參數資料
型號: MC68HC705P9CDWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數: 47/156頁
文件大?。?/td> 957K
代理商: MC68HC705P9CDWR2
Specications
5.0 V Control Timing
140
Specifications
MOTOROLA
5.0 V Control Timing
1. V
DD = 5.0 Vdc ±10%, VSS = 0 Vdc, TA = TL to TH unless otherwise noted
2. A 2-bit prescaler in the timer is the limiting factor as it counts 4 t
CYC
3. The minimum t
TLTL should not be less than the number of interrupt service routine cycles
plus 19 t
CYC
4. The minimum t
ILIL should not be less than the number of interrupt service routine cycles
plus 19 t
CYC
Table 6. Control Timing (V
DD = 5.0 Vdc)
(1)
Characteristic
Symbol
Min
Max
Unit
Oscillator Frequency
Crystal
External Clock
f
OSC
dc
4.2
MHz
Internal Operating Frequency (f
OSC ÷ 2)
Crystal
External Clock
f
OP
dc
2.1
MHz
Cycle Time (1
÷ f
OP)tCYC
480
ns
Crystal Oscillator Startup Time
t
OXOV
100
ms
Stop Recovery Startup 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
H, tL
t
TLTL
4.0
125
Note(3)
t
CYC
ns
t
CYC
Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
125
ns
Interrupt Pulse Period
t
ILIL
Note(4)
—t
CYC
OSC1 Pulse Width
t
OH, tOL
90
ns
RC Oscillator Stabilization Time
t
RCON
—5
s
ADC On Current Stabilization Time
t
ADON
100
s
10-mc68hc705p9
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