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| 型號(hào)： | MCIMX27VOP4 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA404 |
| 封裝： | 17 X 17 MM, 0.65 MM PITCH, LEAD FEE, MAPBGA-404 |
| 文件頁(yè)數(shù)： | 13/118頁(yè) |
| 文件大小： | 1159K |
| 代理商： | MCIMX27VOP4 |
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Functional Description and Application Information
i.MX27 Data Sheet, Advance Information, Rev. 0.1
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
11
This host controller supports interface protocols as specified in ATA/ATAPI-6 standard:
PIO mode 0, 1, 2, 3, and 4
Multiword DMA mode 0, 1, and 2
Ultra DMA modes 0, 1, 2, 3, and 4 with bus clock of 50 MHz or higher
Ultra DMA mode 5 with bus clock of 80 MHz or higher
Before accessing the ATA bus, the host must program the timing parameters to be used on the ATA bus.
The timing parameters control the timing on the ATA bus. Most timing parameters are programmable as a
number of clock cycles (1 to 255). Some are implied. All of the ATA device-internal registers are visible
to users, and they are defined as mirror registers in ATA host controller. As specified in ATA/ATAPI-6
standard, all the features/functions are implemented by reading/writing to the device’s internal registers.
There are basically two protocols that can be active at the same time on the ATA bus, as follows:
The first and simplest protocol (PIO mode access) can be started at any time by the ARM926 to
the ATA bus. The PIO mode is a slow protocol, mainly intended to be used to program an ATA disc
drive, but also can be used to transfer data to/from the disc drive.
The second protocol is the DMA mode access. DMA mode is started by the ATA interface after
receiving a DMA request from the drive, and only if the ATA interface has been programmed to
accept the DMA request. In DMA mode, either multiword-DMA or ultra-DMA protocol is used
on the ATA bus. All transfers between FIFO and the host IP or DMA IP bus are zero wait states
transfer, so a high-speed transfer between FIFO and DMA/host bus is possible.
2.3.6
Digital Audio MUX (AUDMUX)
The Digital Audio MUX (AUDMUX) provides programmable interconnecting for voice, audio, and
synchronous data routing between host serial interfaces—for example, SSI, SAP, and peripheral serial
interfaces—such as, audio and voice codecs. The AUDMUX allows audio system connectivity to be
modified through programming, as opposed to altering the design of the system into which the chip is
designed. The design of the AUDMUX allows multiple simultaneous audio/voice/data flows between the
ports in point-to-point or point-to-multipoint configurations.
Included in the AUDMUX are two types of interfaces. The internal ports connect to the processor serial
interfaces, and the external ports connect to off-chip audio devices and serial interfaces of other processors.
A desired connectivity is achieved by configuring the appropriate internal and external ports.
The module includes full 6-wire SSI interfaces for asynchronous receive and transmit, as well as a
configurable 4-wire (synchronous) or 6-wire (asynchronous) peripheral interface. The AUDMUX allows
each host interface to be connected to any other host or peripheral interface in a point-to-point or
point-to-multipoint (network mode).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCIMX27VOP4A | 功能描述:處理器 - 專門應(yīng)用 I.MX27 REV 2.1 RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
| MCIMX27VOP4AR2 | 功能描述:處理器 - 專門應(yīng)用 I.MX27 REV 2.1 RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
| MCIMX27VOP4R2 | 制造商:Freescale Semiconductor 功能描述:MULTIMEDIA PROCESSOR 404-PIN MA-BGA T/R - Tape and Reel |
| MCIMX27WPDK | 功能描述:開發(fā)板和工具包 - ARM MCIMX27 PDK For WINCE RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評(píng)估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| MCIMX280CVM4B | 功能描述:處理器 - 專門應(yīng)用 Catskills Rev1.2 RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
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