參數(shù)資料
型號(hào): MCIMX31DVMN5D
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 30/118頁(yè)
文件大?。?/td> 0K
描述: IC MPU I.MX31 CONSUMR 473MAPBGA
標(biāo)準(zhǔn)包裝: 84
系列: i.MX31
核心處理器: ARM11
芯體尺寸: 32-位
速度: 532MHz
連通性: 1 線(xiàn),ATA,EBI/EMI,F(xiàn)IR,I²C,MMC/SD,PCMCIA,SIM,SPI,SSI,UART/USART,USB,USB OTG
外圍設(shè)備: DMA,LCD,POR,PWM,WDT
程序存儲(chǔ)器類(lèi)型: ROMless
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.22 V ~ 3.3 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 473-LFBGA
包裝: 托盤(pán)
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Electrical Characteristics
MCIMX31/MCIMX31L Technical Data, Rev. 4.3
Freescale Semiconductor
19
4.2.1.1
Power-Up Sequence for Silicon Revision 2.0.1
Figure 2. Option 1 Power-Up Sequence (Silicon Revision 2.0.1)
Figure 3. Option 2 Power-Up Sequence (Silicon Revision 2.0.1)
Release POR
QVCC, QVCC1, QVCC4
IOQVDD, NVCC1, NVCC3–10
NVCC2, NVCC21, NVCC22
Hold POR Asserted
1, 3, 5
Notes:
1
The board design must guarantee that supplies reach
90% level before transition to the next state, using Power
Management IC or other means.
2
The NVCC1 supply must not precede IOQVDD by more
than 0.2 V until IOQVDD has reached 1.5 V. If IOQVDD
is powered up first, there are no restrictions.
3
The parallel paths in the flow indicate that supply group
NVCC2, NVCC21, and NVCC22, and supply group
FVCC, MVCC, SVCC, and UVCC ramp-ups are
independent.
4
FUSE_VDD should not be driven on power-up for Silicon
Revision 2.0.1. This supply is dedicated for fuse burning
(programming), and should not be driven upon boot-up.
5
Raising IOQVDD before NVCC21 produces a slight
increase in current drain on IOQVDD of approximately
3–5 mA. The current increase will not damage the IC.
Refer to Errata ID TLSbo91750 for details.
FVCC, MVCC, SVCC, UVCC
4
Release POR
QVCC, QVCC1, QVCC4
IOQVDD, NVCC1, NVCC3–10, NVCC2, NVCC21, NVCC22
Hold POR Asserted
Notes:
1
The board design must guarantee that supplies reach
90% level before transition to the next state, using Power
Management IC or other means.
2
The NVCC1 supply must not precede IOQVDD by more
than 0.2 V until IOQVDD has reached 1.5 V. If IOQVDD
is powered up first, there are no restrictions.
3
Raising NVCC2, NVCC21, and NVCC22 at the same
time as IOQVDD does not produce the slight increase in
current drain on IOQVDD (as described in Figure 2,
Note 5).
4
FUSE_VDD should not be driven on power-up for Silicon
Revision 2.0.1. This supply is dedicated for fuse burning
(programming), and should not be driven upon boot-up.
FVCC, MVCC, SVCC, UVCC
4
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