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| 型號： | ADUC841BSZ62-3 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 75/88頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC/DAC 12BIT W/MCU 52-MQFP |
| 產(chǎn)品培訓模塊： | Process Control |
| 標準包裝： | 1 |
| 系列： | MicroConverter® ADuC8xx |
| 核心處理器： | 8052 |
| 芯體尺寸： | 8-位 |
| 速度： | 8.38MHz |
| 連通性： | I²C，SPI，UART/USART |
| 外圍設(shè)備： | DMA，PSM，PWM，溫度傳感器，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲器容量： | 62KB（62K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 2.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x12b，D/A 2x12b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 52-QFP |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 738 (CN2011-ZH PDF) |
| 配用： | EVAL-ADUC841QSZ-ND - KIT DEV FOR ADUC841 QUICK START |
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ADuC841/ADuC842/ADuC843
Rev. 0 | Page 77 of 88
Note that PSEN is normally an output (as described in the
External Memory Interface section) and is sampled as an input
only on the falling edge of RESET, i.e., at power-up or upon an
external manual reset. Note also that if any external circuitry
unintentionally pulls PSEN low during power-up or reset
events, it could cause the chip to enter download mode and
therefore fail to begin user code execution as it should. To pre-
vent this, ensure that no external signals are capable of pulling
the PSEN pin low, except for the external PSEN jumper itself.
Embedded Serial Port Debugger
From a hardware perspective, entry into serial port debug mode
is identical to the serial download entry sequence described in
the preceding section. In fact, both serial download and serial
port debug modes can be thought of as essentially one mode of
operation used in two different ways. Note that the serial port
debugger is fully contained on the part (unlike ROM monitor
type debuggers), and therefore no external memory is needed to
enable in-system debug sessions.
Single-Pin Emulation Mode
Also built into the part is a dedicated controller for single-pin
in-circuit emulation (ICE) using standard production ADuC841/
ADuC842/ADuC843 devices. In this mode, emulation access is
gained by connection to a single pin, the EA pin. Normally, this
pin is hardwired either high or low to select execution from
internal or external program memory space, as described
earlier. To enable single-pin emulation mode, however, users
need to pull the EA pin high through a 1 k resistor, as shown
in Figure 85. The emulator then connects to the 2-pin header
also shown in Figure 85. To be compatible with the standard
connector that 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 85, 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).
Typical System Configuration
The typical configuration shown in Figure 85 summarizes some
of the hardware considerations that were discussed in previous
sections.
DEVELOPMENT TOOLS
There are two models of development tools available for the
ADuC841/ADuC842/ADuC843:
QuickStartTM—Entry-level development system
QuickStart Plus—Comprehensive development system
These systems are described briefly in the following sections.
QUICKSTART DEVELOPMENT SYSTEM
The QuickStart Development System is an entry-level, low cost
development tool suite supporting the parts. The system
consists of the following PC based (Windows compatible)
hardware and software development tools.
Hardware
Evaluation board and serial port
programming cable.
Software
Serial download software.
Miscellaneous
CD-ROM documentation and prototype
device.
A brief description of some of the software tools and
components in the QuickStart Development System follows.
Download—In-Circuit Serial Downloader
The serial downloader is a Windows application that allows the
user to serially download an assembled program (Intel hexadeci-
mal format file) to the on-chip program flash memory via the
serial COM1 port on a standard PC. Application Note uC004
details this serial download protocol and is available from
www.analog.com/microconverter.
ASPIRE—IDE
The ASPIRE integrated development environment is a Windows
application that allows the user to compile, edit, and debug code
in the same environment. The ASPIRE software allows users to
debug code execution on silicon using the MicroConverter
UART serial port. The debugger provides access to all on-chip
peripherals during a typical debug session as well as single step,
animate, and break-point code execution control.
Note that the ASPIRE IDE is also included as part of the
QuickStart Plus System. As part of the QuickStart Plus System,
the ASPIRE IDE also supports mixed level and C source debug.
This is not available in the QuickStart System, but there is an
example project that demonstrates this capability.
QuickStart Plus Development System
The QuickStart Plus Development System offers users enhanced
nonintrusive debug and emulation tools. The system consists of
the following PC based (Windows compatible) hardware and
software development tools.
Hardware
Prototype Board. Accutron Nonintrusive
Single-Pin Emulator.
Software
ASPIRE Integrated Development
Environment. Features full C and assembly
emulation using the Accutron single pin
emulator.
Miscellaneous
CD-ROM documentation.
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| ADUC841BSZ62-5 | 功能描述:IC ADC/DAC 12BIT W/MCU 52-MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| ADUC841BSZ62-5 | 制造商:Analog Devices 功能描述:8-Bit Microcontroller IC |
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| ADUC842BCP | 制造商:AD 制造商全稱:Analog Devices 功能描述:12- Bit ADCs and DACs with Embedded Hi-Speed 62KB FLASH MCU |
| ADUC842BCP32-3 | 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 16.7MHZ 3.3V 56LFCSP - Bulk 制造商:Analog Devices 功能描述: |
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