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7516 Datasheet(PDF) 65 Page - Renesas Technology Corp |
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7516 Datasheet(HTML) 65 Page - Renesas Technology Corp |
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65 / 90 page  Rev.1.01 Jul 01, 2003 page 65 of 89 7516 Group qRead Status Register Command This command reads status information. When the “7016” com- mand code is transferred with the 1st byte, the contents of the status register (SRD) with the 2nd byte and the contents of status register 1 (SRD1) with the 3rd byte are read. qPage Read Command This command reads the specified page (256 bytes) in the flash memory sequentially one byte at a time. Execute the page read command as explained here following. (1) Transfer the “FF16” command code with the 1st byte. (2) Transfer addresses A8 to A15 and A16 to A23 (“0016”) with the 2nd and 3rd bytes respectively. (3) From the 4th byte onward, data (D0 to D7) for the page (256 bytes) specified with addresses A8 to A23 will be output se- quentially from the smallest address first synchronized with the fall of the clock. Fig. 66 Timing for page read Fig. 67 Timing for reading status register data0 data255 A8 to A15 A16 to A23 FF16 SCLK RxD TxD SRDY1(BUSY) SRD output SRD1 output SCLK RxD TxD SRDY1(BUSY) 7016 |
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