參數(shù)資料
型號: MC68HSC05C9ACFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 32/160頁
文件大?。?/td> 4128K
代理商: MC68HSC05C9ACFB
Electrical Specifications
Control Timing
MC68HC05C9A Rev. 4.0
General Release Specification
Electrical Specifications
NON-DISCLOSURE
AGREEMENT
REQUIRED
12.7 Control Timing
Table 12-3. Control Timing (VDD = 5.0 V ±10%)
(1)
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation
Crystal
External Clock
fOSC
DC
4.2
MHz
Internal Operating Frequency (fOSC ÷ 2)
Crystal
External Clock
fOP
DC
2.1
MHz
Cycle Time
tCYC
480
ns
Crystal Oscillator Startup Time
tOXOV
100
ms
Stop Recovery Start-up Time (Crystal Oscillator)
tILCH
100
ms
RESET Pulse Width
tRL
1.5
tCYC
Timer
Resolution(2)
Input Capture Pulse Width
Input Capture Pulse Period
tRESL
tTH, tTL
tTLTL
4.0
125
(3)
tCYC
ns
tCYC
Interrupt Pulse Width Low (Edge-Triggered)
tILIH
125
ns
Interrupt Pulse Period
tILIL
(4)
—tCYC
OSC1 Pulse Width
tOH,tOL
90
ns
NOTES:
1. V
DD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = –40 to +85 °C, unless otherwise noted
2. Because a 2-bit prescaler in the timer must count four internal cycles (t
CYC), this is the limiting
minimum factor in determining the timer resolution.
3. The minimum period t
TLTL should not be less than the number of cycle times it takes to execute the
capture interrupt service routine plus 24 t
CYC.
4. The minimum t
ILIL should not be less than the number of cycle times it takes to execute the
interrupt service routine plus 19 t
CYC.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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