mx7705 Maxim Integrated Products, Inc., mx7705 Datasheet - Page 27

• Manufacturer Part Number: mx7705
• Description: Mx7705 16-bit, Low-power, 2-channel, Sigma-delta Adc
• Manufacturer: Maxim Integrated Products, Inc.

Figure 11. Sample Flow Diagram for Data Conversion
______________________________________________________________________________________
1 (DATA
READY)
NOT
0 (DATA
READY)
POLL DRDY
OUTPUT
HARDWARE POLLING
WRITE TO THE CLOCK REGISTER. ENABLE
REGISTER. SELECT CHANNEL 1 AND SET
REGISTER. SELECT CHANNEL 1 AND SET
BEGIN SELF-CALIBRATION/CONVERSION
UNIPOLAR MODE, UNBUFFERED MODE.
SELF-CALIBRATION MODE, GAIN TO 0,
REGISTER. SET NEXT OPERATION AS A
NEXT OPERATION AS A WRITE TO THE
NEXT OPERATION AS A WRITE TO THE
WRITE TO THE SETUP REGISTER. SET
WRITE TO THE COMMUNICATIONS
WRITE TO THE COMMUNICATIONS
16-Bit, Low-Power, 2-Channel,
WRITE TO THE COMMUNICATIONS
EXTERNAL OSCILLATOR. SELECT
READ FROM THE DATA REGISTER.
OUTPUT UPDATE RATE OF 60Hz.
INITIALIZE µC/µP SERIAL
READ THE DATA REGISTER
BY CLEARING FSYNC.
POWER-ON RESET
CLOCK REGISTER.
SETUP REGISTER.
(16 BITS)
(0xA5)
PORT
(0x20)
(0x10)
(0x44)
(0x38)
SOFTWARE POLLING
WRITE TO COMMUNICATIONS REGISTER.
READ THE COMMUNICATIONS REGISTER
SET NEXT OPERATION AS A READ FROM
THE COMMUNICATIONS REGISTER.
POLL DRDY
(8 BITS)
(0x08)
BIT
Sigma-Delta ADC
0 (DATA
READY)
1 (DATA NOT
READY)
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