ADUC841BCPZ62-5 datasheet, PDF

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ADUC841BCPZ62-5: DescriptionIC MCU 8BIT 62KB FLASH 56LFCSP; Categorysemiconductor The embedded processor and controller; File Size1MB，95 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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ADUC841BCPZ62-5 Overview

IC MCU 8BIT 62KB FLASH 56LFCSP

ADUC841BCPZ62-5 Parametric

Parameter Name	Attribute value
core processor	8052
core size	8-bit
speed	20MHz
Connectivity	I²C，SPI，UART/USART
Peripheral	DMA, PSM, PWM, temperature sensor, WDT
Number of I/Os	32
Program storage capacity	62KB（62K x 8）
Program memory type	flash memory
EEPROM capacity	-
RAM capacity	2.25K x 8
Voltage - Power Supply (Vcc/Vdd)	4.75 V ~ 5.25 V
data converter	A/D 8x12b，D/A 2x12b
Oscillator type	internal
Operating temperature	-40°C ~ 85°C（TA）
Package/casing	56-VFQFN Exposed Pad, CSP
Supplier device packaging	56-LFCSP-VQ（8x8）

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MicroConverter 12-Bit ADCs and DACs with

Embedded High Speed 62 kB Flash MCU

Data Sheet

FEATURES

Pin compatible upgrade of

ADuC812/ADuC831/ADuC832

Increased performance

Single-cycle 20 MIPS 8052 core

High speed 420 kSPS 12-bit ADC

Increased memory

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

8 mm × 8 mm chip scale package

52-lead PQFP—pin-compatible upgrade

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 DACs

Dual output PWM ∑-∆ DACs

On-chip temperature monitor function

8052 based core

8051 compatible instruction set (20 MHz max)

High performance single-cycle core

32 kHz external crystal, on-chip programmable PLL

12 interrupt sources, 2 priority levels

Dual data pointers, extended 11-bit stack pointer

On-chip peripherals

Time interval counter (TIC)

UART, I

C®, and SPI® Serial I/O

Watchdog timer (WDT)

Power supply monitor (PSM)

Power

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

Power-down: 10 µA @ 3 V

Development tools

Low cost, comprehensive development system

incorporating nonintrusive single-pin emulation,

IDE based assembly and C source debugging

ADuC841/ADuC842/ADuC843

FUNCTIONAL BLOCK DIAGRAM

ADuC841/ADuC842/ADuC843

12-BIT

DAC

BUF

DAC

ADC0

ADC1

T/H

12-BIT ADC

12-BIT

DAC

BUF

DAC

MUX

ADC5

ADC6

ADC7

HARDWARE

CALIBRATON

TEMP

SENSOR

16-BIT

Σ-∆

DAC

16-BIT

Σ-∆

DAC

MUX

16-BIT

PWM

PWM1

PWM0

16-BIT

PWM

20 MIPS 8052 BASED MCU WITH ADDITIONAL

PERIPHERALS

PLL

62 kBYTES FLASH/EE PROGRAM MEMORY

4 kBYTES FLASH/EE DATA MEMORY

2304 BYTES USER RAM

16 BIT TIMERS

REAL TIME CLOCK

OSC

PARALLEL

PORTS

POWER SUPPLY MON

WATCHDOG TIMER

UART, I

C, AND SPI

SERIAL I/O

03260-0-001

INTERNAL

BAND GAP

VREF

CREF

XTAL1

XTAL2

Figure 1.

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.

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.

The

ADuC843

is identical to the

ADuC842

except that the

ADuC843

has no analog DAC outputs.

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.

APPLICATIONS

Optical networking—laser power control

Base station systems

Precision instrumentation, smart sensors

Transient capture systems

DAS and communications systems

ADuC841/ADuC842

only.

ADuC842/ADuC843

only,

ADuC841

driven directly by external crystal.

Rev. B

Document Feedback

Protected by U.S. Patent No. 5,969,657.

(continued

on page 23)

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.

Technical Support

www.analog.com

ADuC841/ADuC842/ADuC843

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Absolute Maximum Ratings ............................................................ 8

ESD Caution .................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Terminology .................................................................................... 19

ADC Specifications .................................................................... 19

DAC Specifications..................................................................... 19

Typical Performance Characteristics ........................................... 20

Functional Description .................................................................. 24

8052 Instruction Set ................................................................... 24

Other Single-Cycle Core Features ............................................ 26

Memory Organization ............................................................... 27

Special Function Registers (SFRs) ............................................ 28

Accumulator SFR (ACC) ........................................................... 29

Special Function Register Banks .............................................. 30

ADC Circuit Information.......................................................... 31

Calibrating the ADC .................................................................. 38

Nonvolatile Flash/EE Memory ................................................. 39

Using Flash/EE Data Memory .................................................. 42

Data Sheet

User Interface to On-Chip Peripherals.................................... 46

On-Chip PLL .............................................................................. 49

Pulse-Width Modulator (PWM) .............................................. 50

Serial Peripheral Interface (SPI) ............................................... 53

C Compatible Interface ........................................................... 56

Dual Data Pointer....................................................................... 59

Power Supply Monitor ............................................................... 60

Watchdog Timer ......................................................................... 61

Time Interval Counter (TIC) .................................................... 62

8052 Compatible On-Chip Peripherals ................................... 65

Timer/Counter 0 and 1 Operating Modes .............................. 70

Timer/Counter Operating Modes............................................ 72

UART Serial Interface ................................................................ 73

SBUF ............................................................................................ 73

Interrupt System ......................................................................... 78

Hardware Design Considerations ............................................ 80

Other Hardware Considerations .............................................. 84

Development Tools .................................................................... 85

QuickStart Development System ............................................. 85

Timing Specifications

, ,

.................................................................. 86

Outline Dimensions ....................................................................... 94

Ordering Guide .......................................................................... 95

REVISION HISTORY

6/2017—Rev. A to Rev. B

Change to Notes, Figure 4 ............................................................. 14

Changes to Figure 96 ...................................................................... 95

4/2016—Rev. 0 to Rev. A

Added Patent Note, Note 1 .............................................................. 1

Changes to Figure 3 and Table 3 ..................................................... 9

Changes to Figure 4 ........................................................................ 14

Added Table 4; Renumbered Sequentially .................................. 14

Changes to Using the DAC Section ............................................. 47

Updated Outline Dimensions ....................................................... 94

Changes to Ordering Guide .......................................................... 95

11/2003—Revision 0: Initial Version

Rev. B | Page 2 of 95

ADUC841BCPZ62-5 Related Products

	ADUC841BCPZ62-5	ADUC841BCPZ8-5	ADUC843BCP32Z-5	ADUC843BCP62Z-5	ADUC843BCP32-5Z	ADUC841BSZ62-5	ADUC842BSZ62-5	ADUC841BS62-3
Description	IC MCU 8BIT 62KB FLASH 56LFCSP	IC MCU 8BIT 8KB FLASH 56LFCSP	IC MCU 8BIT 32KB FLASH 56LFCSP	IC MCU 8BIT 62KB FLASH 56LFCSP	8-bit microcontroller-MCU Microconverter, ADUC842 without DAC's		ICMCU8BIT62KBFLASH52MQFP	ADUC841BS62-3
speed	20MHz	20MHz	16.78MHz	16.78MHz	-	-	-	8.38 MHz

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