参数资料
型号: MC68HC705P9CS
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, CDIP28
封装: CERDIP-28
文件页数: 53/160页
文件大小: 2208K
代理商: MC68HC705P9CS
Electrical Specifications
Technical Data
MC68HC705P9 — Rev. 4.0
146
Electrical Specifications
MOTOROLA
12.11 5.0-Volt Control Timing
Characteristic
Symbol
Min
Max
Unit
Oscillator Frequency
Crystal
External Clock
fOSC
dc
4.2
MHz
Internal Operating Frequency (fOSC ÷ 2)
Crystal
External Clock
fOP
dc
2.1
MHz
Cycle Time (1
÷ f
OP)tCYC
480
ns
Crystal Oscillator Startup Time
tOXOV
100
ms
Stop Recovery Startup Time (Crystal Oscillator)
tILCH
100
ms
RESET Pulse Width
tRL
1.5
tCYC
Timer
Resolution(1)
Input Capture Pulse Width
Input Capture Pulse Period
1. A 2-bit prescaler in the timer is the limiting factor as it counts 4 tCYC
tRESL
tH, tL
tTLTL
4.0
125
Note(2)
2. The minimum tTLTL should not be less than the number of interrupt service routine cycles plus
19 tCYC
tCYC
ns
tCYC
Interrupt Pulse Width Low (Edge-Triggered)
tILIH
125
ns
Interrupt Pulse Period
tILIL
Note(3)
3. The minimum tILIL should not be less than the number of interrupt service routine cycles plus
19 tCYC
tCYC
OSC1 Pulse Width
tOH, tOL
90
ns
RC Oscillator Stabilization Time
tRCON
5
s
ADC On Current Stabilization Time
tADON
100
s
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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