參數(shù)資料
型號: MC68HSC05C9A
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數(shù): 149/160頁
文件大小: 783K
代理商: MC68HSC05C9A
MC68HSC05C9A
MC68HC05C9A
Rev. 4.0
General Release Specification
MOTOROLA
MC68HSC05C9A
149
L
G
R
Table B-5. High-Speed Control Timing (V
DD
= 2.4
3.6 Vdc)
Characteristic
Symbol
Min
Max
Unit
Oscillator Frequency
Crystal
External Clock
f
OSC
dc
4.2
4.2
MHz
Internal Operating Frequency (f
OSC
÷
2)
Crystal
External Clock
f
OP
dc
2.1
2.1
MHz
Cycle Time
t
CYC
t
OXOV
t
ILCH
t
R
L
480
ns
Crystal Oscillator Startup Time
100
ms
Stop Recovery Startup Time
100
ms
RESET Pulse Width
1.5
t
CYC
Timer
Resolution
(1)
Input Capture Pulse Width
Input Capture Pulse Width
t
RESL
t
TH
or t
TL
t
THTL
t
ILIH
t
ILIL
t
OH
or t
OL
4.0
125
(2)
t
CYC
ns
t
CYC
ns
Interrupt Pulse Width Low (Edge-Triggered)
125
Interrupt Pulse Period
(3)
t
CYC
ns
OSC1 Pulse Width
90
1.
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.
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
.
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
.
2.
3.
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