W83L951DG View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W83L951DG

Mobile Keyboard and Embedded Controller

Winbond 

W83L951DG/W83L951FG

2. PRODUCT FEATURES

y Core logic

8-bit Turbo 8052 Microprocessor Code based, Speed up to 24MHz

256 bytes Internal RAM

64K bytes Embedded Programmable Flash Memory

2K bytes External SRAM

y Host interface

Software Optional with LPC Interface

Primary Programmable I/O Address Communication Port in LPC Mode

Support SERIRQ in LPC Interface

Support Hardware Fast Gate A20 and KBRST

Support Port 92h

y SMBus

Support 2 SMBus Interface support Master Mode.

y Timers

Support Four Timer Signal with Three Pre-scalars

Timer 1 and 2 Shard the Same Pre-scalar and are Free-Running Only.

Timer X and Y Have Individual Pre-scalar and Support up to Four Control Modes, Free Running,

Pulse Output, Event Counter and Pulse Width Measurement

y PWM

Support Four PWM Channels

PWM 0 and 1 are 8-bits and Programmable Frequency from 62Hz to 7.5 KHz

PWM 2 and 3 are 16-bits and Programmable Frequency from 6Hz to 3MHz

y Fan Tachometer

Support two Fan Tachometer Inputs

y A/D Converter

Firmware Programmable Optional with 10-bite or 8-bit Resolution

Support Eight Channels

-2-

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