ADUC847 Analog Devices, ADUC847 Datasheet - Page 16

• 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

ADuC845/ADuC847/ADuC848
AINCOM/DAC
REFIN+
REFIN–
AIN10
IEXC1
IEXC2
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
AIN9
56
10
11
12
15
16
13
11
12
1
2
3
9
8
7
NOTES
1. THE PIN NUMBERS REFER TO THE LFCSP PACKAGE ONLY.
200µA
46 47 48 49 52 53 54 55
4
5
CURRENT
SOURCE
SENSOR
TEMP
MIX
6
MUX
AIN
22
200µA
36 51
AUXILIARY ADC
REFERENCE
BUF
BAND GAP
23 37 38 50
DETECT
Σ-∆ ADC
POR
V
24-BIT
REF
PGA
56
Figure 4. Detailed Block Diagram of the ADuC845
1
17
2
11-BIT STACK
62 kBYTES PROGRAM/
SERIAL PORT
2 × DATA POI
PRIMARY AD
3
CALIBRATIO
4 kBYTES DATA/
CONTR
Σ-∆ ADC
18
UART
9
24-BI
FLASH/EE
FLASH/EE
ADC
AND
Rev. B | Page 16 of 108
10
DOW
19
T
DE
OL
11 12
BUGGER
POINTER
NLOADER
NTERS
C
N
ADuC845
CA
TIMER
UART
C
LIBRATION
ONTROL
30 31 32 33 39 40 41 42
ADC
AND
SINGLE-
44 43
CYCLE
CORE
8052
MCU
45
CONTROL
CONTROL
DAC
30
INTERFACE
SPI SERIAL
PWM
POWER SUPPLY
31
WATCHDOG
2304 BYTES
USER RAM
MONITOR
32
TIMER
33
18 19 20 21 24 25 26 27
PLL WITH PROG.
CLOCK DIVIDER
OUTPUT DAC
VOLTAGE
INTERFACE
RTC TIMER
I
WAKE-UP/
2
C SERIAL
12-BIT
Σ-∆ DAC
28
16-BIT
16-BIT
DUAL
DUAL
PWM
29
COUNTER
TIMERS
16-BIT
34
BUF
OSC
MUX
35
14
40
41
42
24
25
33
39
20
21
PWM1
PWMCLK
DAC
PWM0
T0
T1
T2
T2EX
INT0
INT1