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参数资料
型号： MCIMX31LITEKITC
厂商： Freescale Semiconductor
文件页数： 79/122页
文件大小： 0K
描述： BOARD DEV FOR I.MX31
标准包装： 1
类型： MCU
适用于相关产品： i.MX31
所含物品： 模块和其他硬件
MCIMX31/MCIMX31L Technical Data, Rev. 4.1
6
Freescale Semiconductor
Functional Description and Application Information
2.2
Module Inventory
Table 3 shows an alphabetical listing of the modules in the multimedia applications processor. For
extended descriptions of the modules, see the reference manual. A cross-reference is provided to the
electrical specifications and timing information for each module with external signal connections.
Table 3. Digital and Analog Modules
Block
Mnemonic
Block Name
Functional
Grouping
Brief Description
Section/
Page
1-Wire
1-Wire Interface Connectivity
Peripheral
The 1-Wire module provides bi-directional communication between
the ARM11 core and external 1-Wire devices.
4.3.4/26
ATA
Advanced
Technology (AT)
Attachment
Connectivity
Peripheral
The ATA block is an AT attachment host interface. It is designed to
interface with IDE hard disc drives and ATAPI optical disc drives.
4.3.5/27
AUDMUX
Digital Audio
Multiplexer
Multimedia
Peripheral
The AUDMUX interconnections allow multiple, simultaneous
audio/voice/data flows between the ports in point-to-point or
point-to-multipoint configurations.
4.3.6/36
CAMP
Clock Amplifier
Module
Clock
The CAMP converts a square wave/sinusoidal input into a rail-to-rail
square wave. The output of CAMP feeds the predivider.
4.3.3/25
CCM
Clock Control
Module
Clock
The CCM provides clock, reset, and power management control for
the MCIMX31.
—
CSPI
Configurable
Serial Peripheral
Interface (x 3)
Connectivity
Peripheral
The CSPI is equipped with data FIFOs and is a master/slave
configurable serial peripheral interface module, capable of
interfacing to both SPI master and slave devices.
4.3.7/36
DPLL
Digital Phase
Lock Loop
Clock
The DPLLs produce high-frequency on-chip clocks with low
frequency and phase jitters.
Note: External clock sources provide the reference frequencies.
4.3.8/37
ECT
Embedded
Cross Trigger
Debug
The ECT is composed of three CTIs (Cross Trigger Interface) and
one CTM (Cross Trigger Matrix—key in the multi-core and
multi-peripheral debug strategy.
—
EMI
External
Memory
Interface
Memory
Interface
(EMI)
The EMI includes
Multi-Master Memory Interface (M3IF)
Enhanced SDRAM Controller (ESDCTL)
NAND Flash Controller (NFC)
Wireless External Interface Module (WEIM)
—
4.3.9.3/46,
4.3.9.1/38,
4.3.9.2/41
EPIT
Enhanced
Periodic
Interrupt Timer
Timer
Peripheral
The EPIT is a 32-bit “set and forget” timer which starts counting after
the EPIT is enabled by software. It is capable of providing precise
interrupts at regular intervals with minimal processor intervention.
—
ETM
Embedded
Trace Macrocell
Debug/Trace The ETM (from ARM, Ltd.) supports real-time instruction and data
tracing by way of ETM auxiliary I/O port.
4.3.10/54
FIR
Fast InfraRed
Interface
Connectivity
Peripheral
This FIR is capable of establishing a 0.576 Mbit/s, 1.152 Mbit/s or 4
Mbit/s half duplex link via a LED and IR detector. It supports 0.576
Mbit/s, 1.152 Mbit/s medium infrared (MIR) physical layer protocol
and 4Mbit/s fast infrared (FIR) physical layer protocol defined by
IrDA, Rev. 1.4.
4.3.11/55
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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