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| 型號： | MC68HLC705KJ1CP |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 14/108頁 |
| 文件大?。?/td> | 719K |
| 代理商： | MC68HLC705KJ1CP |
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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 VDD
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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