W83L951DG Datasheet, PDF (3/112 Pages) Winbond – Mobile Keyboard and Embedded Controller

W83L951DG/W83L951FG
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 1
2. PRODUCT FEATURES .............................................................................................................. 2
3. BLOCK DIAGRAM ...................................................................................................................... 4
4. PIN CONFIGURATION FOR W83L951DG/W83L951FG........................................................... 5
5. PIN DESCRIPTION..................................................................................................................... 7
5.1 Pin configuration table..............................................................................................................7
5.2 RESET# & TEST# Part..........................................................................................................15
5.3 LPC Interface Part..................................................................................................................16
5.4 GPIO0 Part .............................................................................................................................16
5.5 GPIO1 Part .............................................................................................................................18
5.6 GPIO2 Part .............................................................................................................................19
5.7 GPIO3 Part .............................................................................................................................20
5.8 GPIO4 Part .............................................................................................................................21
5.9 GPIO5 Part .............................................................................................................................22
5.10 GPIO6 Part .............................................................................................................................22
5.11 GPIO7 Part .............................................................................................................................23
5.12 GPIO8 Part .............................................................................................................................24
5.13 GPIO9 Part .............................................................................................................................25
5.14 GPIOA Part.............................................................................................................................26
5.15 GPIOB Part.............................................................................................................................26
5.16 GPIOC Part ............................................................................................................................27
5.17 Power & Clock Part ................................................................................................................28
6. FUNCTIONAL DESCRIPTION.................................................................................................. 29
6.1 Turbo 8051 Core Block ..........................................................................................................31
6.1.1 Register Description ...................................................................................................32
6.2 Low Pin Count Interface Block...............................................................................................38
6.2.1 Register Description ...................................................................................................38
6.3 Personal System 2 Block .......................................................................................................43
6.3.1 Register Description ...................................................................................................43
6.4 System Management Bus Block............................................................................................48
6.4.1 Register Description ...................................................................................................49
6.5 Internal Interrupt Controller Block ..........................................................................................53
6.5.1 Register Description ...................................................................................................54
6.6 GPIOs Block ...........................................................................................................................57
6.6.1
6.6.2
GPIO Data Register Description.................................................................................58
GPIO Direction Register Description ..........................................................................61
6.7 Watch Dog Block....................................................................................................................63
6.7.1 Register Description ...................................................................................................63
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