STR720-EVAL datasheet(11/32 Pages) STMICROELECTRONICS

11 / 32 page

STR720-EVAL

2 Hardware

10/31

Status LEDs

2.13

Push buttons

2.14

Option jumper placement

Jumpers are fitted as shown in

Figure 4, the position of the jumbers on the board are shown in

Figure 5 on page 11.

Table 4.

Status LEDs

LED

Description

Schematic

Color

LD1

+5 V

Section 4.2 on page 19

Red

LD2

+3.3 V

Section 4.2 on page 19

Red

LD3

ATAPI HDD

Section 4.5 on page 22

Yellow

LD4

reset indicator

Section 4.1 on page 18

Red/green

LD18

USB indicator

Section 4.9 on page 26

Yellow

Table 5.

Status push buttons

Button

Connected to

Schematic

Board reset SW1

power on reset

Section 4.8 on page 25

Previous SW8

P3.10_EINT2

Section 4.1 on page 18

Next SW9

P3.8_EINT0

Section 4.1 on page 18

Select SW10

P3.9_EINT1

Section 4.1 on page 18

RTC reset SW11

not RTC_reset

Section 4.1 on page 18

Figure 4.

Jumper positions

Table 6.

Option jumpers

Jumper

Figure

Description

Default

Section 4.8 on page 25

notRST to notJTRST connect: fitted = enabled,

not fitted = disabled

Fitted

Section 4.10 on page 27

CAN loopback link: not fitted / fitted (default)

Not fitted

Do not fit

Fitted

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