ADUC847 Analog Devices, ADUC847 Datasheet - Page 93

• 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

200µA/400µA
EXCITATION
CURRENT
AV
DD
RTD
5.6kΩ
R
REF
R
R
AV
RESET ACTIVE HIGH.
(NORMALLY OPEN)
0.1µF
DD
DV
DD
11
56
15
16
4
5
6
7
8
1
2
3
Figure 71. Dual Reference Typical Connectivity
P1.6/I
AV
AGND
AGND
REFIN–
REFIN+
P1.0/AIN1
P1.1/AIN2
P1.2/AIN3/REFIN2+
AIN9
AIN10
P1.3/AIN4/REFIN2–
DD
DV
CONNECTION
EXC
17 18
ADuC845/ADuC847/ADuC848
DD
RS232
1/AIN7
Rev. B | Page 93 of 108
19
LFCSP PACKAGE
22
DV
36
DD
51
0.1µF
23
DOWNLOAD/DEBUG
(NORMALLY OPEN)
37
ENABLE JUMPER
1kΩ
38
50
44
XTAL2
XTAL1
DGND
DV
43
DD
1kΩ
DV
35
34
DD
ADuC845/ADuC847/ADuC848
2-PIN HEADER FOR
EMULATION ACCESS
(NORMALLY OPEN)