ADUC847 Analog Devices, ADUC847 Datasheet - Page 17

• 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

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
MIX
6
MUX
AIN
22
200µA
36 51
REFERENCE
BUF
BAND GAP
23 37 38 50
DETECT
POR
V
REF
PGA
56
Figure 5. Detailed Block Diagram of the ADuC847
1
17
2
11-BIT STACK POINTER
62 kBYTES PROGRAM/
2 × DATA POINTERS
SERIAL PORT
PRIMARY ADC
3
4 kBYTES DATA/
Σ-∆ ADC
18
UART
9
24-BIT
FLASH/EE
FLASH/EE
Rev. B | Page 17 of 108
10
DOWNLOADER
19
DEBUGGER
11 12
ADuC847
CALIBRATION
TIMER
UART
CONTROL
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
ADuC845/ADuC847/ADuC848
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