TPS65642A Datasheet, PDF (60/77 Pages) Texas Instruments – LCD Bias With Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors

TPS65642A
SLVSC21 – OCTOBER 2013
5.11.22 Example – Reading from a Single EEPROM Register
1. Bus master sends START condition
2. Bus master sends 7-bit slave address plus low R/W bit (E8h)
3. TPS65642A acknowledges
4. Bus master sends address of Control Register (FFh)
5. TPS65642A acknowledges
6. Bus master sends data for Control Register (01h)
7. TPS65642A acknowledges
8. Bus master sends STOP condition
9. Bus master sends START condition
10. Bus master sends 7-bit slave address plus low R/W bit (E8h)
11. TPS65642A acknowledges
12. Bus master sends address of EEPROM register (00h)
13. TPS65642A acknowledges
14. Bus master sends REPEATED START condition
15. Bus master sends 7-bit slave address plus high R/W bit (E9h)
16. TPS65642A acknowledges
17. TPS65642A sends EEPROM register data
18. Bus master does not acknowledge
19. Bus master sends STOP condition
74h
S 7-Bit Slave Address
FFh
0A
Control Register Address
A
01h
Control Register Data
AP
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74h
S 7-Bit Slave Address
0A
00h
EEPROM Register Address
A Sr
74h
7-Bit Slave Address
1A
Figure 5-33. Reading from a Single EEPROM Register
DATA
EEPROM Register Data
AP
60
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