ADUC847 Analog Devices, ADUC847 Datasheet - Page 47

• Manufacturer Part Number: ADUC847
• Description: Precision Analog Microcontroller: 12MIPS 8052 Flash MCU + 10-Ch 24-Bit ADC + 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC847

• Mcu Core: 8052
• Mcu Speed (mips): 12
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 10
• Other: PWM

ICON (EXCITATION CURRENT SOURCES CONTROL REGISTE
The ICON reg
SFR Address:
Power-On Default:
Bit Addressable:
Table 30. Excitation Current Source SFR Bit Designations
Bit No.
7
6
5
4
3
2
1
0
A write to the ICON register has an immediate effect but does n
is already converting, the user must wait until the third or f
settled new output.
Both IEXC1 and IEXC2 can be configured to operate on the same output
Name
–––
ICON.6
ICON.5
ICON.4
ICON.3
ICON.2
ICON.1
ICON.0
ister is used to configure the current s
D5H
00H
No
Description
Not Implemented. Write Don’t Care.
Burnout Current Enable Bit.
When set, this bit enables the s
AIN7/AIN8. Not available on a
Not Implemented. Write Don’t Care.
Not Implemented. Write Don’t Care.
IEXC2 Pin Select. 0 selects AIN8, 1 selects AIN7
IEXC1 Pin Select. 0 selects AIN7, 1 selects AIN8
IEXC2 Enable Bit (0 = disable).
IEXC1 Enable Bit (0 = disable).
ources and the burno
ourth output a
Rev. B | Page 47 of 108
ny other AD
ensor burn
ot reset th
C input pins or on the auxiliary ADC (ADuC845 only).
e ADC . Ther fore, if a current source is changed while a
pin t
ut detection source.
t le
R)
out current sources on primary ADC channels AIN5/AIN6 or
ast (
her y inc
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sing
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ADuC845/ADuC847/ADuC848
he
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rent source capability
s of the chop mode) to see a fully
to 400 µA.
n ADC