KB3930 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

KB3930

Keyboard Controller

Unspecified 

KB3930 Keyboard Controller Datasheet

1. GENERAL DESCRIPTION ..................................................................................0

1.1 OVERVIEW........................................................................................................0

1.2 FEATURES ........................................................................................................1

1.3 COMPARISON (KB3926D VS. KB3930)..............................................................6

1.4 BLOCK DIAGRAM ..............................................................................................7

2. PIN ASSIGNMENT AND DESCRIPTION ............................................................8

2.1 KB3930 128-PIN LQFP DIAGRAM TOP VIEW .....................................................8

2.2 KB3930 128 LFBGA BALL MAP ......................................................................9

2.3 KB3930 PIN ASSIGNMENT SIDE A ...................................................................10

2.4 KB3930 PIN ASSIGNMENT SIDE B ................................................................... 11

2.5 KB3930 PIN ASSIGNMENT SIDE C ...................................................................12

2.6 KB3930 PIN ASSIGNMENT SIDE D ...................................................................13

2.7 I/O CELL DESCRIPTIONS..................................................................................14

2.7.1 I/O Buffer Table.....................................................................................14

2.7.2 I/O Buffer Characteristic Table ............................................................14

3. PIN DESCRIPTIONS .........................................................................................15

3.1 HARDWARE TRAP ...........................................................................................15

3.2 PIN DESCRIPTIONS BY FUNCTIONS ...................................................................16

3.2.1 Low Pin Count I/F Descriptions. .........................................................16

3.2.2 SPI Flash I/F Descriptions ...................................................................16

3.2.3 PS/2 I/F Descriptions............................................................................16

3.2.4 Internal Keyboard Encoder (IKB) Descriptions .................................17

3.2.5 SMBus Descriptions ............................................................................17

3.2.6 FAN Descriptions .................................................................................17

3.2.7 Pulse Width Modulation (PWM) Descriptions ....................................17

3.2.8 Analog-to-Digital Converter Descriptions ..........................................17

3.2.9 Digital-to-Analog Converter Descriptions..........................................18

3.2.10 8051 External I/F Descriptions ..........................................................18

3.2.11 External Clock Descriptions..............................................................18

3.2.12 Miscellaneous Signals Descriptions ................................................18

3.2.13 Voltage Comparator Pins Descriptions ............................................19

3.2.14 Power Pins Descriptions ...................................................................19

4. MODULE DESCRIPTIONS................................................................................20

4.1 CHIP ARCHITECTURE.......................................................................................20

4.1.1 Power Planes........................................................................................20

4.1.2 Clock Domains .....................................................................................21

Copyright©2010, ENE Technology Inc.

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