Features: `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
`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
`SMBus
Support 2 SMBus Interface support Master Mode.
`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
`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
`Fan Tachometer
Support two Fan Tachometer Inputs
`A/D Converter
Firmware Programmable Optional with 10-bite or 8-bit Resolution
Support Eight Channels
`D/A Converter
8-bit Resolution Support Two Channels
`PS2
Support Three Hardware PS2 Channels Optional PS2 Clock Inhibit by Hardware or Firmware
`Keyboard Controller
Support 16*8 Keyboard Matrix-scan, Expanding to 18*8 and 20*8
`GPIO
Support 104 Useful GPIO Pins Totally and Bitaddressable to Facility Firmware Coding
`FLASH
Support External On-Board 64K Flash via Matrix Interface (GP0, 1, 3)
`CIR
Support Decoding for the NEC Consumer IR Remote Control Format
`RTC
Real Time Clock Generator with 32.768 KHz Input
`ACPI
Support ACPI Appliance Secondary Programmable I/O Address Communication Port in LPC Mode
`Package
-Pin QFP and 128-Pin LQFP Leadfree Package Options, in compliance with the RoHS (Restriction on Hazardous Substances)
Pinout
Specifications
|
PARAMETER |
RATING |
RATING UNIT |
|
Power Supply Voltage |
-0.5 to +4.6 |
V |
|
Input Voltage |
3.3 ± 10% |
V |
|
Operating Temperature |
0 to +70 |
|
|
Storage Temperature |
-55 to +125 |
|
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.DescriptionThe Winbond mobile keyboard and embedded controller W83L951DG/FG architecture consists of a Turbo-8051 core logic controller and surrounded by various components, 2K+256 bytes of RAM, 64K on-chip FLASH, LPC host interface, 13 general purpose I/O port with 24 external interrupt source, 4 timers, 1 serial port, 2 SMBus interface for master mode, 3 PS/2 port, 2 PWM channels with 8-bits and 2 PWM channels with 16-bits, 2 D-A and 8 A-D converters, 1 Consumer Infrared Communications Receiver, 2 Fan Tachometer , 1 Real Time Clock Generator, and Matrix Interface. The part number with an affix of "G" is the Lead-free package product.
W83L951FG Data Sheet
