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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC312XDP512F0MPVR датащи(PDF) 1276 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 1276 Page - Freescale Semiconductor, Inc |
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1276 / 1348 page  Appendix A Electrical Characteristics MC9S12XDP512 Data Sheet, Rev. 2.21 1278 Freescale Semiconductor In Figure A-10 the timing diagram for slave mode with transmission format CPHA = 1 is depicted. Figure A-10. SPI Slave Timing (CPHA = 1) In Table A-27 the timing characteristics for slave mode are listed. Table A-27. SPI Slave Mode Timing Characteristics Num C Characteristic Symbol Min Typ Max Unit 1 D SCK frequency fsck DC — 1 /4fbus 1 D SCK period tsck 4— ∞ tbus 2 D Enable lead time tlead 4— — tbus 3 D Enable lag time tlag 4— — tbus 4 D Clock (SCK) high or low time twsck 4— — tbus 5 D Data setup time (inputs) tsu 8— — ns 6 D Data hold time (inputs) thi 8— — ns 7 D Slave access time (time to data active) ta — — 20 ns 8 D Slave MISO disable time tdis — — 22 ns 9 D Data valid after SCK edge tvsck — — 29 + 0.5 ⋅ tbus1 1 0.5 t bus added due to internal synchronization delay ns 10 D Data valid after SS fall tvss — — 29 + 0.5 ⋅ tbus1 ns 11 D Data hold time (outputs) tho 20 — — ns 12 D Rise and fall time inputs trfi —— 8 ns 13 D Rise and fall time outputs trfo —— 8 ns SCK (Input) SCK (Input) MOSI (Input) MISO (Output) 1 5 6 MSB IN Bit 6 . . . 1 LSB IN MSB OUT Slave LSB OUT Bit 6 . . . 1 4 4 9 12 13 11 (CPOL = 0) (CPOL = 1) SS (Input) 2 12 13 3 NOTE: Not defined Slave 7 8 See Note |
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