參數(shù)資料
型號： MC68HC05L25PB
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, PQFP52
封裝： TQFP-52
文件頁數(shù)： 50/152頁
文件大?。?/td> 897K
代理商： MC68HC05L25PB
Control Timing (VDD = 3.3 V)
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
143
15.11 Control Timing (VDD = 3.3 V)
15.12 Control Timing (VDD = 5.0 V)
Characteristic
Symbol
Min
Typ
Max
Unit
Frequency of Operation
OSC Crystal Oscillator Option
XOSC Crystal Oscillator Option
External Clock Source
fOSC
fXOSC
fOSC
—
dc
—
32.768
—
2.0
—
2.0
MHz
kHz
MHz
Internal Operating Frequency
Crystal Oscillator (fosc ÷ 2)
External Clock (fosc ÷ 2)
fOP
—
dc
—
1.0
MHz
Cycle Time (1
÷ fOP)t
CYC
1 000
—
ns
Crystal Oscillator Startup Time
(Crystal Oscillator Option)
tOXON
——
100
ms
RESET Pulse Width Low
tRL
1.5
—
t
CYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
tILIH
250
—
ns
IRQ Interrupt Pulse Period
tILIL
Note 2
—
t
CYC
OSC1 Pulse Width
t
200
—
ns
Event Counter Gate Count
tGC
16,384
fOSC
NOTES:
1.
VDD = 3.3 Vdc ± 0.3 Vdc, VSS = 0 Vdc, TA = 0 °C to +70 °C, unless otherwise noted
2.
The minimum period, tILIL or tIHIH, should not be less than the number of cycles it takes to execute the interrupt
service routine plus 21 t
CYC.
Characteristic
Symbol
Min
Typ
Max
Unit
Frequency of Operation
OSC Crystal Oscillator Option
XOSC Crystal Oscillator Option
External Clock Source
fOSC
fXOSC
fOSC
—
dc
—
32.768
—
4.2
—
4.2
MHz
kHz
MHz
Internal Operating Frequency
Crystal Oscillator (fosc ÷ 2)
External Clock (fosc ÷ 2)
fOP
—
dc
—
2.1
MHz
Cycle Time (1
÷ fOP)tCYC
480
—
ns
Crystal Oscillator Startup Time
(Crystal Oscillator Option)
tOXON
——
100
ms
RESET Pulse Width Low
tRL
1.5
—
t
CYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
tILIH
125
—
ns
IRQ Interrupt Pulse Period
tILIL
Note 2
—
t
CYC
OSC1 Pulse Width
t
90
—
ns
Event Counter Gate Count
tGC
16,384
fOSC
NOTES:
1.
VDD = 5.0 Vdc ± 0.5 Vdc, VSS = 0 Vdc, TA = 0 °C to +70 °C, unless otherwise noted
2.
The minimum period, tILIL or tIHIH, should not be less than the number of cycles it takes to execute the interrupt
service routine plus 21 t
CYC.
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