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STR710-EVAL データシート(PDF) 12 Page - STMicroelectronics |
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STR710-EVAL データシート(HTML) 12 Page - STMicroelectronics |
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12 / 27 page ![]() 2 Hardware STR710-EVAL 11/27 For switch position details, see Figure 3: Option jumpers, resistors and switches on page 9. SW9 Figure 11 on page 15 RS232 source select: 1 = UART1 connected to RS232-B A = UART2 connected to RS232-B 1 SW10 - Not fitted: do not fit - SW11 Figure 11 on page 15 Wake upL PTM SW12 Figure 11 on page 15 Reset PTM SW13 Figure 11 on page 15 Boot mode 1, see Table 6 on page 11.2-3 SW14 Figure 11 on page 15 Boot mode 0, see Table 6 on page 11.1-2 SW15 Figure 11 on page 15 Boot EN, see Table 6 on page 11.2-3 Table 6. Boot modes Boot EN (SW15) Boot1 B1 (SW13) Boot0 B0 (SW14) Mode Boot memory mapping Notes 1-2 any any USER flash mapped at 0h System executes code from flash 2-3 1-2 1-2 2-3 1-2 2-3 BOOT BOOTFLASH mapped at 0h System executes a “primary boot loader (ST-firmware)” from Boot-FLASH then jumps to RAM Clock FROZEN 2-3 2-3 1-2 RAM RAM mapped at 0h System executes code from internal RAM For Lab development 2-3 2-3 2-3 EXTMEM EXTMEM mapped at oh System executes code from external memory Table 5. Option switch settings Switch Schematic Description Default STR71 BOOTEN SW15 BOOT1 BOOT0 SW13 SW14 STR71 BOOTEN SW15 BOOT1 BOOT0 SW13 SW14 STR71 BOOTEN SW15 BOOT1 BOOT0 SW13 SW14 STR71 BOOTEN SW15 BOOT1 BOOT0 SW13 SW14 |
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