1.2 SystemUnit Components 1 Hardware Overview
Satellite Pro L50-G / DynabookP* -C*
MaintenanceManual 13
− Scenario Design Power(SDP)
Card Bus Controller
REALTEK RTS5249
− Memory Card ReaderController
Audio Controller
REALTEK ALC255 integrated audio controller supportsmultimedia. The soundsystem
featurescontain thefollowing:
4-channel DAC supports16/20/24-bit PCM format for independenttwo stereochannel
or 2.1 audio playback. All DACs support 44.1k/48k/96k/192kHz samplerate.
4-channel ADC that supports 16/20/24-bit PCM format for independent two stereo
channelaudio inputs. All ADCs support 44.1K/48K/96/192KHz samplerates.
4 GPIOs for customized applications (pin-shared with digital microphone interface
andSPDIF-OUT).
Supports three jack detection pins each designed to detect up to 2 jacks, and SPDIF-
OUT jack detection.
Supports stereo digital Microphone input, and programmable boost gain and volume
control.
Intel low power DCN(HDA015-B) compliant, supports power status control jack
detection, and wake-up event in D3 mode.
KBC/EC (Keyboard Controller/EmbeddedController)
A KBC WINBOND NPCE285UA0DX chip is usedto serveasKBC/EC andSuperIO:
KBC
− Scancontroller function
− Interface controller function
EC
− Power supply sequencecontrol
− Overheat shutdown support
− LED control
− Beep control
− Device ON/OFF
− Cooling fan speedcontrol
− Universal I/O port
− Battery capacity check
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