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Sensoray 526 User Manual

Page 22

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22


ADC Control Register
0x06

Bits

Type

Default

Description

[15]

WO

0

Input multiplexor settling delay:
0 – no delay;
1 – 12

µ

s delay.

[14:5]

WO

0x000

ADC conversion control. A 1 enables conversion of the
corresponding channel:

[14] – enable conversion on reference 1 (0 V);
[13] – enable conversion on reference 0 (+10 V);
[12] – enable conversion of channel 7;
[11] – enable conversion of channel 6;
[10] – enable conversion of channel 5;
[9] – enable conversion of channel 4;
[8] – enable conversion of channel 3;
[7] – enable conversion of channel 2;
[6] – enable conversion of channel 1;
[5] – enable conversion of channel 0.

[4:1]

WO

0000

ADC read channel select:

0000 - channel 0;
0001 - channel 1;
0010 - channel 2;
0011 - channel 3;
0100 - channel 4;
0101 - channel 5;
0110 - channel 6;
0111 - channel 7;
1000 - reference 0 (+10 V);
1001 - reference 1 (0 V).

[0]

WO

0

ADC start. Writing a 1 to this bit starts conversion on channels
selected with bits [14:5] (Note 1). Bit [2] of the Interrupt
Status register is set to 1 when upload is complete.


Notes:
1.

Selection of channels and ADC start can be performed in one access to the ADC Control
register.



DAC/ADC Data Register
0x08

Bits

Type

Default

Description

[15:0]

RW

0x0000

Write operation: data to be written to DAC preload register for
the channel selected in DAC control register.
Read operation: conversion result from ADC channel selected in
ADC control register.