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參數(shù)資料
| 型號： | ADUC824BS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MicroConverter, Dual-Channel 16-/24-Bit ADCs with Embedded FLASH MCU |
| 中文描述： | 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | PLASTIC, MQFP-52 |
| 文件頁數(shù)： | 66/68頁 |
| 文件大?。?/td> | 1060K |
| 代理商： | ADUC824BS |
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REV. B
ADuC824
–66–
C1+
V+
C1
–
C2+
C2
–
V
–
T2OUT
R2IN
V
CC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
ADM202
DV
DD
27
34
33
31
30
29
28
39
38
37
36
35
32
40
47
46
44
43
42
41
52
51
50
49
48
45
DV
DD
1k
DV
DD
1k
2-PIN HEADER FOR
EMULATION ACCESS
(NORMALLY OPEN)
DOWNLOAD/DEBUG
ENABLE JUMPER
(NORMALLY OPEN)
32.766kHz
DV
DD
1
9-PIN D-SUB
FEMALE
2
3
4
5
6
7
8
9
AV
DD
V
REF
+
V
REF
–
A
IN
+
A
IN
–
200 A/400 A
R2
510
RTD
R1
5.6k
AV
DD
AGND
P1.2I
EXC
1/DAC
REFIN
–
REFIN+
P1.4/AIN1
P1.5/AIN2
D
D
D
P
E
DGND
DV
DD
XTAL2
XTAL1
R
R
T
D
D
D
ADM810
V
CC
RST
GND
DV
DD
NOT CONNECTED IN THIS EXAMPLE
DV
DD
Figure 53. Typical System Configuration
comes with the single-pin emulator available from Accutron Limited
(www.accutron.com), use a 2-pin 0.1-inch pitch “Friction Lock”
header from Molex (www.molex.com) such as their part number
22-27-2021. Be sure to observe the polarity of this header. As
represented in Figure 53, when the Friction Lock tab is at the
right, the ground pin should be the lower of the two pins (when
viewed from the top).
Enhanced-Hooks Emulation Mode
ADuC824 also supports enhanced-hooks emulation mode. An
enhanced-hooks-based emulator is available from Metalink
Corporation (www.metaice.com). No special hardware support
for these emulators needs to be designed onto the board since
these are “pod-style” emulators where users must replace the chip
on their board with a header device that the emulator pod plugs
into. The only hardware concern is then one of determining if
adequate space is available for the emulator pod to fit into the
system enclosure.
Typical System Configuration
A typical ADuC824 configuration is shown in Figure 53. It sum-
marizes some of the hardware considerations discussed in the
previous paragraphs.
Figure 53 also includes connections for a typical analog mea-
surement application of the ADuC824, namely an interface to
an RTD (Resistive Temperature Device). The arrangement
shown is commonly referred to as a 4-wire RTD configuration.
Here, the on-chip excitation current sources are enabled to excite
the sensor. An external differential reference voltage is generated
by the current sourced through resistor R1. This current also
flows directly through the RTD, which generates a differential
voltage directly proportional to temperature. This differential
voltage is routed directly to the positive and negative inputs of
the primary ADC (AIN1, AIN2 respectively). A second external
resistor, R2, is used to ensure that absolute analog input voltage
on the negative input to the primary ADC stays within that
specified for the ADuC824, i.e., AGND + 100 mV.
It should also be noted that variations in the excitation current
do not affect the measurement system as the input voltage from
the RTD and reference voltage across R1 vary ratiometrically with
the excitation current. Resistor R1 must, however, have a low
temperature coefficient to avoid errors in the reference voltage
over temperature.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADUC824BS-DEN | 制造商:Analog Devices 功能描述: |
| ADUC824BS-REEL | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 8KB Flash 3.3V/5V 52-Pin MQFP T/R 制造商:Analog Devices 功能描述:24BIT ADC/EMBEDDED 8BIT MCU+FLASH MEMORY - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:24BIT ADC/EMBEDDED 8BIT MCU+FLASH MEMORY - Tape and Reel |
| ADUC824BSZ | 功能描述:IC MCU 8K FLASH ADC/DAC 52MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:250 系列:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C，Microwire，SPI，SSI，SSP，UART/USART，USB 外圍設(shè)備:欠壓檢測/復(fù)位，POR，WDT 輸入/輸出數(shù):40 程序存儲器容量:96KB（96K x 8） 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:48-LQFP 包裝:托盤 其它名稱:568-9587 |
| ADUC824BSZ-DEN | 功能描述:8052 MicroConverter? ADuC8xx Microcontroller IC 8-Bit 12.58MHz 8KB (8K x 8) FLASH 制造商:analog devices inc. 系列:MicroConverter? ADuC8xx 包裝:- 零件狀態(tài):上次購買時間 核心處理器:8052 核心尺寸:8-位 速度:12.58MHz 連接性:EBI/EMI，I2C，SPI，UART/USART 外設(shè):POR，PSM，溫度傳感器，WDT I/O 數(shù):34 程序存儲容量:8KB（8K x 8） 程序存儲器類型:閃存 EEPROM 容量:640 x 8 RAM 容量:256 x 8 電壓 - 電源（Vcc/Vdd）:2.7 V ~ 5.25 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 3x16b，4x24b；D/A 1x12b 振蕩器類型:內(nèi)部 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:- 供應(yīng)商器件封裝:- 標(biāo)準(zhǔn)包裝:1 |
| ADUC824BSZ-REEL | 功能描述:IC MCU 8K FLASH ADC/DAC 52MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB（4K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND |
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