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SMS01GAF bảng dữ liệu(PDF) 51 Page - Numonyx B.V |
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SMS01GAF bảng dữ liệu(HTML) 51 Page - Numonyx B.V |
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51 / 61 page ![]() SMSxxxAF, SMSxxxFF, SMSxxxBF Serial peripheral interface (SPI) mode 51/61 Figure 42. STOP_TRANSMISSION within a Block During Multiple Block Read Figure 43. CSD Register Read Operation 7.6.2 Data Write Timings The host may deselect a card at any moment during Single and Multiple Block Write operations. The card will release the DataOut line one clock cycle after it is deselected (CS High). To check whether the card is still busy, the host must reselect it by driving CS Low. The card will then take control of the DataOut line one clock cycle after being reselected. In Multiple Block Write operations, the timings from the command being issued to the first data block being transmitted by the card are the same as for Single Block Write operations (see Figure 44 for details). The timing of Stop Tran prefixes is the same as that of data blocks. After the card receives the STOP_TRANSMISSION command, the data on the DataOut line is undefined for one Byte (NBR), then a busy message may be sent by the card. For timings, refer to Table 25. Figure 44. Single Block Write Operation L L * * * * * * * * * * * * * * * * * * * * * CS XH H HH Data In L L L LL H H * H Read Command ai10076 Z Z Card Response * * * * Data Out HH H NCS NCR X H H H HH H H H H * H H H * H * * * * * * * * STOP_TRAN. CMD Data H * H Data Block Card Response NAC NAC NCR H H H H H H * * X L L * * * * * * * * * * * * * * * * * * * * * CS X XX Data In L H H HH H H * * H Read Command ai10077 Z Z Card Response * * * * * * Data Out HH H NCS NCR X X H HH H Z Z H * H Z H * * H * * * * * * * * * * Data Block H H H H L L L H H H * * H NCX NEC LL * * * * * * * * * * * * * * * * * * * * * CS X HH Data In H L L LL H H * H Write Command ai10078 Z Z Card Response * * * * Data Out HH H NCS NCR H H H HH H H X * X H * H Busy H Z Z Z L H H L Data Response NCX NDS L L L LL L L H H H * H H * H HH HH Data Block Busy H HH HH H H NWR NEC |
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