selection A0 for I2C when the SPI/I2C 9 CS/A0 pin is low. 10 SDO/A1 SDO for SPI when the SPI/I2C pin is high. Slave address selection A1 for I2C when the SPI/I2C pin is low. 11 A2 Slave address selection A2 for I2C when the SPI/I2C pin is low. Interface selection pin. Digital input. When this pin is tied to IOVDD, the SPI is enabled and the I 2C interface is 12 SPI/I2C disabled. When this pin is tied to ground, the SPI is disabled and the I2C interface is enabled. 13 GPIO-0 14 GPIO-1 General-purpose digital input/output. This pin is a bidirectional open-drain, digital input/output, and requires an external pull-up resistor. See the General Purpose Input/Output Pins section for more details. 15 GPIO-2 16 GPIO-3 8 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: AMC7812 |
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