參數(shù)資料
型號： MC68HC705CJ4FB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 12/114頁
文件大?。?/td> 4047K
代理商： MC68HC705CJ4FB
GENERAL RELEASE SPECIFICATION
ELECTRICAL SPECIFICATIONS
Rev. 2.1
14-5
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14.9 Control Timing(1) (4.5 to 5.5 Vdc)
14.10 Control Timing(1) (3.0 to 4.5 Vdc)
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation (
± 5%)
Crystal Option
Square Wave Signal (External Clock Source)
f
OSC
—
4.2
MHz
Internal Operating Frequency (fosc/2)
Crystal
Square Wave Signal
f
OP
—
2.1
MHz
Cycle Time (1/fop)tCYC
476
—
ns
RESET Pulse Width
t
RL
1.5
—
t
CYC
Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
100
—
ns
Interrupt Pulse Period
t
ILIL
Note 2
—
ns
OSC1 Pulse Width
t
OH, tOL
90
—
ns
NOTES:
1. V
DD = 4.5 Vdc ≤ VDD ≤ 5.5 Vdc, T
A = 0 °C to +70 °C, unless otherwise noted
2. The minimum period t
ILIL should not be less than the number of cycles to execute the interrupt service routine
plus 21 t
CYC.
Characteristic
Symbol
Min
Max
Unit
Frequency of Operation (
± 5%)
Crystal Option
Square Wave Signal (External Clock Source)
f
OSC
—
2.0
MHz
Internal Operating Frequency (fosc/2)
Crystal
Square Wave Signal
f
OP
—
1.0
MHz
Cycle Time (1/fop)tCYC
1000
—
ns
RESET Pulse Width
t
RL
1.5
—
t
CYC
Interrupt Pulse Width Low (Edge-Triggered)
t
ILIH
200
—
ns
Interrupt Pulse Period
t
ILIL
Note 2
—
ns
OSC1 Pulse Width
t
OH, tOL
200
—
ns
NOTES:
1. V
DD = 3.0 Vdc ≤ VDD ≤ 4.5 Vdc, VSS = 0 Vdc, T
A = 0 °C to +70 °C, unless otherwise noted
2. The minimum period t
ILIL should not be less than the number of cycles to execute the interrupt service routine
plus 21 t
CYC.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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