W83L951DG Datasheet, PDF (6/112 Pages) Winbond – Mobile Keyboard and Embedded Controller

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
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