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AD5253BRUZ50-RL7 Fiches technique(PDF) 17 Page - Analog Devices |
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AD5253BRUZ50-RL7 Fiches technique(HTML) 17 Page - Analog Devices |
17 / 32 page Data Sheet AD5253/AD5254 Rev. C | Page 17 of 32 From Master to Slave From Slave to Master S = start condition P = stop condition A = acknowledge (SDA low) A = not acknowledge (SDA high) AD1, AD0 = I2C device address bits, must match with the logic states at Pins AD1, AD0 R/W = read enable bit at logic high; write enable bit at logic low CMD/REG = command enable bit at logic high; register access bit at logic low C3, C2, C1, C0 = command bits A2, A1, A0 = RDAC/EEMEM register addresses 1 READ S 0 1 0 1 1 A D 1 A D 0 1 A P A RDAC_N OR EEMEM_N REGISTER DATA RDAC_N + 1 OR EEMEM_N + 1 REGISTER DATA SLAVE ADDRESS (N BYTES + ACKNOWLEDGE) A Figure 29. RDAC Current Read (Restricted to Previously Selected Address Stored in the Register) P S SLAVE ADDRESS 0 WRITE SLAVE ADDRESS INSTRUCTIONAL AND ADDRESS A 1 S REPEATED START 1 READ A 0 A (N BYTES + ACKNOWLEDGE) RDAC OR EEMEM DATA A/A Figure 30. RDAC or EEMEM Random Read 0 WRITE 1 CMD S 0 1 0 1 1 A D 1 A D 0 0 A C 3 C 2 C 1 C 0 A 2 A 1 A 0 A P RDAC SLAVE ADDRESS CMD/ REG Figure 31. RDAC Quick Command Write (Dummy Write) |
Numéro de pièce similaire - AD5253BRUZ50-RL7 |
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Description similaire - AD5253BRUZ50-RL7 |
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