参数资料
型号: MCIMX27MOP4A
厂商: Freescale Semiconductor
文件页数: 143/152页
文件大小: 0K
描述: IC MPU I.MX27 19X19 473MAPBGA
标准包装: 84
系列: i.MX27
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,LCD,POR,PWM,WDT
程序存储器类型: ROMless
RAM 容量: 45K x 8
电压 - 电源 (Vcc/Vdd): 1.38 V ~ 1.52 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 473-LFBGA
包装: 托盘
i.MX27 and i.MX27L Data Sheet, Rev. 1.8
90
Freescale Semiconductor
Electrical Characteristics
NOTE
All the timings for the SSI are given for a non-inverted serial clock polarity
(TSCKP/RSCKP = 0) and a non-inverted frame sync (TFSI/RFSI = 0). If the
polarity of the clock and/or the frame sync have been inverted, all the timing
remains valid by inverting the clock signal STCK/SRCK and/or the frame
sync STFS/SRFS shown in the tables and in the figures.
All timings are on AUDMUX pads when the SSI is being used for data
transfer.
“Tx” and “Rx” refer to the Transmit and Receive sections of the SSI.
For internal Frame Sync operation using external clock, the FS timing will
be same as that of Tx Data, for example, during the AC97 mode of
operation.
4.3.11.4
SSI Receiver Timing with External Clock
Figure 51 and Figure 52 show the SSI receiver timing with external clock, and Table 49 lists the timing
parameters.
Figure 51. SSI Receiver with External Clock Timing Diagram
SS24
SS34
SS35
SS30
SS28
SS26
SS25
SS23
AD1_TXC
AD1_TXFS (bl)
AD1_TXFS (wl)
AD1_RXD
SS40
SS22
SS32
SS36
SS41
(Input)
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