參數(shù)資料
型號: MC68HC05C9ACFN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 56/160頁
文件大?。?/td> 783K
代理商: MC68HC05C9ACFN
MC68HSC05C9A
MC68HC05C9A Rev. 4.0
General Release Specification
MOTOROLA
MC68HSC05C9A
149
NON-DISCLOSURE
AGREEMENT
REQUIRED
Table B-5. High-Speed Control Timing (V
DD = 2.43.6 Vdc)
Characteristic
Symbol
Min
Max
Unit
Oscillator Frequency
Crystal
External Clock
f
OSC
dc
4.2
MHz
Internal Operating Frequency (fOSC ÷ 2)
Crystal
External Clock
f
OP
dc
2.1
MHz
Cycle Time
t
CYC
480
ns
Crystal Oscillator Startup Time
t
OXOV
100
ms
Stop Recovery Startup Time
t
ILCH
100
ms
RESET Pulse Width
tRL
1.5
tCYC
Timer
Resolution(1)
Input Capture Pulse Width
tRESL
tTH or tTL
t
THTL
4.0
125
(2)
tCYC
ns
tCYC
Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
125
ns
Interrupt Pulse Period
t
ILIL
(3)
—tCYC
OSC1 Pulse Width
t
OH or t
OL
90
ns
1.
Because a 2-bit prescaler in the timer must count four internal cycles (tCYC), this is the limiting minimum factor in
determining the timer resolution.
2.
The minimum period tTLTL should not be less than the number of cycle times it takes to execute the capture interrupt
service routine plus 24 tCYC.
3.
The minimum tILIL should not be less than the number of cycle times it takes to execute the interrupt service routine
plus 19 tCYC.
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