MAXQ3212

更新时间： 2024-10-03 03:13:59

品牌	Logo	应用领域
美信 - MAXIM		驱动器比较器微控制器
页数	文件大小	规格书
25页	359K
描述
Microcontroller with Analog Comparator and LED Driver

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数据手册

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MAXQ3212 数据手册

Rev 0; 5/06

Microcontroller with Analog Comparator

and LED Driver

General Description

Features

♦ High-Performance, Low-Power, 16-Bit RISC Core

DC to 3.58MHz Operation, Approaching 1MIPS

per MHz

The MAXQ3212 microcontroller is a low-power, 16-bit

RISC device that incorporates an analog comparator

and a high-current I/O pin for directly driving an LED.

The device is uniquely suited for cost-conscious appli-

cations such as battery-powered devices, system moni-

tors, and white goods, but can be used in any

application that requires high performance and low-

power operation. The high-performance 16-bit

+5V 1ꢀ0 Operation

Up to 15 General-Purpose I/O Pins

33 Instructions, Most Single-Cycle

Two Independent Data Pointers Accelerate Data

Movement with Automatic Increment/Decrement

Two Loop Counters

RISC MAXQ core and 8-bit accumulators are comple-

mented by standard amenities such as timers and digi-

tal I/O. The power consumption per MIPS ratio is

among the best in the 16-bit microcontroller industry.

4-Level Hardware Stack

16-Bit Instruction Word, 16-Bit Data Bus

16 x 8-Bit Accumulators

16 x 16 General-Purpose Working Registers

Optimized for C Compiler (High-Speed/Density

Code)

Applications

Gas and Chemical Sensors

Environmental Systems

Battery-Powered and Portable Devices

Electrochemical and Optical Sensors

Industrial Control

JTAG-Like Debug/Visibility Port

♦ Program and Data Memory

1kWord EEPROM Program Memory, Mask ROM

for High-Volume Applications

Home Appliances

Pin Configuration

128 Bytes EEPROM Data Memory

6ꢀ,ꢀꢀꢀ EEPROM Write/Erase Cycles

64 Bytes SRAM Data Memory

TOP VIEW

GND

24 CMPI/P0.5

23 INT/P0.6

22 LED/P0.7

21 TDI/P1.0

20 RESET/P1.1

19 TMS/P1.2

In-System Programming

/P0.4

REF

♦ Peripheral Features

CMP0/P0.3

T2P/P0.2

T2PB/P0.1

P0.0

16-Bit Programmable Timer/Counter with Prescaler

High-Current I/O Pin Suitable for LED Drive

Programmable Watchdog Timer

Selectable Power-Fail Reset

Power-On Reset (POR)

MAXQ3212

P1.6

Wake-Up Timer

Internal 8kHz Ring Oscillator

P1.5

TDO/P1.4

16 N.C.

15 GND

14 N.C.

13 GND

♦ Flexible Programming Interface

Bootloader Simplifies Programming

In-System Programming Through JTAG

Supports In-Application Programming of EEPROM

Memory

TCK/P1.3 10

HFXIN 11

HFXOUT 12

PDIP/TSSOP

♦ Ultra-Low-Power Consumption

2.7µA Stop Mode Current (typ)

Low-Power Divide-by-256 Mode

Typical Operating Circuit and Ordering Information appear

at end of data sheet.

MAXQ is a registered trademark of Maxim Integrated Products, Inc.

♦ Analog Features

Note: Some revisions of this device may incorporate deviations

from published specifications known as errata. Multiple revisions

of any device may be simultaneously available through various

sales channels. For information about device errata, go to:

www.maxim-ic.com/errata.

Analog Comparator Uses Internal or External Voltage

Reference

+2.5V Reference Output Available

______________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...25

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与MAXQ3212相关器件

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