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CAT1022LI-45T3 Fiches technique(PDF) 11 Page - Catalyst Semiconductor |
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CAT1022LI-45T3 Fiches technique(HTML) 11 Page - Catalyst Semiconductor |
11 / 21 page CAT1021, CAT1022, CAT1023 © 2007 Catalyst Semiconductor, Inc. 11 Doc. No. 3009 Rev. L Characteristics subject to change without notice Page Write The CAT1021/22/23 writes up to 16 bytes of data in a single write cycle, using the Page Write operation. The page write operation is initiated in the same manner as the byte write operation, however instead of terminating after the initial byte is transmitted, the Master is allowed to send up to 15 additional bytes. After each byte has been transmitted, the CAT1021/22/23 will respond with an acknowledge and internally increment the lower order address bits by one. The high order bits remain unchanged. If the Master transmits more than 16 bytes before sending the STOP condition, the address counter ‘wraps around,’ and previously transmitted data will be overwritten. When all 16 bytes are received, and the STOP condition has been sent by the Master, the internal programming cycle begins. At this point, all received data is written to the CAT1021/22/23 in a single write cycle. Figure 8. Byte Write Timing Figure 9: Page Write Timing BYTE ADDRESS SLAVE ADDRESS S A C K A C K DATA A C K S T O P P BUS ACTIVITY: MASTER SDA LINE S T A R T BUS ACTIVITY: MASTER SDA LINE DATA n+15 BYTE ADDRESS (n) A C K A C K DATA n A C K S T O P S A C K DATA n+1 A C K S T A R T P SLAVE ADDRESS |
Numéro de pièce similaire - CAT1022LI-45T3 |
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Description similaire - CAT1022LI-45T3 |
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