1.2 System Unit Components 1 Hardware Overview
Satellite/Satellite Pro/L630/L635 Maintenance Manual 15
y Digital microphone interface with internal MIC boost supporting
y Jack sense detects up to 4 jacks using only one sense pin
y Digital Mixer
y +3.3V analog and I/O operation; uses Vaux for power management modes
y Audio Director for Headphone and Internal Speakers Redirection
y Smart Audio GUI - advanced audio control
KBC/EC (Keyboard Controller/Embedded Controller)
A KBC WINBOND NPCE781LA0DX chip is used to serve as KBC/EC and Super IO:
y KBC
− Scan controller function
− Interface controller function
y EC
− Power supply sequence control
− Overheat shutdown support
− LED control
− Beep control
− Device ON/OFF
− Cooling fan speed control
− Universal I/O port
− Battery capacity check
− Flash memory reprogramming function
− EC access interface
− I2C communication control
Battery EEPROM
y 24C02 equivalent (128 words x 16 bits, I2C interface) integrated in battery pack
− Storing records of battery use
Clock Generator
y ICS ICS9LPRS3197
− Generating the clock signal required for the system
LAN Controller
To Next Page
Loading...
