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CSG14K_CSG8K датащи(PDF) 32 Page - ams AG |
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CSG14K_CSG8K датащи(HTML) 32 Page - ams AG |
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32 / 113 page ![]() Document Feedback CSG14K_CSG8K Functional Description Datasheet • PUBLIC DS000571 • v1-00 • 2020-Dec-15 112 │ 31 Both RW_CONTEXT and ACTIVE_CONTEXT registers are always accessible, regardless of the currently selected bank. Figure 26: Context Switching Registers Register Name Bank Addr Pos Description ACTIVE_CONTEXT N/A 2 [7:0] 0: Use context A 1: Use context B RW_CONTEXT N/A 3 [7:0] 0: Access context A 1: Access context B PARAM_HOLD 0 4 [0:0] Must be set to ‘1’ during the new context upload. See detailed procedure below DISABLE_FRAMESYNC 0 5 [0:0] Must be set to ‘0’ for on- the-fly context switching. The figure below shows how to upload a new context B and achieve a seamless context switch from context A to context B while acquiring frames (for example in streaming mode). Figure 27 : Context Switch Procedure (1) DISABLE_FRAMESYNC must be set to ‘0’ first to guarantee uninterrupted frame acquisition (2) Then set RW_CONTEXT to the inactive context (B in this example) (3) Set PARAM_HOLD to ‘1’, followed by all modifications to context B registers. (4) The setting of the new ACTIVE_CONTEXT can be done at any time, while PARAM_HOLD is ‘1’ (5) When all uploads to context B are done, setting PARAM_HOLD back to ‘0’ will initiate a new frame using the exposure settings of context B, at the first frame time possible, while finishing the readout of the last frame with context A settings in parallel. DISABLE_FRAMESYNC ACTIVE_CONTEXT Effective Frame exposure settings RW_CONTEXT B A B A A0 B1 A A0 A0 B1 Effective Frame readout settings A0 A0 A0 B1 A0 B1 B0 PARAM_HOLD MODIFICATIONS Context B register settings |
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