參數(shù)資料
型號: MC68HC05JB4DWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 28/134頁
文件大?。?/td> 1305K
代理商: MC68HC05JB4DWR2
February 24, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05JB4
ELECTRICAL SPECIFICATIONS
MOTOROLA
REV 2
13-5
13.6
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.
Table 13-4. Control Timing
(VDD = 4.2V to 5.5V, VSS = 0 Vdc, TA = 0°C to +70°C, unless otherwise noted)
Characteristic
Symbol
Min
Max
Units
Frequency of Operation
Crystal Oscillator Option
External Clock Source
fOSC
DC
6
MHz
Internal Operating Frequency
Crystal Oscillator (fOSC ÷ 2)
External Clock (fOSC ÷ 2)
fOP
DC
3
MHz
Cycle Time (1/fOP)tCYC
330
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
note 1
tCYC
PA0 to PA3 Interrupt Pulse Width High
(Edge-Triggered)
tIHIL
0.5
tCYC
PA0 to PA3 Interrupt Pulse Period
tIHIH
note 1
tCYC
OSC1 Pulse Width
tOH, tOL
——
ns
Output High to Low Transition Period on
PA6, PA7, PB0-4
tSLOW
0.5 (typical)
tCYC
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