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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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CSG14K_CSG8K 数据表(PDF) 103 Page - OSRAM GmbH |
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CSG14K_CSG8K 数据表(HTML) 103 Page - OSRAM GmbH |
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103 / 114 page  Document Feedback CSG14K_CSG8K Functional Description Datasheet • PUBLIC DS000571 • v2-01 • 2023-Feb-10 113 │ 102 Enabling the DOUT_OB_* channels has no impact on the regular DOUT* channels transporting the visible pixel data. 7.8.8 Test Images The data stream can be replaced with a number of test patterns. Selection of test mode is made with the TEST_LVDS register as indicated in the table below. Figure 130: Test Images Registers Reg. Name Bank Addr Bits Description TEST_LVDS 0 75 [1:0] See table below TRAINING_WORD 0 73-74 [12:0] Choose a value TX_TEST_EN 3 74-75 [9:7] See table below. Applies to DATAx_OUT, OB_OUT and CTR_OUT CLK_OUT.TX_TEST_EN 3 78-79 [9:7] See table below. Applies only to CLK_OUT Figure 131: Test Modes # TX_TEST_EN TEST_LVDS DATAx_OUT OB_OUT CTR_OUT CLK_OUT 0 0 0 Normal Normal Normal Normal 1 0 1 Force training word continuously Force training word continuously Force training word continuously Normal 2 0 2 Test image: gradient Drive constant 0 Normal Normal 3 0 3 Test image: LFSR Drive constant 0 Normal Normal 4 1 - Force clock output Force clock output Force clock output Normal 5 3 - PRBS-7 PRBS-7 PRBS-7 PRBS-7 6 4 - PRBS-15 PRBS-15 PRBS-15 PRBS-15 Mode 0 is the functional mode. Modes 1 to 3 are test modes that replace the image data with known data. In test mode 1, the data and OB output channels are forced to output register TRAINING_WORD and the control channel outputs its own training word. In test modes 2 and 3, a fixed test image is created. The CLK_OUT and CTR_OUT channels drive their normal values, so only the actual pixel data is replaced. This is useful to debug the camera system before grabbing real images. In test mode 2, the data of pixel N is replaced by the value: |
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