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AD7416 Datasheet(PDF) 15 Page - Analog Devices |
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AD7416 Datasheet(HTML) 15 Page - Analog Devices |
15 / 24 page AD7416/AD7417/AD7418 Rev. I | Page 15 of 24 written to the selected data register. This is illustrated in Figure 16. • Writing two bytes of data to the TOTI setpoint or THYST setpoint register. If 9-bit resolution is required for the temperature setpoints, two bytes of data must be written to the TOTI setpoint and THYST setpoint registers. This consists of the serial bus address, the register address written to the address pointer register, followed by two data bytes written to the selected data register. This is illustrated in Figure 17. SCL 1 1 9 9 SDA 1 001 START BY MASTER ACK. BY AD741x1 ACK. BY AD741x1 STOP BY MASTER FRAME 2 ADDRESS POINTER REGISTER BYTE FRAME 1 SERIAL BUS ADDRESS BYTE 1AD741x = AD7416/AD7417/AD7418. A2 A1 P7 P6 P5 P4 P3 P2 P1 P0 A0 R/W Figure 15. Writing to the Address Pointer Register to Select a Data Register for a Subsequent Read Operation SCL 1 1 1 9 9 9 SDA 1 0 0 1 START BY MASTER ACK. BY AD741x1 ACK. BY AD741x1 ACK. BY AD741x1 STOP BY MASTER FRAME 2 ADDRESS POINTER REGISTER BYTE FRAME 3 DATA BYTE FRAME 1 SERIAL BUS ADDRESS BYTE SCL (CONTINUED) SDA (CONTINUED) A2 A1 P7 P6 P5 P4 P3 P2 P1 P0 D6 D7 D5 D4 D3 D2 D1 D0 A0 R/W 1AD741x = AD7416/AD7417/AD7418. Figure 16. Writing to the Address Pointer Register Followed by a Single Byte of Data to the Selected Data Register SCL SCL (CONTINUED) SDA (CONTINUED) 11 9 1 19 9 SDA 1 0 0 1 START BY MASTER ACK. BY AD741x1 ACK. BY AD741x1 ACK. BY AD741x1 STOP BY MASTER ACK. BY AD741x1 STOP BY MASTER FRAME 2 ADDRESS POINTER REGISTER BYTE FRAME 1 SERIAL BUS ADDRESS BYTE A2 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 A1 P7 P6 P5 P4 P3 P2 P1 P0 A0 R/W 9 FRAME 3 MOST SIGNIFICANT DATA BYTE FRAME 4 LEAST SIGNIFICANT DATA BYTE 1AD741x = AD7416/AD7417/AD7418. Figure 17. Writing to the Address Pointer Register Followed by Two Bytes of Data to the TOTI Setpoint or THYST Setpoint Register |
Similar Part No. - AD7416_10 |
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Similar Description - AD7416_10 |
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