CL-PS7110 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CL-PS7110

Low-Power System-on-a-Chip

Cirrus Logic 

CL-PS7110

Low-Power System-on-a-Chip

TABLE OF CONTENTS

LIST OF TABLES.............................................................................................. 7

LIST OF FIGURES............................................................................................ 8

CONVENTIONS ................................................................................................ 9

1. FUNCTIONAL DESCRIPTION ....................................................................... 11

1.1 Overview .............................................................................................................................. 11

1.2 General ................................................................................................................................ 12

1.2.1 Clocking............................................................................................................................ 13

1.2.2 CPU Core ......................................................................................................................... 13

1.2.3 Interrupt Controller............................................................................................................ 13

1.2.4 Memory Interface and DMA.............................................................................................. 14

1.2.5 Expansion and Memory Controller for SRAM/ROM/Flash Interface................................. 17

1.2.6 DRAM Controller .............................................................................................................. 19

1.2.7 PCMCIA Support.............................................................................................................. 19

1.2.8 Codec Interface ................................................................................................................ 21

1.2.9 Synchronous Serial Interface ........................................................................................... 21

1.2.10 LCD Controller.................................................................................................................. 21

1.2.11 Internal UART and SIR Encoder....................................................................................... 22

1.2.12 Timer Counters................................................................................................................. 23

1.2.13 Realtime Clock ................................................................................................................. 23

1.2.14 DC-to-DC Converter ......................................................................................................... 23

1.2.15 Keyboard Control.............................................................................................................. 26

1.2.16 GPIO................................................................................................................................. 26

1.2.17 Buzzer Control.................................................................................................................. 26

1.2.18 Battery Management ........................................................................................................ 27

1.2.19 State Control..................................................................................................................... 27

1.2.20 Power Management.......................................................................................................... 28

1.2.21 Software Model for Power Management........................................................................... 29

1.2.22 Resets .............................................................................................................................. 29

2. PIN INFORMATION ........................................................................................ 31

2.1 Pin Diagram ......................................................................................................................... 31

2.2 Pin Description Conventions................................................................................................ 32

2.3 Pin Descriptions................................................................................................................... 32

2.4 Pin Descriptions................................................................................................................... 35

3. PROGRAMMING INTERFACE....................................................................... 39

3.1 Memory Map........................................................................................................................ 39

3.2 Internal Registers................................................................................................................. 40

3.2.1 PADR — Port A Data Register ......................................................................................... 41

3.2.2 PBDR — Port B Data Register ......................................................................................... 41

3.2.3 PCDR — Port C Data Register......................................................................................... 42

3.2.4 PDDR — Port D Data Register......................................................................................... 42

3.2.5 PADDR — Port A Data Direction Register........................................................................ 42

3.2.6 PBDDR — Port B Data Direction Register ....................................................................... 42

3.2.7 PCDDR — Port C Data Direction Register....................................................................... 42

3.2.8 PDDDR — Port D Data Direction Register....................................................................... 42

4

TABLE OF CONTENTS

May 1997

DATA BOOK v1.5

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