Table of Contents
Advertisement
TECHNICAL SERVICE MANUAL
1.3.11 Keyboard System: Winbond W83L950D
The Winbond Keyboard controller architecture consists of a Turbo 51 core controller surrounded by various
registers, nine general purpose I/O port, 2k+256 bytes of RAM, four timer/counters, dual serial ports, 40K MTP-
ROM that is divided into four banks, two SMBus interface for master and slave, Support 4 PWM channels, 2 D-A
and 8 A-D converters.
Features
•
8051 uC based
•
Keyboard Controller Embedded Controller
•
Supply embedded programmable flash memory (internal ROM size: 40KB) and RAM size is 2 KB.
•
Support 4 Timer (8 bit) signal with 3 prescalers.
•
Support 2 PWM channels, 2 D-A and 8 A-D converters.
•
Reduce Firmware burden by Hardware PS/2 decoding
•
Support 72 useful GPIOs totally
•
Support Flash utility for on board re-flash
•
Support ACPI
30
Prestigio Nobile 1510
Advertisement
Table of Contents
