Datasheet > ADUC842BCP62-5

ADUC842BCP62-5

更新时间： 2024-11-29 22:47:39

品牌	Logo	应用领域
亚德诺 - ADI		转换器闪存微控制器
页数	文件大小	规格书
88页	877K
描述
MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU

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替代型号

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ADUC842BCP62-5 数据手册

MicroConverter 12-Bit ADCs and DACs with

Embedded High Speed 62-kB Flash MCU

ADuC841/ADuC842/ADuC843

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Pin compatable ugrade of ADuC812/ADuC831/ADuC832

12-BIT

DAC

DAC¹

ADuC841/ADuC842/ADuC843

Increased performance

BUF

Single-cycle 20 MIPS 8052 core

High speed 420 kSPS 12-bit ADC

Increased memory

12-BIT

DAC

DAC¹

BUF

ADC0

ADC1

T/H

12-BIT ADC

Up to 62 kBytes on-chip Flash/EE program memory

4 kBytes on-chip Flash/EE data memory

In-circuit reprogrammable

Flash/EE, 100 year retention, 100 kCycle endurance

2304 bytes on-chip data RAM

Smaller package

16-BIT

Σ-∆ DAC

MUX

ADC5

16-BIT

Σ-∆ DAC

ADC6

ADC7

PWM0

PWM1

HARDWARE

CALIBRATON

MUX

16-BIT

PWM

TEMP

SENSOR

8 mm × 8 mm chip scale package

52-lead PQFP—pin compatable upgrade

16-BIT

PWM

20 MIPS 8052 BASED MCU WITH ADDITIONAL

PERIPHERALS

Analog I/O

8-channel, 420 kSPS high accuracy, 12-bit ADC

On-chip, 15 ppm/°C voltage reference

DMA controller, high speed ADC-to-RAM capture

Two 12-bit voltage output DACs¹

Dual output PWM ∑-∆ DACs

62 kBYTES FLASH/EE PROGRAM MEMORY

4 kBYTES FLASH/EE DATA MEMORY

2304 BYTES USER RAM

PLL²

OSC

3 × 16 BIT TIMERS

1× REAL TIME CLOCK

POWER SUPPLY MON

WATCHDOG TIMER

INTERNAL

BAND GAP

VREF

UART, I²C, AND SPI

SERIAL I/O

4 × PARALLEL

PORTS

On-chip temperature monitor function

XTAL1 XTAL2

REF

8052 based core

8051 compatible instruction set (20 MHz max)

High performance single-cycle core

Figure 1.

32 kHz external crystal, on-chip programmable PLL

12 interrupt sources, 2 priority levels

Dual data pointers, extended 11-bit stack pointer

GENERAL DESCRIPTION

The ADuC841/ADuC842/ADuC843 are complete smart

transducer front ends, that integrates a high performance self-

calibrating multichannel ADC, a dual DAC, and an optimized

single-cycle 20 MHz 8-bit MCU (8051 instruction set

compatible) on a single chip.

On-chip peripherals

Time interval counter (TIC)

UART, I²C®, and SPI® Serial I/O

Watchdog timer (WDT)

Power supply monitor (PSM)

The ADuC841 and ADuC842 are identical with the exception of

the clock oscillator circuit; the ADuC841 is clocked directly

from an external crystal up to 20 MHz whereas the ADuC842

uses a 32 kHz crystal with an on-chip PLL generating a

programmable core clock up to 16.78 MHz.

Power

Normal: 4.5 mA @ 3 V (core CLK = 2.098 MHz)

Power-down: 10 µA @ 3 V²

Development tools

Low cost, comprehensive development system

incorporating nonintrusive single-pin emulation,

IDE based assembly and C source debugging

The ADuC843 is identical to the ADuC842 except that the

ADuC843 has no analog DAC outputs.

APPLICATIONS

Optical networking—laser power control

Base station systems

Precision instrumentation, smart sensors

Transient capture systems

The microcontroller is an optimized 8052 core offering up to

20 MIPS peak performance. Three different memory options

are available offering up to 62 kBytes of nonvolatile Flash/EE

program memory. Four kBytes of nonvolatile Flash/EE data

memory, 256 bytes RAM, and 2 kBytes of extended RAM are

also integrated on-chip.

DAS and communications systems

¹ADuC841/ADuC842 only.

²ADuC842/ADuC843 only, ADuC841 driven directly by external crystal.

(continued on page 15)

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...88

中文翻译

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ADUC842BCP62-5 替代型号

型号	品牌	替代类型	描述	数据表
ADUC831BSZ	ADI	功能相似	MicroConverter®, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU
ADUC812BSZ	ADI	功能相似	MicroConverter, Multichannel 12-Bit ADC with Embedded Flash MCU
ADUC841BSZ62-5	ADI	功能相似	MicroConverterÂ® 12-Bit ADCs and DACs with Em

与ADUC842BCP62-5相关器件

型号	品牌	获取价格	描述	数据表
ADUC842BCP8-3	ADI	获取价格	MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
ADUC842BCP8-3	ROCHESTER	获取价格	暂无描述
ADUC842BCP8-5	ADI	获取价格	MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU
ADUC842BCPZ32-3	ADI	获取价格	ADUC842BCPZ32-3
ADUC842BCPZ32-5	ROCHESTER	获取价格	8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, QCC56, 8 X 8 MM, LEAD FRAME, MO-220VLLD2, CSP-56
ADUC842BCPZ62-3	ADI	获取价格	ADUC842BCPZ62-3
ADUC842BCPZ62-5	ROCHESTER	获取价格	8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, QCC56, 8 X 8 MM, LEAD FRAME, MO-220VLLD2, CSP-56
ADUC842BCPZ8-3	ADI	获取价格	ADUC842BCPZ8-3
ADUC842BCPZ8-5	ROCHESTER	获取价格	8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, QCC56, 8 X 8 MM, LEAD FRAME, MO-220VLLD2, CSP-56
ADUC842BS	ADI	获取价格	12- Bit ADCs and DACs with Embedded Hi-Speed 62KB FLASH MCU

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