Datasheet > ADUC7128

ADUC7128

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		微控制器数据分配系统
页数	文件大小	规格书
92页	744K
描述
Precision Analog Microcontroller ARM7TDMI MCU with 12-bit ADC & DDS DAC

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ADUC7128 数据手册

Precision Analog Microcontroller

ARM7TDMI® MCU with 12-bit ADC & DDS DAC

Preliminary Technical Data

ADuC7128

Memory

FEATURES

Analog I/O

Multi-Channel, 12-bit, 1MSPS ADC

- 10 ADC channels

- Fully differential and single-ended modes

- 0 to V_REFAnalog Input Range

10-bit DAC

126k Bytes Flash/EE Memory, 8k Bytes SRAM

In-Circuit Download, JTAG based Debug

Software triggered in-circuit re-programmability

On-Chip Peripherals

2 x UART, 2 x I²C® and SPI Serial I/O

28-Pin GPIO Port

5 X General Purpose Timers

Wake-up and Watchdog Timers

Power Supply Monitor

- 32-bit 21MHz DDS

- Current-to-Voltage (I/V) Conversion

- Integrated 2^ndorder LPF

16-bit PWM generator

Quadrature Encoder

- DDS Input to DAC

PLA – Programmable Logic (Array)

Power

- 100ohm Line Driver

On-Chip Voltage Reference

Specified for 3V operation

Active Mode: 11mA (@5MHz)

45mA (@41.78 MHz)

On-Chip Temperature Sensor ( 3ꢀC)

Uncommitted Voltage Comparator

Microcontroller

Packages and Temperature Range

64 lead LFCSP (9mm x 9mm) package –40ꢀC to 85ꢀC

Tools

Low-Cost QuickStart Development System

Full Third-Party Support

ARM7TDMI Core, 16/32-bit RISC architecture

JTAG Port supports code download and debug

External Watch crystal/ Clock Source

- 41.78 MHz PLL with 8 way Programmable Divider

- Optional Trimmed On-Chip Oscillator

FUNCTIONAL BLOCK DIAGRAM

ADC0

12-BIT SAR

ADC 1MSPS

MUX

T/H

VDAC

LD1TX

10-BIT

IOUT DAC

TEMP

SENSOR

DDS

I/V

LD2TX

CMP0

CMP1

BAND GAP

REFERENCE

CMP_OUT

ADuC7128

V_REF

PWM1

PWM2

PWM3

PWM4

PWM5

PWM6

ARM7TDMI - BASED MCU

WITH ADDITIONAL PERIPHERALS

PWM

5 GEN PURPOSE

2 KBYTES

TIMERS

RST

POR

OSC/PLL

PSM

8192 BYTES

SRAM

64 KBYTES

FLASH/EE

62 KBYTES

FLASH/EE

WAKE-UP/

RTC TIMER

XCLKI

XCLKO

XCLK

INTERRUPT

CONTROLLER

(2k x 32 bits)

(31k x 16 bits)

(32k x 16 bits)

Quad

Encoder

GPIO

CONTROL

I²C

UART0 UART1

JTAG

PLA

SPI

. . .

JTAG

. . .

Figure 1. Basic Block Diagram

Rev. PrA

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.

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

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