參數(shù)資料
型號: MC68HC705KJ1CP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 113/117頁
文件大小: 1644K
代理商: MC68HC705KJ1CP
Electrical Specifications
Control Timing
MC68HC705KJ1MC68HRC705KJ1MC68HLC705KJ1 — Rev. 4.0
Data Sheet
MOTOROLA
Electrical Specifications
95
Figure 10-7. External Interrupt Timing
Table 10-3. Control Timing (VDD = 3.3 Vdc)
(1)
1. VDD = 3.3 Vdc ± 10%, VSS = 0 Vdc, TA = 40°C to +85°C, unless otherwise noted.
Characteristic
Symbol
Min
Max
Unit
Oscillator frequency
Crystal oscillator option
External clock source
fOSC
dc
4.2
MHz
Internal operating frequency (fOSC ÷ 2)
Crystal oscillator
External clock
fOP
dc
2.1
MHz
Cycle time (1
÷ f
OP)tcyc
476
ns
RESET pulse width low
tRL
1.5
tcyc
IRQ interrupt pulse width low
(edge-triggered)
tILIH
1.5
tcyc
IRQ interrupt pulse width low
(edge- and level-triggered)
tILIL
1.5
Note(2)
2. The maximum width tILIL or tILIH should not be more than the number of cycles it takes to
execute the interrupt service routine plus 19 tcyc or the interrupt service routine will be
re-entered.
tcyc
PA0–PA3 interrupt pulse width high
(edge-triggered)
tIHIL
1.5
tcyc
PA0–PA3 interrupt pulse width
(edge- and level-triggered)
tIHIH
1.5
Note(2)
tcyc
OSC1 pulse width
tOH, tOL
200
ns
IRQ
tILIH
tILIL
tILIH
IRQ PIN
IRQ1
IRQn
.
(INTERNAL)
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