EVAL-ADUC836QS AD [Analog Devices], EVAL-ADUC836QS Datasheet - Page 10
![no-image](/images/no-image-200.jpg)
EVAL-ADUC836QS
Manufacturer Part Number
EVAL-ADUC836QS
Description
MicroConverter, Dual 16-Bit ADCs with Embedded 62 kB Flash MCU
Manufacturer
AD [Analog Devices]
Datasheet
1.EVAL-ADUC836QS.pdf
(80 pages)
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Pin No. Pin No.
52-Lead 56-Lead
MQFP
3–4,
9–12
ADuC836
1, 2
CSP
56, 1
2–3,
11–14
REFIN
REFIN
IEXC 1
IEXC 2
AIN1
AIN2
AIN3
AIN4
AIN5
*PIN NUMBERS REFER TO THE 52-LEAD MQFP PACKAGE
SHADED AREAS REPRESENT THE NEW FEATURES OF THE ADuC836 OVER THE ADuC816
200 A
43
Mnemonic
P1.0/P1.1
P1.0/T2/PWM0
P1.1/T2EX/PWM1 I/O
P1.2–P1.7
P1.2/DAC/IEXC1 I/O
P1.3/AIN5/IEXC2 I/O
SENSOR
5
TEMP
CURRENT
44
SOURCE
MUX
6
MUX
MUX
45
AIN
AIN
46
20
200 A
REFERENCE
34
49
BAND GAP
DETECT
48
V
50
AUXILIARY ADC
BUF
REF
47
51
16-BIT
POR
- ADC
21 35
52
Type* Description
I/O
I/O
I
PGA
1
15
2
P1.0 and P1.1 can function as digital inputs or digital outputs and have a pull-up
confi guration as described for Port 3. P1.0 and P1.1 have an increased current drive
sink capability of 10 mA.
P1.0 and P1.1 also have various sec ond ary functions as described below. P1.0 can be
used to pro vide a clock input to Timer 2. When enabled, Counter 2 is incremented
in response to a negative transition on the T2 input pin. If the PWM is enabled, the
PWM0 output will appear at this pin.
P1.1 can also be used to pro vide a con trol input to Timer 2. When enabled, a PWM1
negative transition on the T2EX input pin will cause a Timer 2 capture or reload event.
If the PWM is enabled, the PWM1 output will appear at this pin.
Port 1.2 to Port 1.7 have no dig i tal out put driver; they can func tion as a digital input
for which 0 must be written to the port bit. As a digital input, these pins must be
driven high or low externally. These pins also have the following analog functionality:
The voltage out put from the DAC or one or both current sources (200 µA or
2
Auxiliary ADC input or one or both current sources can be con fi g ured at this pin.
Figure 1. Detailed Block Diagram
PIN FUNCTION DESCRIPTIONS
11-BIT STACK POINTER
62 KBYTES PROGRAM/
SERIAL PORT
2
3
PRIMARY ADC
ADuC836
4 KBYTES DATA
UART
16
200 µA) can be con fi g ured to ap pear at this pin.
DATA POINTERS
4
ADC CONTROL
CALIBRATION
16-BIT
FLASH/EE
FLASH/EE
- ADC
17
DOWNLOADER
9
AND
DEBUGGER
10
11
–10–
12
TIMER
UART
CALIBRATION
CONTROL
28
ADC
AND
29
41
30
CORE
8052
MCU
40
31
42
36
CONTROL
37
CONTROL
DAC
PWM
26
38
SPI/I
POWER SUPPLY
INTERFACE
39
WATCHDOG
2304 BYTES
USER RAM
MONITOR
2
27
C SERIAL
TIMER
16
PLL WITH PROG.
CLOCK DIVIDER
14
OUTPUT DAC
17
RTC TIMER
WAKE-UP/
VOLTAGE
16-BIT
16-BIT
DUAL
- DAC
DUAL
13
PWM
12-BIT
18
19
COUNTER
22
TIMERS
16-BIT
23
32
BUF
24
OSC
MUX
33
25
22
23
18
19
1
3
2
1
2
DAC
PWM0
PWM1
T0
T1
T2
T2EX
REV. 0
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