MiTAC 8050QMA Manuel de service télécharger pdf (Page 30)

50QMA

N/B Maintenance

• Advanced power saving mode when LAN function or wakeup function is not used

• Uses 93C46 (64*16-bit EEPROM) to store resource configuration, ID parameter and VPD data

• Supports LED pins for various network activity indications

• Supports loop back capability

• Half/Full duplex capability

• Supports Full Duplex Flow Control (IEEE 802.3x)

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.

1.2.12 Keyboard System: Winbond W83L950D

• 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

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MiTAC 8050QMA Manuel de service Page 30