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參數(shù)資料
| 型號： | 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)： | 59/60頁 |
| 文件大?。?/td> | 1107K |
| 代理商： | MCF54415CMJ250 |
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MCF5441x ColdFire Microprocessor Data Sheet, Rev. 6
Preliminary—Subject to Change Without Notice
Hardware design considerations
Freescale Semiconductor
8
2.2.1
Power-up sequence
If EVDD/FBVDD/SDVDD are powered up with the IVDD at 0 V, the sense circuits in the I/O pads cause all pad output drivers
connected to the EVDD/FBVDD/SDVDD to be in a high impedance state. There is no limit on how long after
EVDD/FBVDD/SDVDD powers up before IVDD must power up. IVDD should not lead the EVDD, FBVDD, or SDVDD by more
than 0.4 V during power ramp-up, or there will be high current in the internal ESD protection diodes. The rise times on the
power supplies should be slower than 25 V/millisecond to avoid turning on the internal ESD protection clamp diodes.
2.2.2
Power-down sequence
If IVDD/PVDD are powered down first, sense circuits in the I/O pads cause all output drivers to be in a high impedance state.
There is no limit on how long after IVDD and PVDD power down before EVDD, FBVDD, or SDVDD must power down. IVDD
should not lag EVDD, FBVDD, or SDVDD going low by more than 0.4 V during power down or there will be undesired high
current in the ESD protection diodes. There are no requirements for the fall times of the power supplies.
The recommended power down sequence is as follows:
1. Drop IVDD/PVDD to 0 V.
2. Drop EVDD/FBVDD/SDVDD supplies.
2.3
Power consumption specifications
Table 3. Estimated power consumption specifications
Characteristic
Symbol
Typical
Unit
Core operating supply current (nominal 1.2 V)1
Run mode
Wait mode
Doze mode
Stop00 mode
Stop01 mode
Stop02 mode
Stop03 mode
IVDD
127
33
32
9.3
9.2
3.6
3.4
mA
FlexBus operating supply current
Run mode (application dependent)
Wait mode
Doze mode
Stop00 mode
Stop01, Stop02, Stop03 mode
FBVDD
80
49
42
40
28
mA
SDRAM operating supply current (DDR2 at 1.8 V)
Isys(DQ) [
8, 2DQS]
Isys(WR) [
8, 2DQS]
Isys(RD) [
8, 2DQS]
SDRAM input reference current
Isys(REF)
SDRAM termination current
Isys(termRD)
Total SDIDD MPU side2
SDVDD
SDVREF
SDVTT
3
15
1.3
41
75
mA
Oscillator/PLL operating supply current (nominal 3.3 V)
Run, Wait, Doze, Stop00, Stop01 mode
Stop02 mode
Stop03 mode
VDD_OSC_A_PLL
10
6
1
mA
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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 |
| 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 |
| MCF54417CMJ250 | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA |
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