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ADL5592ACPZ-R71 数据表(PDF) 13 Page - Analog Devices |
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ADL5592ACPZ-R71 数据表(HTML) 13 Page - Analog Devices |
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13 / 20 page ![]() ADL5592 Rev. 0 | Page 13 of 20 1 0 1 0 1 0 t0 t1 t3 t2 LOAD DATA INTO SERIAL REGISTER ON RISING EDGE. TRANSFER DATA FROM SERIAL REGISTER TO PARALLEL LATCHES ON LE FALLING EDGE. D0 D9 LE CLK DATA Figure 19. Timing Diagram of SPI Port Transmission Table 4. 10-Bit Gain Words for SPI Port ATTN 2 ATTN 1 Resulting Attenuation D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 ATTN 1 (dB) ATTN 2 (dB) Total Attenuation (dB) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 2 2 0 0 1 0 0 0 0 0 0 0 0 4 4 0 1 0 0 0 0 0 0 0 0 0 8 8 1 0 0 0 0 0 0 0 0 0 0 16 16 1 1 1 1 1 0 0 0 0 0 0 31 31 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 1 0 2 0 2 0 0 0 0 0 0 0 1 0 0 4 0 4 0 0 0 0 0 0 1 0 0 0 8 0 8 0 0 0 0 0 1 0 0 0 0 16 0 16 0 0 0 0 0 1 1 1 1 1 31 0 31 1 1 1 1 1 1 1 1 1 1 31 31 62 Table 5. Timing Requirements for the SPI Port Mnemonic Description Min Max Unit t0 Latch enable setup time. Time between latch enable active (high) and first rising edge of serial clock. 15 ns t1 Serial data setup time. Time between valid serial data and rising clock edge. Note that this time applies to all bits in the serial data stream 15 ns t2 Serial data hold time. Time after rising clock edge during which the serial data line cannot change in value. Note that this time applies to all bits in the serial data stream 15 ns t3 Latch enable hold time. Time after final falling clock edge during which the latch enable must remain active (high). 15 ns fCLK Clock period. 15 MHz |
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