參數(shù)資料
型號: MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級的8位微控制器單元)
中文描述: 28引腳單片機(微控制器)的基礎(chǔ)上MC68HC05P4(28引腳,基于MC68HC05P4升級的8位微控制器單元)
文件頁數(shù): 16/102頁
文件大?。?/td> 930K
代理商: MC68HC05P4A
Advance Information
MC68HC05P4A — Rev. 6.0
16
General Description
MOTOROLA
General Description
1.3 Features
Features of the MC68HC05P4A include:
Low cost
HC05 core
28-pin package
On-chip oscillator with RC (resistor capacitor) or crystal/ceramic
resonator mask options
4160 bytes of user read-only memory (ROM), including 16 user
vector locations
ROM security feature
1
176 bytes of on-chip random-access memory (RAM)
16-bit timer
20 bidirectional input/output (I/O) lines, one input-only line
Mask programmable keyscan (pullups and interrupt) on eight port
pins (PA0–PA7)
Two port pins with high current drive capability
User mode
Self-check mode
Power-saving stop and wait modes
Edge-sensitive or edge- and level-sensitive interrupt trigger mask
option
Simple serial I/O port
Mask option selectable computer operating properly (COP)
watchdog timer
1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading or
copying the ROM difficult for unauthorized users.
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