參數(shù)資料
型號(hào)： ADUC834
廠商： Analog Devices, Inc.
英文描述： MicroConverter, Dual 16-/24- Bit ADCs with Embedded 62KB FLASH MCU
中文描述： MicroConverter的，雙與嵌入62KB閃存MCU 16-/24-位ADC
文件頁(yè)數(shù)： 18/72頁(yè)
文件大小： 1451K
代理商： ADUC834
(12 March 2002) REV.
P
rC
ADuC834
–
18
–
PRELIMINARY TECHNICAL DATA
Pin No.
Mnemonic
T ype
*
Description
1, 2
P1.0/P1.1
I/O
P1.0 and P1.1 can function as a digital inputs or digital outputs and have a
pull-up configuration as described below 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 secondary functions as described below.
P1.0 can also be used to provide a clock input to T imer 2. When Enabled, counter
2 is incremented in response to a negative transition on the T 2 input pin.
If the PWM is enabled then the PWM0 output will appear at this pin.
P1.1 can also be used to provide a control input to T imer 2. When Enabled, a
negative transition on the T 2EX input pin will cause a T imer 2 capture or reload
event.
If the PWM is enabled then the PWM1 output will appear at this pin.
P1.0/T 2/PWM0
I/O
P1.1/T 2EX /PWM1
I/O
ADuC 834 DE T AILE D BLOC K DIAGRAM
Figure 11. ADuC834 Detailed Block Diagram
ADuC 834 PIN BY PIN FUNC T ION DE SC RIPT ION
PROG. CLOCK
DIVIDER
WATCHDOG
TIMER
256 BYTES USER
RAM
POWER SUPPLY
MONITOR
AIN3
AIN4
AIN5
AIN1
AIN2
REFIN
REFIN
IEXC 2
IEXC 1
AIN
MUX
TEMP
SENSOR
AIN
MUX
BANDGAP
REFERENCE
V
REF
DETECT
CURRENT
SOURCE
MUX
200
A
200
A
5
A
D
6
A
20
D
D
D
D
21
D
35
D
26
S
/
27
M
/
14
M
13
S
X
BUF
ADuC834
AUXILIARY ADC
16-BIT
ADC
ADC CONTROL
AND
CALIBRATION
PGA
PRIMARY ADC
24-BIT
ADC
ADC
CONTROL
AND
CALIBRATION
3
22
T0
23
T1
2
T2EX
T2
1
18
INT 0
19
INT 1
DAC
40
E
41
P
17
T
16
R
4 KBYTES DATA
FLASH/EE
62 KBYTES PROGRAM
FLASH/EE INCLUDING
USER DOWNLOAD MODE
UART
SERIAL PORT
8052
MCU
CORE
DOWNLOADER
DEBUGGER
DAC
CONTROL
BUF
S
E
SPI SERIAL
INTERFACE
16-BIT
COUNTER
TIMERS
TIME INTERVAL
COUNTER
(WAKEUP CCT)
X
33
OSC
43
P
44
P
45
P
46
P
49
P
50
P
51
P
52
P
1
P
2
P
3
P
4
9
P
10
P
11
P
12
P
28
P
29
P
30
P
31
P
36
P
37
P
38
P
39
P
16
P
17
P
18
P
I
)
19
P
I
)
22
P
23
P
24
P
W
25
P
R
)
12-BIT
VOLTAGE
OUTPUT DAC
P
2 KBytes USER XRAM
PLL
2 X DATA POINTERS
11-BIT STACK POINTER
MUX
16-BIT
SD DAC
PWM0
PWM1
16-BIT
PWM
16-BIT
PWM
PWM
CONTROL
1
2
16-BIT
SD DAC
32
42
A
POR
15
R
48
D
D
34
47
D
UART
TIMER
* SHADED AREAS REPRESENT THE NEW FEATURES OF THE ADUC834 OVER THE ADUC824
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參數(shù)描述
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