參數(shù)資料
型號： MCF51AC256AVFUE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 50.33 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 14 MM, LEAD FREE, QFP-64
文件頁數(shù)： 24/46頁
文件大小： 1036K
代理商： MCF51AC256AVFUE
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.4
Electrical Characteristics
Freescale Semiconductor
30
2.11.1
Control Timing
Figure 9. Reset Timing
Figure 10. IRQ/KBIPx Timing
Table 17. Control Timing
Num
C
Parameter
Symbol
Min
Typical1
1 Typical values are based on characterization data at V
DD = 5.0 V, 25 °C unless otherwise stated.
Max
Unit
1
D
Bus frequency (tcyc = 1/fBus)fBus
dc
—
24
MHz
2
D
Internal low-power oscillator period
tLPO
800
—
1500
μs
3D
External reset pulse width2
(tcyc = 1/fSelf_reset)
2 This is the shortest pulse that is guaranteed to be recognized as a reset pin request. Shorter pulses are not guaranteed to
override reset requests from internal sources.
textrst
100
—
ns
4
D
Reset low drive
trstdrv
66
× t
cyc
——
ns
5
D
Active background debug mode latch setup time
tMSSU
500
—
ns
6
D
Active background debug mode latch hold time
tMSH
100
—
ns
7D
IRQ pulse width
Asynchronous path2
Synchronous path3
3 This is the minimum pulse width that is guaranteed to pass through the pin synchronization circuitry. Shorter pulses may or
may not be recognized. In stop mode, the synchronizer is bypassed so shorter pulses can be recognized in that case.
tILIH, tIHIL
100
1.5
× t
cyc
——
ns
8D
KBIPx pulse width
Asynchronous path2
Synchronous path3
tILIH, tIHIL
100
1.5
× t
cyc
——
ns
9D
Port rise and fall time (load = 50 pF)4
Slew rate control disabled (PTxSE = 0), Low Drive
Slew rate control enabled (PTxSE = 1), Low Drive
Slew rate control disabled (PTxSE = 0), Low Drive
Slew rate control enabled (PTxSE = 1), Low Drive
4 Timing is shown with respect to 20% V
DD and 80% VDD levels. Temperature range –40 °C to 105 °C.
tRise, tFall
—
11
35
40
75
—ns
textrst
RESET PIN
tIHIL
IRQ/KBIPx
tILIH
IRQ/KBIPx
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MCF51AC256AVLKE 功能描述:32位微控制器 - MCU 256KFLASH 32K RAM CAN EN RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
MCF51AC256AVPUE 功能描述:32位微控制器 - MCU 256KFLASH 32K RAM CAN EN RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
MCF51AC256B 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF51AC256 ColdFire Microcontroller
MCF51AC256BCFGE 制造商:Freescale Semiconductor 功能描述:MCF51AC256BCFGE - Bulk
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