參數(shù)資料
型號： MC68HC05L1FU
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, PQFP64
封裝： QFP-64
文件頁數(shù)： 93/102頁
文件大小： 632K
代理商： MC68HC05L1FU
MOTOROLA
11-8
MC68HC05L1
ELECTRICAL SPECIFICATIONS
11
Table 11-7 Control Timing for 2.7V Operation
(VDD=2.7Vdc ±10%, VSS=0Vdc, temperature range=0 to 70°C)
CHARACTERISTICS
SYMBOL
MINIMUM
MAXIMUM
UNIT
Frequency of operation
Crystal option
External clock option
fOSC
—
dc
2.0
MHz
Internal operating frequency (fOSC/2)
Crystal
External clock
fOP
—
dc
1.0
MHz
Processor cycle time
tCYC
1000
—
ns
Crystal oscillator start-up time
tOXOV
—
100
ms
Stop recovery start-up time (crystal oscillator)
tILCH
—
100
ms
RC oscillator stabilization time
tADRC
—
100
ms
A/D converter stabilization time
tADON
—
500
s
External RESET pulse width
tRL
1.5
—
tCYC
Power-on RESET output pulse width
4064 cycle
16 cycle
tPORL
4064
16
—
tCYC
Timer
Resolution(1)
Input capture pulse width
Input capture pulse period
tRESL
tTH, tTL
tTLTL
4
250
—(2)
—
tCYC
ns
tCYC
Interrupt pulse width (edge-triggered)
tILIH
250
—
ns
Interrupt pulse period
tILIL
—(3)
—tCYC
(1) Since a 2-bit prescaler in the timer must count four external cycles (tCYC), this is the limiting factor
in determining the timer resolution.
(2) The minimum period tTLTL should not be less than the number of cycle times it takes to execute
the capture interrupt service routine plus 24 tCYC.
(3) The minimum period tILIL should not be less than the number of cycle times it takes to execute the
interrupt service routine plus 21 tCYC.
TPG
88
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