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ISP: Mean in system programming
Mode Select | IV_MX[6] | IV_MX[5] | IV_MX[4] | IV_MX[3] | IV_MX[2] | IV_MX[1] | Auto Scan (SPI_NOR_X1) uart-> spi-nor-> spi-nand-> eMMC-> uart…..loop | 1 | 0 | 1 | 0 | 1 | - | SPI-NAND | 0 | 1 | 0MX[0] |
EMMC_boot | 1 | 1 | 1 | 1 | 1 | - | - | ||||||||||
- | 1 | 1 | 1 | 0 | 1 | -eMMC | - | ||||||||||
- | 1 | 1 | 0 | 1 | 1 | - | - | ||||||||||
EXT. _BOOT | 1 | 1 | 0 | 0 | 1 | -ISP | - | ||||||||||
USB_ISP (only usb port0) | 1 | 0 | 1 | 1 | 1 | - | - | ||||||||||
Auto Scan Boot by CA7 uart-> spi-nor-> eMMC ->spi-nand-> SDCard-> uart…..loop | 1 | 0 | 1 | 0 | 1 | - | - | ||||||||||
- | 1 | 0 | 0 | 1 | 1 | - | - | ||||||||||
SPI-NOR_BOOT | 1 | 0 | 0 | 0 | 1 | - | - | ||||||||||
UART_ISP | 0 | 1 | 1 | 1 | 1 | - | - | ||||||||||
- | 0 | 1 | 1 | 0 | 1 | - | - | ||||||||||
- | 0 | 1 | 0 | 1 | 1 | - | - | ||||||||||
SPI-NAND_BOOT | 0 | 1 | 0 | 0 | 1 | - | - | ||||||||||
SDCARD_ISP | 0 | 0 | 1 | 1 | 1 | - | - | ||||||||||
- | 0 | 0 | 1 | 0 | 1 | - | - | ||||||||||
- | 0 | 0 | 0 | 1 | 1 | - | - | ||||||||||
Auto Scan Boot by A926 uart-> spi-nor-> eMMC ->spi-nand-> SDCard-> uart…..loop | 0 | 0 | 0 | 0 | 1 | - | - |
Table 4. Bootstrap mode select
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