EVAL6480H

Board description

Doc ID 023675 Rev 1

3/12

Table 2.

Jumper and connector description

Name

Type

Function

J5

Power supply

Main supply voltage

J7

Power output

Power bridge A outputs

J8

Power output

Power bridge B outputs

J6

Power supply

Integrated voltage regulator inputs

J3

SPI

Master SPI connector

J4

SPI

Slave SPI connector

JP1

Jumper

VS to VSREG jumper

JP2

Jumper

VSREG to VCC jumper

JP3

Jumper

VCC to VCCREG jumper

JP4

Jumper

VCCREG to VREG jumper

JP5

Jumper

VREG to VDD jumper

JP6

Jumper

VDD to 3.3 V from SPI connector jump

JP7

Jumper

Daisy chain termination jumper

JP8

Jumper

STBY to VS pull-up jumper

TP8 (BUSY/SYNC)

Jumper

BUSY/SYNC output test point

Table 3.

Master SPI connector pinout (J3)

Pin number

Type

Description

1

Open drain output

L6480 BUSY output

2

Open drain output

L6480 FLAG output

3

Ground

Ground

4

Supply

EXT_VDD (can be used as external logic power supply)

5

Digital output

SPI master IN slave OUT signal (connected to the L6480 SDO

output through daisy chain termination jumper JP7)

6

Digital input

SPI serial clock signal (connected to L6480 CK input)

7

Digital input

SPI master Out slave IN signal (connected to L6480 SDI

input)

8

Digital input

SPI slave select signal (connected to L6480 CS input)

9

Digital input

L6480 step-clock input

10

Digital input

L6480 standby/reset input

Table 4.

Slave SPI connector pinout (J4)

Pin number

Type

Description

1

Open drain output

L6480 BUSY output

2

Open drain output

L6480 FLAG output