Contents

Section number

Title

Page

Chapter 1

Overview

1.1

Introduction.....................................................................................................................................................................5

1.2

Related documentation....................................................................................................................................................5

1.3

Acronyms and abbreviations...........................................................................................................................................6

1.4

FRWY-LS1012A features.............................................................................................................................................. 7

1.5

FRWY-LS1012A block diagram.................................................................................................................................... 8

1.6

FRWY-LS1012A board interface................................................................................................................................... 9

Chapter 2

FRWY-LS1012A Functional Description

2.1

Processor......................................................................................................................................................................... 13

2.2

Power supplies................................................................................................................................................................ 13

2.2.1

Primary power supply........................................................................................................................................ 14

2.2.2

FRWY-LS1012A power supply delivery system.............................................................................................. 15

2.2.3

Power-ON.......................................................................................................................................................... 16

2.2.4

Voltage regulation..............................................................................................................................................16

2.3

Reset and configuration signals...................................................................................................................................... 17

2.4

Clocks............................................................................................................................................................................. 19

2.5

Double data rate (DDR) memory....................................................................................................................................20

2.6

Serializer/deserializer (SerDes)...................................................................................................................................... 20

2.7

Ethernet controller.......................................................................................................................................................... 21

2.7.1

SGMII ports....................................................................................................................................................... 21

2.8

M.2 Type-E NGFF slot...................................................................................................................................................24

2.9

Audio interface................................................................................................................................................................24

2.10 USB interface .................................................................................................................................................................25

2.11 I2C ports..........................................................................................................................................................................25

2.11.1 I2C devices and addresses..................................................................................................................................26

2.12 QSPI interface.................................................................................................................................................................26

Layerscape LS1012A Freeway (FRWY-LS1012A) Board Reference Manual, Rev. 0, 04/2018

NXP Semiconductors

3