參數(shù)資料
型號: MC68HC05C9ACB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封裝: SHRINK, PLASTIC, DIP-42
文件頁數(shù): 33/160頁
文件大?。?/td> 4128K
代理商: MC68HC05C9ACB
NON-DISCLOSURE
AGREEMENT
REQUIRED
Electrical Specications
General Release Specification
MC68HC05C9A Rev. 4.0
Electrical Specifications
Figure 12-4. TCAP Timing Relationships
Table 12-4. Control Timing (VDD = 3.3 V)
(1)
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation
Crystal
External Clock
fOSC
DC
2.0
MHz
Internal Operating Frequency (fOSC ÷ 2)
Crystal
External Clock
fOP
DC
1.0
MHz
Cycle Time
tCYC
1000
ns
Crystal Oscillator Start-up 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
250
ns
Interrupt Pulse Period
tILIL
(4)
—tCYC
OSC1 Pulse Width
tOH,tOL
200
ns
NOTES:
1. V
DD = 3.3Vdc ± 0.3 Vdc, 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.
t
TLTL
*
TCAP PIN
t
TH
*
t
TL
*
* Refer to timer resolution data in Table 12-3 and Table 12-4.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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