參數資料
型號: MCIMX258CVM4
廠商: Freescale Semiconductor
文件頁數: 104/153頁
文件大?。?/td> 0K
描述: IC MPU I.MX25 IND 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,I²C,MMC,智能卡,SPI,SSI,UART/USART,USB OTG
外圍設備: DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數: 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
數據轉換器: 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
54
Freescale Semiconductor
3.7.5
Configurable Serial Peripheral Interface (CSPI) Timing
Figure 23 and Figure 24 provide CSPI master and slave mode timing diagrams, respectively. Table 43
describes the timing parameters (t1–t14) that are shown in the figures. The values shown in timing
diagrams were tested using a worst-case core voltage of 1.1 V, slow pad voltage of 2.68 V, and fast pad
voltage of 1.65 V.
Figure 23. CSPI Master Mode Timing Diagram
Figure 24. CSPI Slave Mode Timing Diagram
t1
t10
t3
t2
SS
n
SCLK
MOSI
MISO
RDY
(input)
(output)
t8
t6
t4
t5
t7
t9
(output)
t11
t12
t13
t1’
t10
t3’
t2’
SS
n
SCLK
MISO
MOSI
(input)
t4
t5’
t7’
(input)
t11
t12
t13
t6’
t14
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