UCD3138RHAR datasheet(2/78 Pages) TI1

2 / 78 page

UCD3138

www.ti.com

SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013

Contents

Introduction

........................................................................................................................ 6

1.1

Features

...................................................................................................................... 6

1.2

Applications

.................................................................................................................. 7

Overview

............................................................................................................................ 7

2.1

Description

................................................................................................................... 7

2.2

Ordering Information

........................................................................................................ 8

2.3

Product Selection Matrix

................................................................................................... 8

2.4

Functional Block Diagram

.................................................................................................. 9

2.5

UCD3138RGC 64 QFN – Pin Assignments

........................................................................... 10

2.6

Pin Functions (UCD3138RGC 64 QFN)

................................................................................ 10

2.7

UCD3138RHA 40 QFN – Pin Assignments

............................................................................ 12

2.8

UCD3138RMH 40 QFN With Corner Anchors – Pin Assignments

................................................. 13

2.9

Pin Functions (UCD3138RHA and UCD3138RMH)

.................................................................. 14

Electrical Specifications

..................................................................................................... 15

3.1

ABSOLUTE MAXIMUM RATINGS

...................................................................................... 15

3.2

THERMAL INFORMATION

.............................................................................................. 15

3.3

RECOMMENDED OPERATING CONDITIONS

....................................................................... 15

3.4

ELECTRICAL CHARACTERISTICS

.................................................................................... 16

3.5

PMBus/SMBus/I

2C Timing

............................................................................................... 19

3.6

Power On Reset (POR) / Brown Out Reset (BOR)

................................................................... 20

3.7

Typical Clock Gating Power Savings

................................................................................... 21

3.8

Typical Temperature Characteristics

................................................................................... 22

Functional Overview

.......................................................................................................... 23

4.1

ARM Processor

............................................................................................................ 23

4.2

Memory

..................................................................................................................... 23

4.2.1

CPU Memory Map and Interrupts

............................................................................ 23

4.2.1.1

Memory Map (After Reset Operation)

........................................................... 23

4.2.1.2

Memory Map (Normal Operation)

................................................................ 24

4.2.1.3

Memory Map (System and Peripherals Blocks)

................................................ 24

4.2.2

Boot ROM

....................................................................................................... 24

4.2.3

Customer Boot Program

....................................................................................... 25

4.2.4

Flash Management

............................................................................................. 25

4.3

System Module

............................................................................................................ 25

4.3.1

Address Decoder (DEC)

....................................................................................... 25

4.3.2

Memory Management Controller (MMC)

.................................................................... 25

4.3.3

System Management (SYS)

................................................................................... 25

4.3.4

Central Interrupt Module (CIM)

............................................................................... 26

4.4

Peripherals

................................................................................................................. 27

4.4.1

Digital Power Peripherals

...................................................................................... 27

4.4.1.1

Front End

............................................................................................ 27

4.4.1.2

DPWM Module

..................................................................................... 28

4.4.1.3

DPWM Events

...................................................................................... 29

4.4.1.4

High Resolution DPWM

........................................................................... 31

4.4.1.5

Over Sampling

...................................................................................... 31

4.4.1.6

DPWM Interrupt Generation

...................................................................... 31

4.4.1.7

DPWM Interrupt Scaling/Range

.................................................................. 31

4.5

DPWM Modes of Operation

.............................................................................................. 32

4.5.1

Normal Mode

.................................................................................................... 32

4.6

Phase Shifting

............................................................................................................. 34

4.7

DPWM Multiple Output Mode

............................................................................................ 35

4.8

DPWM Resonant Mode

.................................................................................................. 36

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