参数资料
型号: MCIMX31DVMN5DR2
厂商: Freescale Semiconductor
文件页数: 60/118页
文件大小: 0K
描述: IC MPU I.MX31 CONSUMR 473MAPBGA
标准包装: 750
系列: i.MX31
核心处理器: ARM11
芯体尺寸: 32-位
速度: 532MHz
连通性: 1 线,ATA,EBI/EMI,FIR,I²C,MMC/SD,PCMCIA,SIM,SPI,SSI,UART/USART,USB,USB OTG
外围设备: DMA,LCD,POR,PWM,WDT
程序存储器类型: ROMless
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.22 V ~ 3.3 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 473-LFBGA
包装: 带卷 (TR)
MCIMX31/MCIMX31L Technical Data, Rev. 4.3
46
Freescale Semiconductor
Electrical Characteristics
NOTE
SDR SDRAM CLK parameters are being measured from the 50%
point—that is, high is defined as 50% of signal value and low is defined as
50% of signal value. SD1 + SD2 does not exceed 7.5 ns for 133 MHz.
The timing parameters are similar to the ones used in SDRAM data
sheets—that is, Table 33 indicates SDRAM requirements. All output signals
are driven by the ESDCTL at the negative edge of SDCLK and the
parameters are measured at maximum memory frequency.
SD9
Data out hold time1
tOH
1.8
ns
SD10
Active to read/write command period
tRC
10
clock
1 Timing parameters are relevant only to SDR SDRAM. For the specific DDR SDRAM data related timing parameters, see
Table 33. DDR/SDR SDRAM Read Cycle Timing Parameters (continued)
ID
Parameter
Symbol
Min
Max
Unit
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