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ADS62P49 Datasheet(PDF) 21 Page - Texas Instruments |
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ADS62P49 Datasheet(HTML) 21 Page - Texas Instruments |
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21 / 76 page  DESCRIPTION OF SERIAL REGISTERS ADS62P49 / ADS62P29 ADS62P48 / ADS62P28 www.ti.com............................................................................................................................................................. SLAS635A – APRIL 2009 – REVISED JUNE 2009 A7–A0 IN HEX D7 D6 D5 D4 D3 D2 D1 D0 00 <RESET> 0 0 0 0 0 <SERIAL READOUT> Software Reset D7 <RESET> 1 Software reset applied – resets all internal registers and self-clears to 0. D0 <SERIAL READOUT> 0 Serial readout disabled. SDOUT is forced low by the device (and not put in high impedance state). 1 Serial readout enabled, Pin SDOUT functions as serial data readout. A7–A0 IN HEX D7 D6 D5 D4 D3 D2 D1 D0 20 0 0 0 0 0 <ENABLE LOW SPEED MODE> 0 0 D2 <ENABLE LOW SPEED MODE> 0 LOW SPEED mode disabled. Use for sampling frequency > 100 MSPS 1 Enable LOW SPEED mode for sampling frequencies ≤ 100 MSPS. A7–A0 IN HEX D7 D6 D5 D4 D3 D2 D1 D0 3F 0 <REF> 0 0 0 <STANDBY> 0 D6-D5 <REF> Internal or external reference selection 01 Internal reference enabled 11 External reference enabled D1 <STANDBY> 0 Normal operation 1 Both ADC channels are put in standby. Internal references, output buffers are active. This results in quick wake-up time from standby. A7–A0 IN HEX D7 D6 D5 D4 D3 D2 D1 D0 40 0 0 0 0 POWER DOWN MODES D3-D0 <POWER DOWN MODES> 0000 Pins CTRL1, CTRL2, and CTRL3 determine power down modes. 1000 Normal operation 1001 Output buffer disabled for channel B 1010 Output buffer disabled for channel A 1011 Output buffer disabled for channel A and B 1100 Global power down 1101 Channel B standby 1110 Channel A standby 1111 Multiplexed mode, MUX- (only with CMOS interface) Channel A and B data is multiplexed and output on DA13 to DA0 pins. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 21 Product Folder Link(s): ADS62P49 / ADS62P29 ADS62P48 / ADS62P28 |
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