參數(shù)資料
型號(hào): MC68HC705C8ACP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Microcontroller Unit
中文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 13/108頁
文件大?。?/td> 718K
代理商: MC68HC705C8ACP
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
Freescale Semiconductor
13
Chapter 1
Introduction
1.1 Features
Features on the MC68HC705KJ1 include:
Robust noise immunity
4.0-MHz internal operating frequency at 5.0 V
1240 Bytes of EPROM/OTPROM (electrically programmable read-only memory/one-time
programmable read-only memory), including eight bytes for user vectors
64 bytes of user RAM
Peripheral modules:
15-stage multifunction timer
Computer operating properly (COP) watchdog
10 bidirectional input/output (I/O) lines, including:
10-mA sink capability on all I/O pins
Software programmable pulldowns on all I/O pins
Keyboard scan with selectable interrupt on four I/O pins
5.5-mA source capability on six I/O pins
Selectable sensitivity on external interrupt (edge- and level-sensitive or edge-sensitive only)
On-chip oscillator with connections for:
Crystal
Ceramic resonator
Resistor-capacitor (RC) oscillator (MC68HRC705KJ1) with or without external resistor
External clock
Low-speed (32-kHz) crystal (MC68HLC705KJ1)
Memory-mapped I/O registers
Fully static operation with no minimum clock speed
Power-saving stop, halt, wait, and data-retention modes
External interrupt mask bit and acknowledge bit
Illegal address reset
Internal steering diode and pullup resistor from RESET pin to V
DD
Selectable EPROM security
(1)
Selectable oscillator bias resistor
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the EPROM/OTPROM
difficult for unauthorized users.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC705C8ACPB 制造商:Freescale Semiconductor 功能描述:
MC68HC705C8ACPE 制造商:Freescale Semiconductor 功能描述:
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MC68HC705C8AFU 制造商:Rochester Electronics LLC 功能描述:8-BIT MCU W/BLANK EPROM - Bulk
MC68HC705C8AVFB 制造商:Rochester Electronics LLC 功能描述:- Bulk