參數(shù)資料
型號： MCIMX31VMN5CR2
廠商： Freescale Semiconductor
文件頁數(shù)： 38/122頁
文件大?。?/td> 0K
描述： IC MPU MAP I.MX31L 473-MAPBGA
標(biāo)準(zhǔn)包裝： 750
系列： i.MX31
核心處理器： ARM11
芯體尺寸： 32-位
速度： 532MHz
連通性： 1 線，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
程序存儲器類型： 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： 帶卷 (TR)
MCIMX31/MCIMX31L Technical Data, Rev. 4.1
22
Freescale Semiconductor
Electrical Characteristics
4.2.2
Powering Down
The power-down sequence prior to silicon Revision 2.0 should be completed as follows:
1. Lower the FUSE_VDD supply (when in write mode).
2. Lower the remaining supplies.
For silicon revisions beginning with Revision 2.0 there is no special requirements for power down
sequence.
4.3
Module-Level Electrical Specifications
This section contains the MCIMX31 electrical information including timing specifications, arranged in
alphabetical order by module name.
4.3.1
I/O Pad (PADIO) Electrical Specifications
This section specifies the AC/DC characterization of functional I/O of the MCIMX31. There are two main
types of I/O: regular and DDR. In this document, the “Regular” type is referred to as GPIO.
4.3.1.1
DC Electrical Characteristics
The MCIMX31 I/O parameters appear in Table 15 for GPIO. See Table 8 for temperature and supply
voltage ranges.
NOTE
The term NVCC in this section refers to the associated supply rail of an
input or output. The association is shown in the Signal Multiplexing chapter
of the reference manual. NVCC for Table 15 refers to NVCC1 and
NVCC3–10; QVCC refers to QVCC, QVCC1, and QVCC4.
Table 15. GPIO DC Electrical Parameters
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
High-level output voltage
VOH
IOH = –1 mA
NVCC –0.15
—
V
IOH = specified Drive
0.8*NVCC
—
V
Low-level output voltage
VOL
IOL = 1 mA
—
0.15
V
IOL = specified Drive
—
0.2*NVCC
V
High-level output current, slow slew rate
IOH_S
VOH=0.8*NVCC
Std Drive
High Drive
Max Drive
–2
–4
–8
——
mA
High-level output current, fast slew rate
IOH_F
VOH=0.8*NVCC
Std Drive
High Drive
Max Drive
–4
–6
–8
——
mA
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MX31
Product
Family
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