ADUC816BSZ

更新时间： 2024-11-07 13:05:27

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
80页	1439K
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ADUC816BSZ 数据手册

MicroConverter , Dual 16-Bit/24-Bit ꢀ-ꢁ

ADCs with Embedded 62 kB Flash MCU

ADuC834

FEATURES

FUNCTIONAL BLOCK DIAGRAM

High Resolution ꢀ-ꢁ ADCs

2 Independent ADCs (16-Bit and 24-Bit Resolution)

24-Bit No Missing Codes, Primary ADC

21-Bit rms (18.5-Bit p-p) Effective Resolution @ 20 Hz

Offset Drift 10 nV/ꢃC, Gain Drift 0.5 ppm/ꢃC

Memory

62 Kbytes On-Chip Flash/EE Program Memory

4 Kbytes On-Chip Flash/EE Data Memory

Flash/EE, 100 Year Retention, 100 Kcycles Endurance

3 Levels of Flash/EE Program Memory Security

In-Circuit Serial Download (No External Hardware)

High Speed User Download (5 Seconds)

2304 Bytes On-Chip Data RAM

ADuC834

IEXC1

IEXC2

CURRENT

SOURCE

AIN1

AIN2

PRIMARY

24-BITꢀ-ꢁ ADC

BUF

PGA

MUX

12-BIT

DAC

BUF

DAC

AIN3

AIN4

AIN5

AGND

DUAL

16-BIT

ꢀ-ꢁDAC

AUXILIARY

16-BITꢀ-ꢁ ADC

PWM0

PWM1

MUX

TEMP

SENSOR

DUAL

16-BIT

PWM

EXTERNAL

INTERNAL

BAND GAP

REFIN–

REFIN+

REF

DETECT

REF

8051-BASED MCU WITH ADDITIONAL

PERIPHERALS

RESET

62 KBYTES FLASH/EE PROGRAM MEMORY

4 KBYTES FLASH/EE DATA MEMORY

2304 BYTES USER RAM

8051-Based Core

8051 Compatible Instruction Set

32 kHz External Crystal

POR

3 ꢂ 16 BIT TIMERS

BAUDRATE TIMER

POWER SUPPLY MON

WATCHDOG TIMER

DGND

PLL AND PROG

CLOCK DIV

On-Chip Programmable PLL (12.58 MHz Max)

3 ꢂ 16-Bit Timer/Counter

UART, SPI, AND I²C

SERIAL I/O

4 ꢂ PARALLEL

PORTS

WAKE-UP/

RTC TIMER

OSC

26 Programmable I/O Lines

XTAL1 XTAL2

11 Interrupt Sources, Two Priority Levels

Dual Data Pointer, Extended 11-Bit Stack Pointer

On-Chip Peripherals

Internal Power on Reset Circuit

12-Bit Voltage Output DAC

GENERAL DESCRIPTION

The ADuC834 is a complete smart transducer front end,

integrating two high resolution ꢀ-ꢁ ADCs, an 8-bit MCU, and

Dual 16-Bit ꢀ-ꢁ DACs/PWMs

On-Chip Temperature Sensor

program/data Flash/EE memory on a single chip.

The two independent ADCs (primary and auxiliary) include a

temperature sensor and a PGA (allowing direct measurement of

low level signals). The ADCs with on-chip digital filtering and

programmable output data rates are intended for the measurement

of wide dynamic range, low frequency signals, such as those in

weigh scale, strain-gage, pressure transducer, or temperature

measurement applications.

Dual Excitation Current Sources

Time Interval Counter (Wake-Up/RTC Timer)

UART, SPI^®, and I²C^®Serial I/O

High Speed Baud Rate Generator (Including 115,200)

Watchdog Timer (WDT)

Power Supply Monitor (PSM)

Power

Normal: 2.3 mA Max @ 3.6 V (Core CLK = 1.57 MHz)

Power-Down: 20 ꢄA Max with Wake-Up Timer Running

Specified for 3 V and 5 V Operation

Package and Temperature Range

The device operates from a 32 kHz crystal with an on-chip PLL

generating a high frequency clock of 12.58 MHz. This clock is

routed through a programmable clock divider from which the MCU

core clock operating frequency is generated. The microcontroller

core is an 8052 and therefore 8051 instruction set compatible

with 12 core clock periods per machine cycle.

52-Lead MQFP (14 mm

56-Lead LFCSP (8 mm

ꢂ

14 mm), –40

ꢃC to +125ꢃC

ꢂ

8 mm), –40 C to +85ꢃC

ꢃ

62 Kbytes of nonvolatile Flash/EE program memory, 4 Kbytes of

nonvolatile Flash/EE data memory, and 2304 bytes of data RAM

are provided on-chip. The program memory can be configured

as data memory to give up to 60 Kbytes of NV data memory in

data logging applications.

APPLICATIONS

Intelligent Sensors

Weigh Scales

Portable Instrumentation, Battery-Powered Systems

4–20 mA Transmitters

Data Logging

Precision System Monitoring

On-chip factory firmware supports in-circuit serial download and

debug modes (via UART), as well as single-pin emulation mode

via the EA pin. The ADuC834 is supported by a QuickStart™

development system featuring low cost software and hardware

development tools.

REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. 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 companies.

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...80

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ADUC816BSZ 替代型号

型号	品牌	替代类型	描述	数据表
ADUC816BSZ-REEL	ADI	类似代替	MicroConverter®, Dual-Channel 16-Bit ADCs with Embedded Flash MCU
ADUC816BS	ADI	功能相似	MicroConverter-R, Dual-Channel 16-Bit ADCs with Embedded Flash MCU

与ADUC816BSZ相关器件

型号	品牌	获取价格	描述	数据表
ADUC816BSZ-REEL	ADI	获取价格	MicroConverter®, Dual-Channel 16-Bit ADCs with Embedded Flash MCU
ADUC824	ADI	获取价格	MicroConverter, Dual-Channel 16-/24-Bit ADCs with Embedded FLASH MCU
ADUC824B2BS	ADI	获取价格	IC 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52, PLASTIC, MQFP-52, Microcontroller
ADUC824BS	ADI	获取价格	MicroConverter, Dual-Channel 16-/24-Bit ADCs with Embedded FLASH MCU
ADUC824BS	ROCHESTER	获取价格	8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52, PLASTIC, MQFP-52
ADUC824BS-REEL	ROCHESTER	获取价格	8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52, PLASTIC, MQFP-52
ADUC824BS-REEL	ADI	获取价格	8-BIT, FLASH, 12.58MHz, MICROCONTROLLER, PQFP52, PLASTIC, MQFP-52
ADUC824BSZ	ADI	获取价格	MicroConverterÂ®, Dual-Channel 16-/24-Bit ADC
ADUC831	ADI	获取价格	MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU
ADUC831BCP	ADI	获取价格	MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU

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