ADUC702X Analog Devices, ADUC702X Datasheet

ADUC702X

Manufacturer Part Number

ADUC702X

Description

Precision Analog Microcontroller 12-bit Analog I/O/ ARM7TDMI MCU

Manufacturer

Analog Devices

Datasheet

1.ADUC702X.pdf (80 pages)

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Preliminary Technical Data

FEATURES

Analog I/O

Microcontroller

Clocking options: - Trimmed On-Chip Oscillator (± 3%)

Memory

On-Chip Peripherals

Rev. PrB

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 companies.

Multi-Channel, 12-bit, 1MSPS ADC

Fully differential and single-ended modes

0 to V

12-bit Voltage Output DACs

On-Chip 20ppm/°C Voltage Reference

On-Chip Temperature Sensor (±3°C)

Uncommitted Voltage Comparator

62k Bytes Flash/EE Memory, 8k Bytes SRAM

In-Circuit Download, JTAG based Debug

Software triggered in-circuit re-programmability

UART, 2 X I

Up to 40-Pin GPIO Port*

ARM7TDMI Core, 16/32-bit RISC architecture

JTAG Port supports code download and debug

45MHz PLL with Programmable Divider

- Up to 16 ADC channels *

- Up to 4 DAC outputs available*

REF

Analog Input Range

C and SPI Serial I/O

- External Watch crystal

- External clock source

CMP

XCLKO

ADC0

ADC11

CMP0

CMP1

XCLKI

RST

OUT

REF

& PLL

OSC

PSM

POR

MUX

POSE TIMERS

FUNCTIONAL BLOCK DIAGRAM

4 GEN. PUR-

PLA

12-BIT ADC

ARM7TDMI-BASED MCU WITH

BANDGAP

SENSOR

ADDITIONAL PERIPHERALS

1MSPS

TEMP

REF

31kX16 FLASH/EEPROM

2kX32 SRAM

UART, SPI, I 2 C

SERIAL I/O

Figure 1

12-bit Analog I/O, ARM7TDMI® MCU

ADuC7026*

Power

Packages and Temperature Range

Tools

* Package, PWM, GPIO availability and number of Analog I/O

depend on part model. See page 9.

APPLICATIONS

Industrial Control and Automation Systems

Smart Sensors, Precision Instrumentation

Base Station Systems, Optical Networking

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

Tel: 781.329.4700

Fax: 781.326.8703

Precision Analog Microcontroller

4 X General Purpose Timers

Wake-up and Watchdog Timers

Power Supply Monitor

Three-phase 16-bit PWM generator*

PLA – Programmable Logic (Array)

Specified for 3V operation

Active Mode:

From 40 lead 6x6mm LFCSP to 80 pin LQFP*

Fully specified for –40°C to 125°C operation

Low-Cost QuickStart Development System

Full Third-Party Support

GPIO

JTAG

12-BIT DAC

Three-

phase

EXT. MEMORY

PWM

INTERFACE

3mA (@1MHz)

50mA (@45MHz)

ADuC702x Series

(See general description on page 11)

DAC0

DAC1

DAC2

DAC3

PWM0H

PWM0L

PWM1H

PWM1L

PWM2H

PWM2L

www.analog.com

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