Datasheet > PIC16F874A-E/ML

PIC16F874A-E/ML

更新时间： 2024-11-16 19:07:11

品牌	Logo	应用领域
美国微芯 - MICROCHIP		微控制器
页数	文件大小	规格书
12页	412K
描述
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC

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PIC16F874A-E/ML 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFN
针数：	44	Reach Compliance Code：	compliant
风险等级：	5.27	位大小：	8
CPU系列：	PIC	JESD-30 代码：	S-PQCC-N44
JESD-609代码：	e3	端子数量：	44
片上程序ROM宽度：	14	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCN	封装等效代码：	LCC44,.35SQ,25
封装形状：	SQUARE	封装形式：	CHIP CARRIER
电源：	5 V	认证状态：	Not Qualified
RAM（字节）：	192	ROM（单词）：	4096
ROM可编程性：	FLASH	速度：	20 MHz
子类别：	Microcontrollers	最大压摆率：	15 mA
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.635 mm	端子位置：	QUAD
Base Number Matches：	1

PIC16F874A-E/ML 数据手册

MPLAB^®ICE 2000

Processor Module and Device Adapter Specification

CONTENTS

2.0

MPLAB ICE 2000 SYSTEM

1.0 Introduction......................................................... 1

2.0 MPLAB ICE 2000 System................................... 1

3.0 Emulator-Related Issues .................................... 2

4.0 Processor Modules............................................. 2

5.0 Device Adapter Issues........................................ 4

A brief overview of the different components of the

system is shown in the figure below. Each component

is discussed in the following subsections.

FIGURE 2-1: MPLAB ICE 2000 EMULATOR

SYSTEM

Host to Pod Cable

Emulator Pod

1.0

INTRODUCTION

Processor Module

The processor modules for MPLAB ICE 2000 are

interchangeable personality modules that allow

MPLAB ICE 2000 to be reconfigured for emulation of

Flexible Circuit

Cable

Logic Probe

different PICmicro microcontrollers (MCUs). This

Connector

modularity allows the emulation of many different

devices with the addition of a processor module and

device adapter, which provides a very cost effective

multiprocessor emulation system.

Device

Adapter

Transition

Socket

The device adapters for MPLAB ICE 2000 are inter-

changeable assemblies that allow the emulator system

to interface to a target application system. device

adapters also have control logic that allows the target

application to provide a clock source and power to the

processor module. The device adapters support

PICmicro MCUs in DIP, SDIP and PLCC packages.

2.1

Host to Pod Cable

This is a standard parallel interface cable. MPLAB ICE

2000 is tested with a 6-foot cable. A longer cable may

work, but is not guaranteed. The cable connects to a

parallel port on the PC. If a PC has a printer connected

to an LPT device, it is recommended that an additional

interface card be installed, rather than using a splitter

or an A/B switch.

Transition Sockets, used along with a device adapter,

provide a method of accommodating all PICmicro MCU

packages, including SOIC, SSOP, PQFP and TQFP

packages.

2.2

Emulator Pod

The Emulator Pod contains emulator memory and

control logic. MPLAB ICE 2000 contains a main board

and an additional board for expanded trace memory

and complex control logic. There are no field service-

able parts in the pod. For more information on the pod,

see the MPLAB ICE 2000 on-line help file in MPLAB

IDE (Help>Topics) or the MPLAB ICE 2000 User’s

Guide (DS51488).

The MPLAB ICE 2000 processor module is inserted

into the pod for operation.

2.3

Processor Module

The processor module contains the emulator chip, logic

and low-voltage circuitry. There are no field serviceable

parts mounted on the printed circuit board housed

within the processor module enclosure.

 2004 Microchip Technology Inc.

DS51140J-page 1

12 3 4 5 6 7...12

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与PIC16F874A-E/ML相关器件

型号	品牌	获取价格	描述	数据表
PIC16F874A-E/P	MICROCHIP	获取价格	8-BIT, FLASH, RISC MICROCONTROLLER, PDIP40, 0.600 INCH, PLASTIC, MO-011, DIP-40
PIC16F874A-E/PT	MICROCHIP	获取价格	8-BIT, FLASH, RISC MICROCONTROLLER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, PLASTIC, MS-026, TQFP
PIC16F874AI/L	MICROCHIP	获取价格	28/40-pin Enhanced FLASH Microcontrollers
PIC16F874A-I/L	MICROCHIP	获取价格	暂无描述
PIC16F874AI/ML	MICROCHIP	获取价格	28/40-pin Enhanced FLASH Microcontrollers
PIC16F874A-I/ML	MICROCHIP	获取价格	暂无描述
PIC16F874AI/P	MICROCHIP	获取价格	28/40-pin Enhanced FLASH Microcontrollers
PIC16F874A-I/P	MICROCHIP	获取价格	8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDIP40, 0.600 INCH, PLASTIC, MO-011, DIP-40
PIC16F874AI/PT	MICROCHIP	获取价格	28/40-pin Enhanced FLASH Microcontrollers
PIC16F874A-I/PTG	MICROCHIP	获取价格	RISC MICROCONTROLLER

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