w83l950d Winbond Electronics Corp America, w83l950d Datasheet - Page 10
w83l950d
Manufacturer Part Number
w83l950d
Description
Peripheral Personal Computer Keyboard Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83L950D.pdf
(105 pages)
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1.
The Winbond mobile keyboard and embedded controller W83L950D architecture consists of a
Turbo-51 core logic controller and surrounded by various components, 2K+256 bytes of RAM, 40K
on-chip MTP-ROM, ISA or LPC host interface, 9 general purpose I/O port with 13 external interrupt
source, 4 timers, 2 serial port, 2 SMBus interface for master and slave, 3 PS2 port, two 8-bits and two
16-bits PWM channels, 2 D-A and 8 A-D converters.
2.
Pin out
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Core logic
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SMBus
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Timers
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PWM
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ADC
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Pin–to-Pin compatible with Mitsubishi M3886 family (ISA mode)
Turbo 8052 microprocessor based
256 bytes internal RAM
40K bytes embedded programmable flash memory
2K bytes external SRAM
Host interface -
Software optional with ISA or LPC interface
Primary programmable I/O address communication port in LPC mode
Support either Parallel IRQ in ISA or SERIRQ in LPC interface
Hardware Fast Gate A20 and KBRST support
Port 92h support
Support 2 SMBus interface for master and slave.
Support 4 Timer signal with 3 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 4 control modes, free running, pulse •
output, event counter and pulse width measurement.
Support 4 PWM channels
− PWM 0 and 1 (channel 00/01 or 10/11) are 14bits and worked at fixed frequency 15.6 KHz
− PWM 2 and 3 are16 bits and programmable frequency from 122 Hz to 16 MHz.
Support 2 DA output and 8 AD input
GENERAL DESCRIPTION
FEATURES
- 1 -
Publication Release Date: June 23, 2003
W83L950D
Revision 1.0
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