SSC050-01 datasheet(2/79 Pages) MAXIM

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Contents

SSC050-01

Data Sheet

Revision 4.0

November 10, 2004

Revision History

Chapter 1

Introduction....................................................................................... 1-1

Feature Summary ..............................................................................................................1-2

Typical Applications ...........................................................................................................1-3

FC-AL Drive Enclosure Configuration .......................................................................1-3

General Purpose I/O Configuration ...........................................................................1-3

Chapter 2

Functional Description..................................................................... 2-1

Two-wire Serial Interface ...................................................................................................2-1

Control Registers ...............................................................................................................2-2

I/O Logic ............................................................................................................................2-3

Clock Generator ................................................................................................................2-3

Power-On Reset ................................................................................................................2-3

Chapter 3

Pin Description ................................................................................. 3-1

Functional Signal Grouping ...............................................................................................3-1

Pinout Diagram ..................................................................................................................3-2

Pin Description List ............................................................................................................3-3

Chapter 4

Control Registers ............................................................................. 4-1

Register Map .....................................................................................................................4-1

Address Map .....................................................................................................................4-4

Control Register Definition ................................................................................................4-6

00h: General Purpose I/O Port 0 Data (GPD0) .........................................................4-6

01h: General Purpose I/O Port 1 Data (GPD1) .........................................................4-7

02h: General Purpose I/O Port 2 Data (GPD2) .........................................................4-7

03h: General Purpose I/O Port 3 Data (GPD3) .........................................................4-8

04h: General Purpose I/O Port 4 Data (GPD4) .........................................................4-8

10h: I/O Port 0 Data Direction (DDP0) ......................................................................4-9

11h: I/O Port 1 Data Direction (DDP1) ......................................................................4-9

12h: I/O Port 2 Data Direction (DDP2) ....................................................................4-10

13h: I/O Port 3 Data Direction (DDP3) ....................................................................4-10

14h: I/O Port 4 Data Direction (DDP4) ....................................................................4-11

20h: Port Bypass Control 0 (PBC0) .......................................................................4-12

21h: Port Bypass Control 1 (PBC1) .......................................................................4-13

22h: Port Bypass Control 2 (PBC2) .......................................................................4-14

23h: Port Bypass Control 3 (PBC3) .......................................................................4-15

24h: Port Bypass Control 4 (PBC4) .......................................................................4-16

25h: Port Bypass Control 5 (PBC5) .......................................................................4-17

Contents

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