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参数资料
型号： MCIMX255AJM4
厂商： Freescale Semiconductor
文件页数： 44/140页
文件大小： 0K
描述： MPU IMX25 AUTO 400-MAPBGA
特色产品： MCIMX25 Applications Processors
标准包装： 90
系列： i.MX25
核心处理器： ARM9
芯体尺寸： 32-位
速度： 400MHz
连通性： 1 线，CAN，EBI/EMI，以太网，I²C，MMC，智能卡，SPI，SSI，UART/USART，USB OTG
外围设备： DMA，I²S，LCD，POR，PWM，WDT
输入/输出数： 128
程序存储器类型： 外部程序存储器
RAM 容量： 144K x 8
电压 - 电源 (Vcc/Vdd)： 1.15 V ~ 1.52 V
数据转换器： A/D 3x12b
振荡器型： 外部
工作温度： -40°C ~ 85°C
封装/外壳： 400-LFBGA
包装： 托盘
i.MX25 Applications Processor for Automotive Products, Rev. 10
138
Freescale Semiconductor
5
Revision History
Table 104 summarizes revisions to this document.
Table 104. Revision History
Rev.
Number
Date
Substantive Change(s)
Rev. 10
05/2013
Updated DDR timing parameters in
– Table 47, “SDRAM Self-Refresh Cycle Timing Parameters”
– Table 49, “Mobile DDR SDRAM Read Cycle Timing Parameters”
– Table 51, “tlS, tlH Derating Values for DDR2-400, DDR2-533”
Table 101, “17×17 mm Package i.MX25 Signal Contact Assignment”: Updated configuration after reset
for contact D11 to “100 K
Ω Pull-Up”
Rev. 9
06/2012
In Section 1, “Introduction,” modified the first paragraph.
In Table 1, "Ordering Information," on page 3, removed exclamation marks from table rows and also
removed table footnote.
In Table 3, "i.MX25 Digital and Analog Modules," on page 6, modified description of block mnemonic,
SIM.
Updated Section 3.2.1, “Power-Up Sequence.”
Updated Section 3.2.3, “SRTC DryIce Power-Up/Down Sequence.”
In Figure 38 and Table 56:
—Removed “_B” and added an overbar to signal names, CSx_B, RW_B, OE_B, EBy_B, LBA_B,
ECB_B, and DTACK_B
—Changed CSx and CSy to CS[x] and CS[y], respectively
In Table 57, "WEIM Asynchronous Timing Parameters Relative to Chip Select Table," on page 76:
—Changed WE and WEA to RW and RWA, respectively, for reference number, WE33
—Changed WE and WEN to RW and RWN, respectively, for reference number, WE34
—Changed RLBA, RLBN, and ADH to LBA, LBN, and LAH, respectively, for reference number, WE35A
—Changed RBEA to EBRA for reference number, WE37
—Changed RBEN to EBRN for reference number, WE38
—Changed WCSA to CSA for reference numbers, WE41 and WE41A
—Changed WLBA, WLBN, and ADH to LBA, LBN, and LAH, respectively, for reference number, WE41A
—Changed WBEA and WBEN to EBWA and EBWN, respectively, for reference numbers, WE45 and
WE46
Updated the note after Table 57.
In Table 99, "USB Timing Specification in Parallel Mode," on page 124, swapped the values of Min and
Max columns for IDs, US15 and US16.
Rev. 8
01/2011
Updated the first paragraph of Section 3.2.3, “SRTC DryIce Power-Up/Down Sequence.”
Updated Table 4, "Signal Considerations," on page 9 for NVCC_DRYICE signal.
Updated the third note for Table 6, "DC Operating Conditions," on page 11.
Added Table 9, "Recommended External Crystal Specifications," on page 13.
Added Table 10, "Recommended External Reference Clock Specifications," on page 13.
In Table 27, "AC Parameters for SDRAM I/O," on page 36, the frequency specification has been updated
to 133 MHz.
In Table 28, "AC Parameters for SDRAM pbijtov18_33_ddr_clk I/O," on page 37, the frequency
specification has been updated to 133 MHz.
Added a note for the line NVCC_DRYICE in Table 100, "17
×17 mm Package Ground, Power Sense, and
Reference Contact Assignments," on page 125.
Updated Table 101, "17×17 mm Package i.MX25 Signal Contact Assignment," on page 127.
Rev. 7
—
This revision number was skipped so the Consumer/Industrial and Automotive revision numbers can be in
sync.
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MCIMX255AJM4A 功能描述:处理器 - 专门应用 IMX25 1.2 AUTO RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX255AJM4AR2 功能描述:处理器 - 专门应用 IMX25 1.2 AUTO RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX255AVM4 功能描述:处理器 - 专门应用 SENNA IMX25 1.1 AUTO RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX257CJM4 功能描述:处理器 - 专门应用 IMX25 INDUSTRIAL RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
MCIMX257CJM4A 功能描述:处理器 - 专门应用 IMX25 1.2 INDUST RoHS:否 制造商:Freescale Semiconductor 类型:Multimedia Applications 核心:ARM Cortex A9 处理器系列:i.MX6 数据总线宽度:32 bit 最大时钟频率:1 GHz 指令/数据缓存: 数据 RAM 大小:128 KB 数据 ROM 大小: 工作电源电压: 最大工作温度:+ 95 C 安装风格:SMD/SMT 封装 / 箱体:MAPBGA-432
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