1 Hardware Overview
1B1.2 System Unit Components
12 Satellite/Satellite
Pro/C650D/C655D Maintenance Manual
y
Integrated 2 WRMS (per channel) class-D stereo speaker amplifier with Spread
Spectrum and 10-kV ESD withstand capability
y
Digital Microphone interface with internal MIC boost supporting up to two multiplexed
digital element array microphones
y
Internal microphone boost
−
Digital: 0, 12, 24, 36, 48 dB
−
Analog: 0, 10, 20, 30, 40 dB
y
Independent sampling rate for DAC and ADC; supports audio formats ranging from 16-
bit, 44.1 kHz to 24-bit, 192 kHz
y
Pop Shield: pops and clicks reduction circuitry, including class-D speaker outputs
y
Jack sense detects up to four jacks using only one sense pin
y
Digital Mixer
y
Supports 32-bit/64-bit Windows OS and Linux
KBC/EC (Keyboard Controller/Embedded Controller)
A KBC Winbond W781L 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
Summary of Contents for Satellite C650D Series
Page 13: ...i Satellite Satellite Pro C650D C655D Maintenance Manual Chapter 1 Hardware Overview ...
Page 34: ......
Page 56: ...Chapter 3 Diagnostic Programs ...
Page 59: ......
Page 121: ......
Page 123: ...Chapter 4 Replacement Procedures 4 1 ...
Page 124: ...4 Replacement Procedures 4 ii Satellite Satellite Pro C650D C655D Maintenance Manual ...
Page 184: ...6000 1 次 Appendices ...