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參數(shù)資料
| 型號(hào)： | MCF54415CMJ250 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROPROCESSOR, PBGA256 |
| 封裝： | 12 X 12 MM, ROHS COMPLAINT, MAPBGA-256 |
| 文件頁數(shù)： | 58/60頁 |
| 文件大小： | 1107K |
| 代理商： | MCF54415CMJ250 |
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Hardware design considerations
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 6
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
7
Figure 5 shows an example for bypassing the FlexBus power supply for the MPU. This bypass should be applied to as many
FB_VDD signals as routing allows. Each one should be placed as close to the ball as possible.
Figure 5. FB_VDD power filter
2.2
Supply voltage sequencing
Figure 6 shows requirements in the sequencing of the I/O VDD (EVDD), FlexBus VDD (FBVDD), SDRAM VDD (SDVDD), PLL
VDD (VDD_OSC_A_PLL), and internal logic/core VDD (IVDD).
Figure 6. Supply voltage sequencing and separation cautions
The relationships between FBVDD, SDVDD and EVDD are non-critical during power-up and power-down sequences. FBVDD
(1.8 – 3.3V), SDVDD (2.5V or 1.8V) and EVDD are specified relative to IVDD.
NOTE
All I/O VDD pins must be powered on when the device is functioning, except when in
standby mode.
In standby mode, all I/O VDD pins, except VSTBY_RTC (battery), can be switched off.
Board 1.8–3.3 V
0.1 F
FB_VDD
1 F
GND
supply
EVDD/FBVDD (3.3V)
IVDD, VDD_OSC_A_PLL
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, FBVDD, SDVDD, IVDD, or PVDD) by more
than 0.5V at any time, including during power-up.
2 Use 25 V/millisecond or slower rise time for all supplies.
2.5V
SDVDD (2.5V — DDR)
1.8V
SDVDD/FBVDD (1.8V — DDR2)
Supplies stable
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF54415CMJ250 | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MCU COLDFIRE 250MHZ 256-MA |
| MCF54416CMJ250 | 功能描述:微處理器 - MPU COLDFIREV4M CORE C90LP 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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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 |
| MCF54416CMJ250 | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA |
| MCF54417CMJ250 | 功能描述:微處理器 - MPU COLDFIREV4M CORE C90LP 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(shí)鐘頻率:536 MHz 程序存儲(chǔ)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 |
| MCF54417CMJ250 | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA |
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