參數(shù)資料
型號: MCIMX258CVM4
廠商: Freescale Semiconductor
文件頁數(shù): 115/153頁
文件大?。?/td> 0K
描述: IC MPU I.MX25 IND 400MAPBGA
標(biāo)準(zhǔn)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,LCD,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 Consumer and Industrial Products, Rev. 10
64
Freescale Semiconductor
Figure 32. DDR2 SDRAM Write Cycle Timing Diagram
Table 52. DDR2 SDRAM Write Cycle Parameter Table
ID
Parameter
Symbol
DDR2-400
Unit
Min.
Max.
DDR17
DQ & DQM setup time to DQS (single-ended strobe)1
1 These values are for a DQ/DM slew rate of 1 V/ns and a DQS slew rate of 1 V/ns. For additional values use Table 53, “DtDS1,
DtDH1 Derating Values for DDR2-400, DDR2-533.”
tDS1(base)
0.6
ns
DDR18
DQ & DQM hold time to DQS (single-ended strobe)1
tDH1(base)
0.6
ns
DDR19
Write cycle DQS falling edge to SDCLK output setup time
tDSS
0.3
tCK
DDR20
Write cycle DQS falling edge to SDCLK output hold time
tDSH
0.3
tCK
DDR21
DQS latching rising transitions to associated clock edges
tDQSS
-0.2
0.2
tCK
DDR22
DQS high-level width
tDQSH
0.35
tCK
DDR23
DQS low-level width
tDQSL
0.35
tCK
Table 53.
ΔtDS1, ΔtDH1 Derating Values for DDR2-400, DDR2-5331,2,3
DQS Single-Ended Slew Rate
2.0 V/ns
1.5 V/ns
1.0 V/ns
0.9 V/ns
0.8 V/ns
0.7 V/ns
0.6 V/ns
0.5 Vns
0.4 V/ns
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
ΔtD
S1
ΔtD
H1
SDCLK
SDCLK_B
DQS (output)
DQ (output)
DQM (output)
Data
Data
DM
DDR17
DDR18
DDR19
DDR20
DDR21
DDR23
DDR22
相關(guān)PDF資料
PDF描述
MCIMX257DVM4 IC MPU I.MX25 COMM 400MAPBGA
MCIMX257CVM4 IC MPU I.MX25 IND 400MAPBGA
1061541121 ADPT OPT MULTIMODE SC-ST BEIGE
S9S08DN32F1MLH IC MCU 8BIT 32KB FLASH 64LQFP
S9S08DN32F1MLF IC MCU 8BIT 32KB FLASH 48LQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX25LPDK 制造商:Freescale Semiconductor 功能描述:PRODUCT DEVELOPMENT KIT FOR THE I MX25 APPLICATIONS PROCESSO - Boxed Product (Development Kits) 制造商:Freescale Semiconductor 功能描述:KIT DEV I.MX25 FOR LINUX 制造商:Freescale 功能描述:Product Development Kit For The I.MX25 Applications Processor
MCIMX25LPDKJ 功能描述:開發(fā)板和工具包 - ARM HARDWARE 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
MCIMX25LPDKJ 制造商:Freescale Semiconductor 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE
MCIMX25PDKCPUJ 功能描述:開發(fā)板和工具包 - ARM CPU BD, MX25, LINUXJ 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
MCIMX25WPDK 功能描述:開發(fā)板和工具包 - ARM MCIMX25 PDK ForLINUX 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