STR710-EVAL datasheet(12/27 Pages) STMICROELECTRONICS

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

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

(SW15)

Boot1

(SW13)

Boot0

(SW14)

Mode

Boot memory

mapping

Notes

1-2

any

USER

flash mapped

at 0h

System executes

code from flash

2-3

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

1-2

RAM

RAM mapped

at 0h

System executes

code from internal

RAM

For Lab development

2-3

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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