參數(shù)資料
型號： MCIMX27VOP4AR2
廠商： Freescale Semiconductor
文件頁數(shù)： 109/152頁
文件大?。?/td> 0K
描述： IC MPU I.MX27 REV 2.1 404-MAPBGA
視頻文件： i.MX27 Multimedia Application Processor
標準包裝： 1,000
系列： i.MX27
核心處理器： ARM9
芯體尺寸： 32-位
速度： 400MHz
連通性： 1 線，CAN，EBI/EMI，以太網(wǎng)，I²C，MMC，智能卡，SPI，SSI，UART/USART，USB OTG
外圍設備： DMA，LCD，POR，PWM，WDT
程序存儲器類型： ROMless
RAM 容量： 45K x 8
電壓 - 電源 (Vcc/Vdd)： 1.38 V ~ 1.52 V
振蕩器型： 外部
工作溫度： -20°C ~ 85°C
封裝/外殼： 404-LFBGA
包裝： 帶卷 (TR)
i.MX27 and i.MX27L Data Sheet, Rev. 1.8
6
Freescale Semiconductor
Functional Description and Application Information
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.
CRM
Clock and
Reset Module
Clock and
Reset Control
The CRM generates clock and reset signals used throughout
the i.MX27/MX27L processors and also for external
peripherals.
CSI
CMOS Sensor
Interface
Multimedia
Interface
The CSI is a logic interface which enables the i.MX27/MX27L
processors to connect directly to external CMOS sensors and
a CCIR656 video source.
CSPI
Configurable
Serial Peripheral
Interface (x3)
Connectivity
Peripheral
The i.MX27/MX27L processors have three CSPI modules.
CSPI is equipped with two data FIFOs and is a master/slave
configurable serial peripheral interface module, allowing the
i.MX27/MX27L processors to interface with both external SPI
master and slave devices.
DMAC
Direct Memory
Access
Controller
Standard
System
Resource
The DMAC of the i.MX27/MX27L processors provides 16
channels supporting linear memory, 2D memory, FIFO and
end-of-burst enable FIFO transfers to support a wide variety of
DMA operations.
eMMA_lt
H/W
Accelerator
Functions
eMMA_lt consists of a PreProcessor and PostProcessor, and
provides video acceleration. The PrP and PP can be used for
generic video pre and post processing such as scaling,
resizing, and color space conversions.
EMI
External
Memory
Interface
Memory
Interface (EMI)
The EMI includes
Multi-Master Memory Interface (M3IF)
Enhanced SDRAM/MDDR memory controller (ESDRAMC)
PCMCIA memory controller (PCMCIA)
NAND Flash Controller (NFC)
Wireless External Interface Module (WEIM)
—
ESDRAMC
Enhanced
SDRAM
Controller
External
Memory
Interface
The ESDRAMC provides interface and control for synchronous
DRAM memories for the system.
FEC
Fast Ethernet
Controller
Connectivity
Peripheral
The FEC performs the full set of IEEE 802.3/Ethernet
CSMA/CD media access control and channel interface
functions. The FEC supports connection and functionality for
the 10/100 Mbps 802.3 media independent interface (MII). It
requires an external transceiver (PHY) to complete the
interface to the media.
GPIO
General
Purpose I/O
Module
Pins
The GPIO provides 32 bits of bidirectional, general purpose
I/O. This peripheral provides dedicated general-purpose pins
that can be configured as either inputs or outputs.
GPT
General
Purpose Timer
Timer
Peripheral
The GPT is a multipurpose module used to measure intervals
or generate periodic output.
I2CInter IC
Communication
Connectivity
Peripheral
The I2C provides serial interface to control the sensor interface
and other external devices. Data rates of up to 100 Kbits/s are
supported.
Table 2. Digital and Analog Modules (continued)
Block Mnemonic
Block Name
Functional
Grouping
Brief Description
Section/
Page
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