Datenblatt-Suchmaschine für elektronische Bauteile |
|
AD7143 Datenblatt(PDF) 31 Page - Analog Devices |
|
AD7143 Datenblatt(HTML) 31 Page - Analog Devices |
31 / 57 page AD7143 Rev. 0 | Page 30 of 56 SDA DEV A6 DEV A5 DEV A4 R/W A7 A6 SCLK DEV A3 A1 A0 1 26 234 17 18 19 20 25 DEV A2 DEV A1 DEV A0 ACK A15 A14 11 16 5678 910 AD7143 DEVICE ADDRESS A9 A8 REGISTER ADDRESS [A15:A8] REGISTER ADDRESS [A7:A0] ACK 35 28 30 34 37 36 44 38 45 D1 D0 D7 D6 SR ACK 46 P DEV A6 DEV A5 DEV A4 12 3 t8 t7 t6 t5 t4 t2 t1 t3 AD7143 DEVICE ADDRESS ACK 27 AD7143 DEVICE ADDRESS DEV A6 DEV A5 DEV A1 DEV A0 R/W 29 39 35 28 30 34 37 36 44 38 45 D1 D0 D7 D6 S ACK 46 P t5 t4 AD7143 DEVICE ADDRESS DEV A6 DEV A5 DEV A1 DEV A0 R/W 29 39 P USING REPEATED START SEPARATE READ AND WRITE TRANSACTIONS ACK ACK START REGISTER DATA [D7:D0] REGISTER DATA [D7:D0] NOTES 1. A START CONDITION AT THE BEGINNING IS DEFINED AS A HIGH-TO-LOW TRANSITION ON SDA WHILE SCLK REMAINS HIGH. 2. A STOP CONDITION AT THE END IS DEFINED AS A LOW-TO-HIGH TRANSITION ON SDA WHILE SCLK REMAINS HIGH. 3. THE MASTER GENERATES THE ACK AT THE END OF THE READBACK TO SIGNAL THAT IT DOES NOT WANT ADDITIONAL DATA. 4. 7-BIT DEVICE ADDRESS [DEV A6:DEV A0] = [0 1 0 1 1 1 0]. 5. 16-BIT REGISTER ADDRESS[A15:A0] = [X, X, X, X, X, X, A9, A8, A7, A6, A5, A4, A3, A2, A1, A0], WHERE THE UPPER LSB Xs ARE DON’T CARE BITS. 6. REGISTER ADDRESS [A15:A8] AND REGISTER ADDRESS [A7:A0] ARE ALWAYS SEPARATED BY LOW ACK BITS. 7. REGISTER DATA [D15:D8] AND REGISTER DATA [D7:D0] ARE ALWAYS SEPARATED BY A LOW ACK BIT. 8. THE R/W BIT IS SET TO A1 TO INDICATE A READBACK OPERATION. Figure 40. Example of I2C Timing for Single Register Readback Operation WRITE OUTPUT FROM MASTER S P P ACK = NO ACKNOWLEDGE BIT W READ (USING REPEATED START) S W P READ (WRITE TRANSACTION SETS UP REGISTER ADDRESS) S W P S ACK ACK OUTPUT FROM AD7143 S = START BIT P = STOP BIT SR = REPEATED START BIT ACK = ACKNOWLEDGE BIT 7-BIT DEVICE ADDRESS REGISTER ADDR [15:8] REGISTER ADDR [7:0] WRITE DATA HIGH BYTE [15:8] WRITE DATA LOW BYTE [7:0] WRITE DATA HIGH BYTE [15:8] WRITE DATA LOW BYTE [7:0] READ DATA HIGH BYTE [15:8] READ DATA LOW BYTE [7:0] READ DATA HIGH BYTE [15:8] READ DATA LOW BYTE [7:0] 6-BIT DEVICE ADDRESS REGISTER ADDR LOW BYTE REGISTER ADDR HIGH BYTE 7-BIT DEVICE ADDRESS READ DATA LOW BYTE [7:0] READ DATA HIGH BYTE [15:8] READ DATA LOW BYTE [7:0] READ DATA HIGH BYTE [15:8] 6-BIT DEVICE ADDRESS REGISTER ADDR LOW BYTE REGISTER ADDR HIGH BYTE 7-BIT DEVICE ADDRESS Figure 41. Example of Sequential I2C Write and Readback Operation |
Ähnliche Teilenummer - AD7143_17 |
|
Ähnliche Beschreibung - AD7143_17 |
|
|
Link URL |
Privatsphäre und Datenschutz |
ALLDATASHEETDE.COM |
War ALLDATASHEET hilfreich? [ DONATE ] |
Über Alldatasheet | Werbung | Kontakt | Privatsphäre und Datenschutz | Linktausch | Hersteller All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |