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CY8C9520A Datasheet(PDF) 10 Page - Cypress Semiconductor |
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CY8C9520A Datasheet(HTML) 10 Page - Cypress Semiconductor |
10 / 32 page CY8C9520A CY8C9540A, CY8C9560A Document Number: 38-12036 Rev. *E Page 10 of 32 Figure 6. Memory Reading and Writing Figure 7. Port Reading and Writing in Multi-Port Device S A6 A5 A3 A2 A1 A0 1 A A4 data(Addr) A data(Addr+1) ACK from Slave S A6 A5 A3 A2 A1 A0 0 A High(Addr) A Low(Addr) A4 A N P No ACK from Master Stop A ... ACK from Master ACK from Master ACK from Slave ACK from Slave ACK from Slave R/W Start Slave Address R/W Memory Address Reading from EEPROM data 1 S A6 A5 A3 A2 A1 A0 0 A High(Addr) A Low(Addr) A4 A ACK from Slave ACK from Slave ACK from Slave Start R/W Writing to EEPROM A data 2 A P If current address crosses 64-byte block boundary, then device performs real writing to EEPROM Stop A ... Up to the End of Address Space Memory Address Slave Address S 0 A data from GPort1 ... Start Slave Address R/W Register Address = 1 Reading from GPort 1 0 0 0 0 0 0 0 1 A S A6 A5 A3 A2 A1 A0 A4 A6 A5 A3 A2 A1 A0 A4 1 A A data from GPort 2 A N P No ACK from Master Stop ACK from Slave ACK from Slave ACK from Master R/W At this moment, device performs reading from GPort 1 Reading from GPort 2 S 0 A data from GPort1 ... Start R/W Register Address = 09h Writing from GPort 1 0 0 0 0 1 0 0 1 A A6 A5 A3 A2 A1 A0 A4 A A ACK from Slave ACK from Slave ACK from Slave At this moment, device performs output to GPort 1 data from GPort 2 data from GPort 3 Output to GPort 2 Output to GPort 3 A ACK from Slave P Stop Slave Address [+] Feedback |
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Similar Description - CY8C9520A |
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