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LAN9252/ML 数据表(PDF) 108 Page - Microchip Technology |
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LAN9252/ML 数据表(HTML) 108 Page - Microchip Technology |
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108 / 329 page ![]() LAN9252 DS00001909A-page 108 2015 Microchip Technology Inc. Figure 10-5 illustrates a typical single and multiple register fast read for SPI mode. Figure 10-6 illustrates a typical single and multiple register fast read for SQI mode. FIGURE 10-5: SPI FAST READ FIGURE 10-6: SQI FAST READ SPI Fast Read Single Register SCK (active high) SI 00 00 1 X Instruction 1 Address X SO d e c Data A 1 3 ... ... X ... SPI Fast Read Multiple Registers 10 D 7 D 6 D 5 Z Z X SCK (active low) SCS# ... X 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 3 3 3 4 3 5 X 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 3 3 3 4 3 5 6 1 6 2 6 3 6 4 X X 6 1 6 2 6 3 6 4 D 2 6 D 2 4 i n c A 1 2 A 1 1 A 1 0 A 9 A 8 A 7 A 6 A 5 A 4 A 3 A 2 A 1 A 0 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 SCK (active high) SI X Instruction Address X SO d e c A 1 3 ... X ... Z SCK (active low) SCS# ... X 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 X 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 X X i n c A 1 2 A 1 1 A 1 0 A 9 A 8 A 7 A 6 A 5 A 4 A 3 A 2 A 1 A 0 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 ... D 7 D 6 D 5 D 2 6 D 2 4 ... D 7 D 6 D 5 D 2 6 D 2 4 Z X X ... ... x x x x x x x x 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 Dummy x x x x x x x x Dummy 2 5 2 6 2 7 2 8 2 9 3 0 3 1 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 2 3 3 3 4 3 5 3 3 3 4 3 5 00 00 1 1 10 D 2 5 D 2 5 D 2 5 Data 1... Data m Data m+1... Data n ... SQI Fast Read Single Register SCK (active high) SIO[3:0] X Inst Address H 1 Data H 0 SQI Fast Read Multiple Registers H 0 L 0 H 1 X SCK (active low) SCS# X 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 X 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 X X L 2 L 3 L 1 L 0 1 7 1 8 1 9 2 0 1 7 1 8 1 9 2 0 SCK (active high) X ... SCK (active low) SCS# ... X X X X ... ... X ... Data 1... Data m Data n x x x x x x Dummy SIO[3:0] 0 B L 1 H 2 H 3 Inst Address H 1 H 0 H 0 L 0 H 1 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 L 1 L 0 x x x x x x Dummy 0 B 1 5 Data m+1... L 2 L 3 H 3 H 0 L 0 H 1 L 2 L 3 H 3 ... |
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