参数资料
型号: MCIMX357CVM5B
厂商: Freescale Semiconductor
文件页数: 112/147页
文件大小: 0K
描述: IC MPU I.MX35 400MAPBGA
标准包装: 90
系列: i.MX35
核心处理器: ARM11
芯体尺寸: 32-位
速度: 532MHz
连通性: 1 线,CAN,EBI/EMI,以太网,I²C,MMC,SPI,SSI,UART/USART,USB OTG
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 96
程序存储器类型: ROMless
RAM 容量: 128K x 8
电压 - 电源 (Vcc/Vdd): 1.33 V ~ 1.47 V
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.MX35 Applications Processors for Industrial and Consumer Products, Rev. 10
Freescale Semiconductor
67
inserted in between EAV and SAV code. The CSI decodes and filters out the timing coding from the data
stream, thus recovering SENSB_VSYNC and SENSB_HSYNC signals for internal use.
4.9.12.2.2
Gated Clock Mode
The SENSB_VSYNC, SENSB_HSYNC, and SENSB_PIX_CLK signals are used in this mode. See
Figure 44. Gated Clock Mode Timing Diagram
A frame starts with a rising edge on SENSB_VSYNC (all the timing corresponds to straight polarity of the
corresponding signals). Then SENSB_HSYNC goes to high and hold for the entire line. The pixel clock
is valid as long as SENSB_HSYNC is high. Data is latched at the rising edge of the valid pixel clocks.
SENSB_HSYNC goes to low at the end of the line. Pixel clocks then become invalid and the CSI stops
receiving data from the stream. For the next line, the SENSB_HSYNC timing repeats. For the next frame,
the SENSB_VSYNC timing repeats.
4.9.12.2.3
Non-Gated Clock Mode
The timing is the same as the gated-clock mode (described in Section 4.9.12.2.2, “Gated Clock Mode”),
except for the SENSB_HSYNC signal, which is not used. See Figure 45. All incoming pixel clocks are
valid and will cause data to be latched into the input FIFO. The SENSB_PIX_CLK signal is inactive (states
low) until valid data is going to be transmitted over the bus.
Figure 45. Non-Gated Clock Mode Timing Diagram
SENSB_VSYNC
SENSB_HSYNC
SENSB_PIX_CLK
SENSB_DATA[9:0]
invalid
1st byte
n+1th frame
invalid
1st byte
nth frame
Active Line
Start of Frame
SENSB_VSYNC
SENSB_PIX_CLK
SENSB_DATA[7:0]
invalid
1st byte
n+1th frame
invalid
1st byte
nth frame
Start of Frame
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