參數(shù)資料
型號(hào)： MC68HC05LJ5P
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, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 68/85頁
文件大?。?/td> 899K
代理商： MC68HC05LJ5P
GENERAL RELEASE SPECIFICATION
November 10, 1998
MOTOROLA
ELECTRICAL SPECIFICATIONS
MC68HC05LJ5
10-4
REV 1
10.4
CONTROL TIMING
NOTES:
1.
The minimum period tILIL or tIHIH should not be less than the number of cycles it takes to execute the
interrupt service routine plus 19 tCYC.
2.
Effects of processing, temperature, and supply voltage (excluding tolerances of external R and C)
3.
RC Oscillator: Typical center frequency is 4MHz. For the specied range of the operating center fre-
quency from 3.8MHz (min.) to 4.2MHz (max.), the frequency tolerance is guaranteed to be more than
±15% under the conditions that VDD=5Vdc ±10%, TA = 0
°C to +40°C and the tolerance of the external
R is at most ±1%.
Table 10-2. Control Timing
(VDD = 5.0Vdc ±10%, VSS = 0 Vdc, TA = 0°C to +70°C, unless otherwise noted)
Characteristic
Symbol
Min
Max
Units
Frequency of Operation
RC Oscillator Option (see note 3)
Crystal Oscillator Option
External Clock Source
fOSC
3.8
—
DC
4.2
MHz
Internal Operating Frequency
RC Oscillator (fOSC ÷ 2)
Crystal Oscillator (fOSC ÷ 2)
External Clock (fOSC ÷ 2)
fOP
1.9
—
DC
2.1
MHz
Cycle Time (1
÷ f
OP)tCYC
475
—
ns
RESET Pulse Width Low
tRL
1.5
—
tCYC
IRQ Interrupt Pulse Width Low (Edge-Triggered)
tILIH
0.5
—
tCYC
IRQ Interrupt Pulse Period
tILIL
see note 1
—
tCYC
PA0 to PA3 Interrupt Pulse Width High
(Edge-Triggered)
tIHIL
0.5
—
tCYC
PA0 to PA3 Interrupt Pulse Period
tIHIH
see note 1
—
tCYC
PA7 Interrupt Pulse Width Low
tILIH
0.5
—
tCYC
OSC1 Pulse Width
tOH, tOL
200
—
ns
Output High to Low Transition Period
PA6, PA7, PB1
tSLOW
0.5 (typical)
tCYC
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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