參數(shù)資料
型號: MC68HC05L25PB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP52
封裝: TQFP-52
文件頁數(shù): 35/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
13
Chapter 1
General Description
1.1 Introduction
The MC68HC05L25 is a member of M68HC05 Family of low-cost microcontroller units (MCUs). A
functional block diagram of the MC68HC05L25 is shown in Figure 1-1.
1.2 Features
Low-Cost, HC05 Core
48-Pin Quad Flat Pack (VQFP) and
52-Pin Quad Flat Pack (TQFP)
6160 Bytes of User ROM, Including 16 Bytes of User Vectors
176 Bytes of User RAM
24 x 4 or 25 x 3 Multiplexed Liquid Crystal Display (LCD) Driver
Serial Peripheral Interface (SPI)
Two-Channel Analog-to-Digital (A/D) Converter
16-Bit Event Counter
Time Base Timer
Computer Operating Properly (COP) Watchdog Timer
Infrared (IR) Remote Carrier Output (Software Selectable 33-to-67 Percent or 50-to-50 Percent
Duty)
Buzzer Output (Software-Selectable Frequencies)
20 Bidirectional Input/Output (I/O) Lines, Including:
Four Key Wakeup Input Lines
Software-Programmable Pullups
Software-Programmable Open-Drain Lines
High-Current (20 mA) Lines
Software-Selectable Sensitivity on IRQ Interrupt
(Edge- and Level-Sensitive or Edge-Sensitive Only)
STOP Instruction Disable Option
On-Chip Dual 4-MHz/32-kHz (Typical) Oscillator Circuits
Single-Chip, Self-Check, and Test Modes
Power-Saving Stop and Wait Modes
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