參數(shù)資料
型號： MCIMX251AVM4
廠商： Freescale Semiconductor
文件頁數(shù)： 130/140頁
文件大?。?/td> 0K
描述： IC MPU I.MX25 AUTO 400MAPBGA
標準包裝： 90
系列： i.MX25
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(shè)備： DMA，I²S，POR，PWM，WDT
輸入/輸出數(shù)： 128
程序存儲器類型： 外部程序存儲器
RAM 容量： 144K x 8
電壓 - 電源 (Vcc/Vdd)： 1.15 V ~ 1.52 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 3x12b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 400-LFBGA
包裝： 托盤
i.MX25 Applications Processor for Automotive Products, Rev. 10
Freescale Semiconductor
9
2.1
Special Signal Considerations
Special signal considerations are listed in Table 4. The package contact assignment is found in Section 4,
“Package Information and Contact Assignment.” Signal descriptions are provided in the reference manual.
.
SLCD
Smart LCD
controller
Multimedia
peripherals
The SLCDC module transfers data from the display memory buffer to the
external display device.
SPBA
Shared
peripheral bus
arbiter
System control
The SPBA controls access to the shared peripherals. It supports shared
peripheral ownership and access rights to an owned peripheral.
SSI(2)
I2S/SSI/AC97
interface
Connectivity
peripherals
The SSI is a full-duplex serial port that allows the processor to communicate
with a variety of serial protocols, including the Freescale Semiconductor SPI
standard and the inter-IC sound bus standard (I2S). The SSIs
interface to the AUDMUX for flexible audio routing.
TSC (and ADC) Touchscreen
controller (and
A/D converter)
Multimedia
peripherals
The touchscreen controller and associated Analog-to-Digital Converter
(ADC) together provide a resistive touchscreen solution. The module
implements simultaneous touchscreen control and auxiliary ADC operation
for temperature, voltage, and other measurement functions.
UART(5)
UART
interface
Connectivity
peripherals
Each of the UART modules supports the following serial data
transmit/receive protocols and configurations:
7- or 8-bit data words, one or two stop bits, programmable parity (even,
odd, or none)
Programmable baud rates up to 4 MHz. This is a higher maximum baud
rate than the 1.875 MHz specified by the TIA/EIA-232-F standard and
previous Freescale UART modules. 32-byte FIFO on Tx and 32 half-word
FIFO on Rx supporting auto-baud
IrDA-1.0 support (up to SIR speed of 115200 bps)
Option to operate as 8-pins full UART, DCE, or DTE
USBOTG
USBHOST
High-speed
USB
on-the-go
Connectivity
peripherals
The USB module provides high-performance USB On-The-Go (OTG) and
host functionality (up to 480 Mbps), compliant with the USB 2.0 specification,
the OTG supplement, and the ULPI 1.0 Low Pin Count specification. The
module has DMA capabilities for handling data transfer between internal
buffers and system memory. An OTG HS PHY and HOST FS PHY are also
integrated.
Table 4. Signal Considerations
Signal
Description
BAT_VDD
DryIce backup power supply input.
CLK0
Clock-out pin; renders the internal clock visible to users for debugging. The clock source is controllable
through CRM registers. This pin can also be configured (through muxing) to work as a normal GPIO.
CLK_SEL
Used to select the ARM clock source from MPLL out or from external EXT_ARMCLK. In normal operation,
CLK_SEL should be connected to GND.
EXT_ARMCLK
Primarily for Freescale factory use. There is no internal on-chip pull-up/down on this pin, so it must be
externally connected to GND or VDD. Aside from factory use, this pin can also be configured (through
muxing) to work as a normal GPIO.
Table 3. i.MX25 Digital and Analog Modules (continued)
Block
Mnemonic
Block Name
Subsystem
Brief Description
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX253CJM4 功能描述:處理器 - 專門應(yīng)用 IMX25 INDUSTRIAL 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
MCIMX253CJM4A 功能描述:處理器 - 專門應(yīng)用 IMX25 1.2 INDUST 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
MCIMX253CVM4 功能描述:處理器 - 專門應(yīng)用 SENNA IMX25 1.1 INDUSTRIAL 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
MCIMX253DJM4 功能描述:處理器 - 專門應(yīng)用 SENNA IMX25 COMM 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
MCIMX253DJM4A 功能描述:處理器 - 專門應(yīng)用 IMX25 1.2 COMM 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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