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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LC823450 датащи(PDF) 29 Page - ON Semiconductor |
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LC823450 датащи(HTML) 29 Page - ON Semiconductor |
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29 / 112 page  LC823450 www.onsemi.com 29 Boot Mode Boot modes available depend on BMODE[1:0] port status. Table 11. BOOT MODE IPL Mode BMODE1 BMODE0 Explanation Physical Boot USB PD 470 k W PD 470 k W Internal ROM boot(eMMC Physical Boot with USB download – SD card I/F Ch0 + USB Device + EXTINT2E + EXTINT2F) By using Boot operation mode of eMMC, load IPL2(program) from eMMC connected to SD0 to internal SRAM and jump to IPL2. IPL2 is written through USB. Physical Boot SD PD 470 k W PU 470 k W Internal ROM boot (eMMC Physical Boot with SD Ch1 download – SD card I/F Ch0 + SD card I/F Ch1 + EXTINT2E + EXTINT2F) By using Boot operation mode of eMMC, load IPL2(program) from eMMC connected to SD0 to internal SRAM and jump to IPL2. IPL2 is written through SD1. User Area Boot USB PD 1 k W PU or PD 470 k W Internal ROM boot(User Area Boot with USB download – SD card I/F Ch0 + USB Device + EXTINT2E + EXTINT2F) Load IPL2(program) from user area of eMMC connected to SD0 to internal SRAM and jump to IPL2. IPL2 is written through USB. User Area Boot SD PU 470 k W PD 1 k W Internal ROM boot(User Area Boot with SD Ch1 download – SD card I/F Ch0 + SD card I/F Ch1 + EXTINT2E + EXTINT2F) Load IPL2(program) from user area of eMMC connected to SD0 to internal SRAM and jump to IPL2. IPL2 is written through SD1. SPI Boot USB PU 470 k W PU 470 k W Internal ROM boot(external Serial Flash SPI Boot with USB down- load – S−Flash I/F + USB Device + EXTINT2E + EXTINT2F + TI- OCB01) Load IPL2(program) from Serial Flash connected to S−Flash I/F to internal SRAM and jump to IPL2. IPL2 is written through USB. SPI Boot SD PD 470 k W PU 1 k W Internal ROM boot(external Serial Flash SPI Boot with SD Ch1 download − S−Flash I/F + SD card I/F Ch1 + EXTINT2E + EXTINT2F + TIOCB01) Load IPL2 (program) from Serial Flash connected to S−Flash I/F to internal SRAM and jump to IPL2. IPL2 is written through SD1. QSPI Boot USB PU 1 k W PU 470 k W Internal ROM boot (external Serial Flash QSPI Boot with USB download – S−Flash I/F(QSPI) + USB Device + EXTINT2E + EXTINT2F + TIOCB01) Fetch IPL2 (program) from Serial Flash connected to S−Flash I/F. IPL2 is written by using DO command directly through USB. QSPI Boot SD PU 1 k W PD 470 k W Internal ROM boot (external Serial Flash QSPI Boot with SD Ch1 download – S−Flash I/F(QSPI) + SD card I/F Ch1 + EXTINT2E + EXTINT2F + TIOCB01) Fetch IPL2 (program) from Serial Flash connected to S−Flash I/F. IPL2 is written through SD1. User Area Delete PD 1 k W PU 1 k W Internal ROM boot (User Area IPL2 delete – SD card I/F Ch0 + EXTINT2E + EXTINT2F) After deleting IPL2 by using this mode, IPL2 can be written again while User Area Boot mode. |
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