參數(shù)資料
型號: MC68HC05J1ACDW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁數(shù): 8/128頁
文件大?。?/td> 1279K
代理商: MC68HC05J1ACDW
Electrical Specifications
5.0-Volt Control Timing
MC68HC05J1A — Rev. 3.0
Technical Data
MOTOROLA
Electrical Specifications
105
10.9 5.0-Volt Control Timing
Characteristic(1)
1. VDD = 5.0 Vdc ± 10%; VSS = 0 Vdc; TA = TL to TH
Symbol
Min
Max
Unit
Oscillator frequency
Crystal/ceramic resonator mask option(2)
RC oscillator mask option
External clock mask option
2. Use only AT-cut crystals.
fOSC
dc
4.2
MHz
Internal operating frequency (fOSC ÷ 2)
Crystal oscillator
Ceramic resonator
RC oscillator
External clock
fop
dc
2.1
MHz
Cycle time (1
÷ f
op)tcyc
476
ns
RESET pulse width low (edge-triggered)
tRL
1.5
tcyc
Timer resolution(3)
3. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
tRESL
4.0
tcyc
IRQ interrupt pulse width low (edge-triggered)
tILIH
125
ns
IRQ interrupt pulse period
tILIL
(4)
4. The minimum period, tILIL or tIHIH, should not be less than the number of cycles required to execute the interrupt service
routine plus 19
tcyc.
tcyc
PA3–PA0 interrupt pulse width high (edge-triggered)
tIHIL
125
ns
PA3–PA0 interrupt pulse period
tIHIH
(4)
tcyc
OSC1 pulse width
tOH, tOL
200
ns
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