參數(shù)資料
型號(hào)： MC68HC11D3CFN2
廠商： ABILIS SYSTEMS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 39/138頁(yè)
文件大?。?/td> 1047K
代理商： MC68HC11D3CFN2
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MC68L11D0 Electrical Characteristics
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
133
B.2.3 Control Timing
B.2.4 Peripheral Port Timing
Characteristic(1)
1. VDD = 3.0 Vdc to 5.5 Vdc, VSS = 0 Vdc, TA = TL to TH. All timing is shown with respect to 20% VDD and 70% VDD, unless
otherwise noted.
Symbol
1.0 MHz
2.0 MHz
Unit
Min
Max
Min
Max
Frequency of operation
fO
dc
1.0
dc
2.0
MHz
E-clock period
tcyc
1000
—
500
—
ns
Crystal frequency
fXTAL
—
4.0
—
8.0
MHz
External oscillator frequency
4 fO
dc
4.0
dc
8.0
MHz
Processor control setup time
tPCSU = 1/4 tcyc + 50 ns
tPCSU
325
—
200
—
ns
Reset input pulse width(2)
To guarantee external reset vector
Minimum input time can be preempted by internal reset
2. Reset is recognized during the first clock cycle it is held low. Internal circuitry then drives the pin low for four clock cycles,
releases the pin, and samples the pin level two cycles later to determine the source of the interrupt. Refer to Chapter 4
PWRSTL
8
1
—
8
1
—
tcyc
Interrupt pulse width, PWIRQ = tcyc + 20 ns
IRQ edge-sensitive mode
PWIRQ
1020
—
520
—
ns
Wait recovery startup time
tWRS
—4
—
4
tcyc
Timer pulse width PWTIM = tcyc + 20 ns
Input capture pulse accumulator input
PWTIM
1020
—
520
—
ns
Characteristic(1)
1. VDD = 3.0 Vd to 5.5 Vdc, VSS = 0 Vdc, TA = TL to TH. All timing is shown with respect to 20% VDD and 70% VDD, unless
otherwise noted.
Symbol
1.0 MHz
2.0 MHz
Unit
Min
Max
Min
Max
Frequency of operation (E-clock frequency)
fO
dc
1.0
dc
2.0
MHz
E-clock period
tcyc
1000
—
500
—
ns
Peripheral data setup time(2)
MCU read of ports A, B, C, and D
2. Port C and D timing is valid for active drive (CWOM and DWOM bits not set in PIOC and SPCR registers respectively).
tPDSU
100
—
100
—
ns
Peripheral data hold time(2)
MCU read of ports A, B, C, and D
tPDH
50
—
50
—
ns
Delay time, peripheral data write
MCU write to port A
MCU writes to ports B, C, and D
tPWD = 1/4 tcyc + 150 ns
tPWD
—
200
350
—
200
225
ns
相關(guān)PDF資料
PDF描述
MC68HC711D3CP3 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP40
MC68HC11D3CFN3 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44
MC68HC11D3CFB1 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44
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參數(shù)描述
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MC68HC11D3CFU 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11D3CFU1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11D3CFU3 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
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