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): 127/160頁
文件大?。?/td> 783K
代理商: MC68HSC05C9A
Electrical Specifications
Control Timing
MC68HC05C9A
Rev. 4.0
General Release Specification
MOTOROLA
Electrical Specifications
127
L
G
R
12.7 Control Timing
Table 12-3. Control Timing (V
DD
= 5.0 V
±
10%)
(1)
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation
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
480
ns
Crystal Oscillator Startup Time
t
OXOV
100
ms
Stop Recovery Start-up Time (Crystal Oscillator)
t
ILCH
100
ms
RESET Pulse Width
t
RL
1.5
t
CYC
Timer
Resolution
(2)
Input Capture Pulse Width
Input Capture Pulse Period
t
RESL
t
TH
, t
TL
t
TLTL
4.0
125
(3)
t
CYC
ns
t
CYC
Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
125
ns
Interrupt Pulse Period
t
ILIL
(4)
t
CYC
OSC1 Pulse Width
t
OH
,t
OL
90
ns
NOTES:
1. V
= 5.0 Vdc
±
10%, V
= 0 Vdc, T
= –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
should not be less than the number of cycle times it takes to execute the
capture interrupt service routine plus 24 t
.
4. The minimum t
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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