EVAL-ADUC831QSZ Datasheet, PDF (8/76 Pages) Analog Devices – MicroConverter®, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU

ADuC831
PIN CONFIGURATION
52 51 50 49 48 47 46 45 44 43 42 41 40
P1.0/ADC0/T2 1
P1.1/ADC1/T2EX ²
P1.2/ADC2 3
P1.3/ADC3 ⁴
AV_DD 5
AGND 6
C_REF 7
V_REF 8
DAC0 9
DAC1 10
P1.4/ADC4 11
P1.5/ADC5/SS ¹²
P1.6/ADC6 13
PIN 1
IDENTIFIER
ADuC831 52-LEAD PQFP
TOP VIEW
(Not to Scale)
39 P2.7/PWM1/A15/A23
38 P2.6/PWM0/A14/A22
37 P2.5/A13/A21
36 P2.4/A12/A20
35 DGND
34 DV_DD
33 XTAL2
32 XTAL1
31 P2.3/A11/A19
30 P2.2/A10/A18
29 P2.1/A9/A17
28 P2.0/A8/A16
27 SDATA/MOSI
14 15 16 17 18 19 20 21 22 23 24 25 26
P1.1/ADC1/T2EX
P1.2/ADC2
P1.3/ADC3
AV_DD
AV_DD
AGND
AGND
AGND
C_REF
V_REF
DAC0
DAC1
P1.4/ADC4
P1.5/ADC5/SS
1
2 PIN 1
3 ^IDENTIFIER
4
5
6 _{ADuC831 56-LEAD CSP}
7
TOP VIEW
8
(Not to Scale)
9
10
11
12
13
14
42 P2.7/A15/A23
41 P2.6/A14/A22
40 P2.5/A13/A21
39 P2.4/A12/A20
38 DGND
37 DGND
36
DV_DD
35 XTAL2
34 XTAL1
33 P2.3/A11/A19
32 P2.2/A10/A18
31 P2.1/A9/A17
30 P2.0/A8/A16
29 SDATA/MOSI
ADC0
ADC..1.
...
ADC6
ADC7
V_REF
C_REF
T/H
MUX
TEMP
SENSOR
BAND GAP
REFERENCE
BUF
POR
12-BIT
ADC
ADuC831
ADC
CONTROL
AND
CALIBRATION
62 kBYTES PROGRAM
FLASH/EE INCLUDING
USER DOWNLOAD
MODE
4 kBYTES DATA
FLASH/EE
2 kBYTES USER XRAM
2 ؋ DATA POINTERS
11-BIT STACK POINTER
DOWNLOADER
DEBUGGER
8052
MCU
CORE
ASYNCHRONOUS
SERIAL PORT
(UART)
UART
TIMER
DAC
CONTROL
12-BIT
VOLTAGE
OUTPUT DAC
12-BIT
VOLTAGE
OUTPUT DAC
16-BIT
⌺-⌬ DAC
PWM
CONTROL
16-BIT
⌺-⌬ DAC
16-BIT
PWM
MUX
256 BYTES USER
RAM
WATCHDOG
TIMER
16-BIT
PWM
16-BIT
COUNTER
TIMERS
POWER SUPPLY
MONITOR
TIME INTERVAL
COUNTER
(WAKEUP CCT)
SYNCHRONOUS
SERIAL INTERFACE
(I²C AND SPI )
OSC
DAC0
DAC1
PWM0
PWM1
T0
T1
T2
T2EX
INT0
INT1
Figure 1. ADuC831 Block Diagram (Shaded areas are features not present on the ADuC812)
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