参数资料
型号: MCIMX27VOP4
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA404
封装: 17 X 17 MM, 0.65 MM PITCH, LEAD FEE, MAPBGA-404
文件页数: 97/118页
文件大小: 1159K
代理商: MCIMX27VOP4
i.MX27 Data Sheet, Advance Information, Rev. 0.1
8
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Functional Description and Application Information
SCC
Security
Controller
Module
Security
The SCC is a hardware component composed of two
blocks—the Secure RAM module, and the Security Monitor.
The Secure RAM provides a way of securely storing sensitive
information. The Security Monitor implements the security
policy, checking algorithm sequencing, and controlling the
Secure State.
SDHC
Secured Digital
Host Controller
Connectivity
Peripheral
The SDHC controls the MMC (MultiMediaCard), SD (Secure
Digital) memory, and I/O cards by sending commands to cards
and performing data accesses to and from the cards.
SLCDC
Smart Liquid
Crystal Display
Controller
Multimedia
Interface
The SLCDC module transfers data from the display memory
buffer to the external display device.
SSI
Synchronous
Serial Interface
Multimedia
Peripheral
The SSI is a full-duplex, serial port that allows the chip to
communicate with a variety of serial devices, such as standard
codecs, digital signal processors (DSPs), microprocessors,
peripherals, and popular industry audio codecs that implement
the inter-IC sound bus standard (I2S) and Intel AC97 standard.
UART
Universal
Asynchronous
Receiver/
Transmitter
Connectivity
Peripheral
The UART provides serial communication capability with
external devices through an RS-232 cable or through use of
external circuitry that converts infrared signals to electrical
signals (for reception) or transforms electrical signals to signals
that drive an infrared LED (for transmission) to provide low
speed IrDA compatibility.
USB
Universal Serial
Bus–2 Host
Controllers and
1 OTG
(On-The-Go)
Connectivity
Peripherals
The i.MX27 processor provides two USB Host controllers and
one USBOTG of which:
USB Host 1 is designed to support transceiverless
connection to the on-board peripherals in Low Speed and
Full Speed mode, and connection to the ULPI
(UTMI+Low-Pin Court) and Legacy Full Speed transceivers
USB Host 2 is designed to support transceiverless
connection to the Cellular Modem Baseband Processor
The USBOTG controller offers HS/FS/LS capabilities in Host
mode and HS/FS in device mode. In Host mode, the
controller supports direct connection of a FS/LS device
(without external hub). In device (bypass) mode, the OTG
port functions as gateway between the Host 1 Port and the
OTG transceiver.
Video Codec
Hardware
Acceleration
Video Codec module supports full duplex video codec with 25
fps VGA image resolution, integrates H.264 BP, MPEG-4 SP
and H.263 P3 video processing standard together.
Table 2. Digital and Analog Modules (continued)
Block Mnemonic
Block Name
Functional
Grouping
Brief Description
Section/
Page
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