REMAP=ROM, BOOT_MODE=ISP
system mode and address remap register
| REMAP | software remap system address 0 (ROM): address 0 is mapped to ROM 1 (FLASH): address 0 is mapped to FLASH 2 (RAM): address 0 is mapped to RAM |
| LOCKUP_EN | lock up enable |
| XTAL_RDY | 16/32 MHz xtal ready readout |
| XTAL32K_RDY | 32KHz xtal ready readout |
| PLL48M_RDY | 48MHz PLL ready readout |
| OSC32M_RDY | 32MHz oscillator ready readout |
| BG_RDY | BG ready readout |
| BOOT_MODE | boot mode pin status 0 (ISP): when BOOT_MODE pin is 0, bootloader enter ISP 1 (NORMAL): when BOOT_MODE pin is 1, bootloader jump to flash without ISP |