參數(shù)資料
型號: MCF54451CVM180
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 180 MHz, RISC PROCESSOR, PBGA256
封裝: 17 X 17 MM, ROHS COMPLIANT, MAPBGA-256
文件頁數(shù): 45/48頁
文件大?。?/td> 945K
代理商: MCF54451CVM180
MCF5445x ColdFire Microprocessor Data Sheet, Rev. 6
Hardware Design Considerations
Freescale Semiconductor
6
3.2
Oscillator Power Filtering
Figure 3 shows an example for isolating the oscillator power supply from the I/O supply (EVDD) and ground.
Figure 3. Oscillator Power Filter
3.3
Supply Voltage Sequencing
Figure 4 shows situations in sequencing the I/O VDD (EVDD), SDRAM VDD (SDVDD), PLL VDD (PVDD), and internal
logic/core VDD (IVDD).
Figure 4. Supply Voltage Sequencing and Separation Cautions
The relationship between SDVDD and EVDD is non-critical during power-up and power-down sequences. SDVDD (2.5V or
1.8V) and EVDD are specified relative to IVDD.
VDD_OSC
10
Ω
0.1 F
EVDD Pin
1 F
GND
VSS_OSC
100 MHz
EVDD (3.3V)
IVDD, PVDD
Time
3.3V
1.5V
0
D
C
Po
wer
Su
ppl
y
V
olt
age
Notes:
1 Input voltage must not be greater than the supply voltage (EV
DD, SDVDD, IVDD, or PVDD) by more than 0.5V
at any time, including during power-up.
2 Use 50 V/millisecond or slower rise time for all supplies.
2.5V
Supplies Stable
SDVDD (2.5V — DDR)
1.8V
SDVDD (1.8V — DDR2)
相關(guān)PDF資料
PDF描述
MCF54455VR266 32-BIT, 266 MHz, RISC PROCESSOR, PBGA360
MCF54451VM240 32-BIT, 240 MHz, RISC PROCESSOR, PBGA256
MCF54452CVR200 32-BIT, 200 MHz, RISC PROCESSOR, PBGA360
MCF5471ZP200 32-BIT, 200 MHz, RISC PROCESSOR, PBGA388
MCF5472VR200 32-BIT, 200 MHz, RISC PROCESSOR, PBGA388
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCF54451CVM180J 制造商:Freescale Semiconductor 功能描述:MCF5445X V4M CORE, MMU - Bulk
MCF54451VM240 功能描述:微處理器 - MPU MCF5445X V4M CORE MMU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF54451VM240J 功能描述:微處理器 - MPU MCF5445X V4M CORE MMU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MCF54452 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor
MCF54452CVR200 功能描述:微處理器 - MPU MCF5445X V4M CORE MMU RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324