ADUC832 Analog Devices, ADUC832 Datasheet - Page 38

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ADUC832

Manufacturer Part Number
ADUC832
Description
Precision Analog Microcontroller: 1.3MIPS 8052 MCU + 62kB Flash + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
Manufacturer
Analog Devices
Datasheet

Specifications of ADUC832

Mcu Core
8052
Mcu Speed (mips)
1.3
Sram (bytes)
2304Bytes
Gpio Pins
34
Adc # Channels
8
Other
PWM

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ADuC832
ADCCON3 (ADC Control SFR 3)
SFR Address:
SFR Power-On Default Value:
Bit Addressable:
Table 18. ADCCON3 SFR Bit Designations
Bit
[7]
[6]
[5:4]
[3]
[2]
[1]
[0]
Name
Busy
GNCLD
AVGS[1:0]
RSVD
RSVD
Typical
SCAL
Description
The ADC busy status bit is a read-only status bit that is set during a valid ADC conversion or calibration cycle. Busy is
automatically cleared by the core at the end of conversion or calibration.
Gain calibration disable bit. Set to 0 to enable gain calibration. Set to 1 to disable gain calibration.
Number of averages selection bits. These bits select the number of ADC readings averaged during a calibration cycle.
AVGS1
0
0
1
1
Reserved. This bit should always be written as 0.
This bit should always be written as 1 by the user when performing calibration.
Calibration type select bit. This bit selects between offset (zero-scale) and gain (full-scale) calibration.
Set to 0 for offset calibration.
Set to 1 for gain calibration.
Start calibration cycle bit. When set, this bit starts the selected calibration cycle. It is automatically cleared when the
calibration cycle is completed.
F5H
00H
No
AVGS0
0
1
0
1
Rev. A | Page 38 of 92
The ADCCON3 register controls the operation of various
calibration modes as well as giving an indication of ADC busy
status.
Number of Averages
15
1
31
63

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