Datasheet > AD9670_17

AD9670_17

更新时间： 2022-02-26 12:08:48

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
53页	828K
描述
Octal Ultrasound AFE with Digital Demodulator

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AD9670_17 数据手册

AD9670

Data Sheet

Profile Index and Manual TX_TRIG (Register 0x10C)

MEMORY MAP REGISTER DESCRIPTIONS

The vector profile is selected using the profile index in

generates a TX_TRIG signal internal to the device. This signal

is asynchronous to the ADC sample clock. Therefore, it cannot

be used to align the data output, advanced power mode, or

NCO reset across multiple devices in the system. The external

pin-driven TX_TRIG control is recommended for systems that

require synchronization of these features across multiple

AD9670 devices.

For more information on the SPI memory map and other

functions, consult the AN-877 Application Note, Interfacing to

High Speed ADCs via SPI.

Transfer (Register 0x0FF)

All registers except Register 0x002 are updated the moment they

are written. Setting Bit 0 of Register 0x0FF high initializes and

updates the speed mode (Address 0x002) and resets all other

registers to their default values. Bit 0 is self clearing. It is

recommended that Register 0x002 and Regoster 0x0FF, Bit 0,

be set at the beginning of the setup SPI writes after the device

is powered up. This avoids rewriting other registers after

Rev. A | Page 51 of 52

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