參數(shù)資料
型號: MCIMX514AJM6C
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA529
封裝: 19 X 19 MM, 0.8 MM PITCH, ROHS COMPLIANT, BGA-529
文件頁數(shù): 154/172頁
文件大?。?/td> 2218K
代理商: MCIMX514AJM6C
i.MX51A Automotive and Infotainment Applications Processors, Rev. 4
82
Freescale Semiconductor
Electrical Characteristics
A frame starts with a rising edge on SENSB_VSYNC (all the timings correspond to straight polarity of the
corresponding signals). Then SENSB_HSYNC goes to high and hold for the entire line. 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 line. Pixel clocks then become invalid and the CSI stops
receiving data from the stream. For next line the SENSB_HSYNC timing repeats. For next frame the
SENSB_VSYNC timing repeats.
4.7.8.1.3
Non-Gated Clock Mode
The timing is the same as the gated-clock mode (described in Section 4.7.8.1.2, “Gated Clock Mode”),
except for the SENSB_HSYNC signal, which is not used. See Figure 50. All incoming pixel clocks are
valid and 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 50. Non-Gated Clock Mode Timing Diagram
The timing described in Figure 50 is that of a typical sensor. Some other sensors may have a slightly
different timing. The CSI can be programmed to support rising/falling-edge triggered SENSB_VSYNC;
active-high/low SENSB_HSYNC; and rising/falling-edge triggered SENSB_PIX_CLK.
4.7.8.2
Electrical Characteristics
Figure 51 depicts the sensor interface timing. SENSB_MCLK signal described here is not generated by
the IPU.
Figure 51. Sensor Interface Timing Diagram
SENSB_VSYNC
SENSB_PIX_CLK
SENSB_DATA[19:0]
invalid
1st byte
n+1th frame
invalid
1st byte
nth frame
Start of Frame
IP3
SENSB_DATA,
SENSB_VSYNC,
IP2
1/IP1
SENSB_PIX_CLK
(Sensor Output)
SENSB_HSYNC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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