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參數(shù)資料
| 型號： | AN1746 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 英文描述： | Migrating from the MC68HC705K1 to the MC68HC705KJ1 |
| 中文描述： | 從MC68HC705K1遷移到MC68HC705KJ1 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 308K |
| 代理商： | AN1746 |
Application Note
AN1746
For information on migrating your design to the K3, consult the
application note titled Migrating from the MC68HC705K1 to the
MC68HC805K3, Freescale document order number AN1747/D.
MC68HC705KJ 1
Features
1240 bytes of user EPROM
64 bytes of low-power user RAM
4-MHz maximum internal bus frequency at 5 volts
15-stage multifunction timer
COP watchdog timer
10 bidirectional input/output (I/O) pins, including:
–
10-mA sink capability on all I/O pins
–
5.5-mA source capability on six I/O pins
–
Software programmable pulldowns on all I/O pins
–
Keyboard scan with selectable interrupt on four I/O pins
Selectable sensitivity on external interrupt; edge- and level-
sensitive or edge-sensitive only
On-chip oscillator with options for:
–
Crystal
–
Ceramic resonator
–
Resistor-capacitor (RC) oscillator (MC68HRC705KJ1) with or
without external resistor
–
Low-speed (32 kHz) crystal (MC68HLC705KJ1)
–
External clock
External interrupt mask bit and acknowledge bit
EPROM security bit
1
to aid in locking out access to programmable
EPROM array
Selectable STOP conversion to HALT and option for fast restart
and power-on reset
Internal steering diode and pullup device on RESET pin to V
DD
1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading or
copying the EPROM/OTPROM difficult for unauthorized users.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關代理商/技術參數(shù) |
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| AN174-6A | 制造商:MAJOR 功能描述: |
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