參數(shù)資料
型號： MCIMX27
廠商： 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述： Multimedia Applications Processor(多媒體應(yīng)用處理器)
中文描述： 多媒體應(yīng)用處理器（多媒體應(yīng)用處理器）
文件頁數(shù)： 20/118頁
文件大?。?/td> 1159K
代理商： MCIMX27
i.MX27 Data Sheet, Advance Information, Rev. 0.1
20
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Functional Description and Application Information
NAND Flash device). After the boot procedure completes, the RAM is available as buffer RAM. In
addition, the NAND Flash controller provides an X16-bit and X32-bit interface to the AHB bus on the chip
side, and an X8/X16 interface to the NAND Flash device on the external side.
2.3.25
Personal Computer Memory Card International Association
(PCMCIA)
The Personal Computer Memory Card International Association (PCMCIA) provides the PCMCIA 2.1
standard, which defines the usage of memory and I/O devices as insertable and exchangeable peripherals
for personal computers or PDAs. Examples of these types of devices include CompactFlash and WLAN
adapters.
The pcmcia_if host adapter module provides the control logic for PCMCIA socket interfaces, and requires
some additional external analog power switching logic and buffering. The additional external buffers
allow the pcmcia_if host adapter module to support one PCMCIA socket. The pcmcia_if shares its chip
level I/O with the external interface to memory (EIM) pins. Additional logic is required to multiplex the
EIM and the pcmcia_if on the same pins.
2.3.26
Digital Phase Lock Loop (DPLL)
Two on-chip Digital Phase Lock Loop (DPLLs) provide clock generation in digital and mixed
analog/digital chips designed for wireless communication and other applications. The DPLLs produce a
high-frequency chip clock signals with a low frequency and phase jitter.
2.3.27
Pulse-Width Modulator (PWM)
The Pulse-Width Modulator (PWM) has a 16-bit counter and is optimized to generate sounds from stored
sample audio images; it can also generate tones. The PWM uses 16-bit resolution and a 4
×
16 data FIFO
to generate sound. The 16-bit up-counter has a source selectable clock with 4
×
16 FIFO to minimize
interrupt overhead. Clock-in frequency is controlled by a 12-bit prescaler for the division of a clock.
Capable of sound and melody generation, the PWM has an active-high or active-low configurable output,
and can be programmed to be active in low-power and debug modes. The PWM can be programmed to
generate interrupts at compare and rollover events.
2.3.28
Real Time Clock (RTC)
The Real Time Clock (RTC) module maintains the system clock, provides stopwatch, alarm, and
interrupt functions, and supports the following features:
Full clock—days, hours, minutes, seconds
Minute countdown timer with interrupt
Programmable daily alarm with interrupt
Sampling timer with interrupt
Once-per-day, once-per-hour, once-per-minute, and once-per-second interrupts
Operation at 32.768 kHz or 32 kHz, or 38.4 kHz (determined by reference clock crystal)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX27_08 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processor
MCIMX27ADSE 功能描述:開發(fā)板和工具包 - ARM I.MX27 ADS RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評估: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
MCIMX27ADSE 制造商:Freescale Semiconductor 功能描述:Development Kit
MCIMX27EC 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processor
MCIMX27IPCAM 功能描述:視頻 IC 開發(fā)工具 I.MX27 IP CAMERA REF RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V
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