參數(shù)資料
型號: AD7707EB
廠商: Analog Devices, Inc.
英文描述: 3 V/5 V 610 V Input Range 1 mW 3-Channel 16-Bit Sigma-Delta ADC(316.51 k)
中文描述: 3伏/ 5伏610 V輸入范圍1毫瓦3通道16位Σ-Δ模數(shù)轉(zhuǎn)換器(316.51十一)
文件頁數(shù): 29/40頁
文件大小: 316K
代理商: AD7707EB
REV. A
AD7707
–29–
POWER-ON/RESET FOR AD7707
CONFIGURE & INITIALIZE
m
C/
m
P SERIAL PORT
WRITE TO COMMUNICATIONS REGISTER SELECTING
CHANNEL & SETTING UP NEXT OPERATION TO BE A
WRITE TO THE CLOCK REGISTER (20 HEX)
WRITE TO CLOCK REGISTER SETTING THE CLOCK
BITS IN ACCORDANCE WITH THE APPLIED MASTER
CLOCK SIGNAL AND SELECT UPDATE RATE FOR
SELECTED CHANNEL (0C HEX)
WRITE TO COMMUNICATIONS REGISTER SELECTING
CHANNEL & SETTING UP NEXT OPERATION TO BE A
WRITE TO THE SETUP REGISTER (10 HEX)
WRITE TO SETUP REGISTER CLEARING F SYNC,
SETTING UP GAIN, OPERATING CONDITIONS &
INITIATING A SELF-CALIBRATION ON SELECTED
CHANNEL (40 HEX)
POLL
DRDY
PIN
NO
YES
WRITE TO COMMUNICATIONS REGISTER SETTING UP
NEXT OPERATION TO BE A READ FROM THE DATA
REGISTER (38 HEX)
READ FROM DATA REGISTER
WRITE TO COMMUNICATIONS REGISTER SETTING UP NEXT
OPERATION TO BE A READ FROM THE COMMUNICATIONS
REGISTER (08 HEX)
READ FROM COMMUNICATIONS REGISTER
POLL
DRDY
BIT OF COMMUNICATIONS REGISTER
WRITE TO COMMUNICATIONS REGISTER SETTING UP
NEXT OPERATION TO BE A READ FROM THE DATA
REGISTER (38 HEX)
START
READ FROM DATA REGISTER
DRDY
LOW
NO
YES
DRDY
LOW
Figure 20. Flowchart for Setting Up and Reading from the AD7707
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