參數(shù)資料
型號: MC68HC05J1AP
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, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 9/128頁
文件大?。?/td> 1279K
代理商: MC68HC05J1AP
Technical Data
MC68HC05J1A — Rev. 3.0
106
Electrical Specifications
MOTOROLA
Electrical Specifications
10.10 3.3-Volt Control Timing
Characteristic(1)
1. VDD = 3.3 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
2.0
MHz
Internal operating frequency (fOSC ÷ 2)
Crystal oscillator
Ceramic resonator
RC oscillator
External clock
fop
dc
1.0
MHz
Cycle time (1
÷ f
op)tcyc
1000
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
250
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
250
ns
PA3–PA0 interrupt pulse period
tIHIH
(4)
tcyc
OSC1 pulse width
tOH, tOL
400
ns
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