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AP0101CS 数据表(PDF) 31 Page - ON Semiconductor |
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AP0101CS 数据表(HTML) 31 Page - ON Semiconductor |
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31 / 42 page ![]() AP0101CS/D Rev. 7, 1/16 EN 31 ©Semiconductor Components Industries, LLC,2016. AP0101CS HDR: Image Signal Processor (ISP) Protocol Single READ from Current Location Figure 17 shows the single READ cycle without writing the address. The internal address will use the previous address value written to the register. Figure 17: Single Read from Current Location Sequential READ, Start from Random Location This sequence (Figure 18) starts in the same way as the single READ from random loca- tion (Figure 16 on page 30). Instead of generating a no-acknowledge bit after the first byte of data has been transferred, the master generates an acknowledge bit and continues to perform byte READs until “L” bytes have been read. Figure 18: Sequential READ, Start from Random Location Sequential READ, Start from Current Location This sequence (Figure 19) starts in the same way as the single READ from current loca- tion (Figure 17). Instead of generating a no-acknowledge bit after the first byte of data has been transferred, the master generates an acknowledge bit and continues to perform byte reads until “L” bytes have been read. Figure 19: Sequential READ, Start from Current Location Slave Address 1 S A Read Data [15:8] Slave Address A 1 S P Read Data [15:8] P Previous Reg Address, N Reg Address, N+1 N+2 A A Read Data [7:0] A Read Data [7:0] A Read Data (15:8) A A Read Data (15:8) A Read Data (7:0) A Slave Address 0 S Sr A Reg Address[15:8] A Reg Address[7:0] A Read Data Slave Address Previous Reg Address, N Reg Address, M M+1 M+2 M+1 M+3 A 1 M+L-2 M+L-1 M+L A P A Read Data (15:8) A Read Data (7:0) A Read Data (15:8) A Read Data (7:0) A Read Data (7:0) A A A A A A A Read Data Read Data Previous Reg Address, N N+1 N+2 N+L-1 N+L A Read Data Slave Address A A 1 A S P Read Data (15:8) A Read Data (7:0) A Read Data (15:8) A Read Data (7:0) A Read Data (15:8) A Read Data (7:0) A Read Data Read Data (15:8) A Read Data (7:0) A AA A AA A |
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