W83176R-400/W83176G-400

CURRENT MODE DIFFERENTIAL BUFFER FOR PCI EXPRESS AND SATA

- II -

Table of Content-

1.

GENERAL DESCRIPTION ......................................................................................................... 1

2.

PRODUCT FEATURES .............................................................................................................. 1

3.

PIN CONFIGURATION ...............................................................................................................1

4.

BLOCK DIAGRAM ...................................................................................................................... 2

5.

PIN DESCRIPTION..................................................................................................................... 3

5.1

Clock Outputs ..............................................................................................................................3

5.2

Power Pins...................................................................................................................................3

6.

I

6.1

Register 0: Control Register (Default: 07h) ................................................................................4

6.2

Register 1: Control Register (Default: FFh) ................................................................................4

6.3

Register 2: Control Register (Default: 00h) ................................................................................4

6.4

Register 3: Reserved Register (Default: 00h) ............................................................................5

6.5

Register 4: Winbond Chip ID – Project Code Register (Default: 11h).......................................5

6.6

Register 5: Test Register (Default: 00h) .....................................................................................5

7.

ACCESS INTERFACE ................................................................................................................6

7.1

Block Write protocol.....................................................................................................................6

7.2

Block Read protocol ....................................................................................................................6

7.3

Byte Write protocol ......................................................................................................................6

7.4

Byte Read protocol......................................................................................................................6

8.

ORDERING INFORMATION....................................................................................................... 7

9.

HOW TO READ THE TOP MARKING........................................................................................ 7

10.

PACKAGE DRAWING AND DIMENSIONS................................................................................ 8