Toshiba PSLCAX/PSLCBX, SATEGO L300D, EQUIUM L300D manual 2SystemUnitComponents1HardwareOverview

1.2￿System￿Unit￿Components￿1￿Hardware￿Overview￿

￿￿ 4￿ GPIOs￿ (GPIO0/GPIO3￿ are￿ digital￿ GPIO￿ shared￿ with￿ digital￿ MIC￿ interface,￿ GPIO1/GPIO2￿are￿analog)￿for￿customized￿applications￿

￿￿ High￿quality￿analog￿differential￿CD￿input￿

￿￿ 2￿jack￿detection￿pins￿each￿designed￿to￿detect￿up￿to￿4￿jacks￿

￿￿ Supports￿hardware￿digital￿volume￿control￿for￿digital￿microphone￿input￿ ￿￿ Supports￿external￿PCBEEP￿input￿and￿built-in￿digital￿BEEP￿generator￿

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￿￿ KBC/EC￿(Keyboard￿Controller/Embedded￿Controller)￿ A￿KBC￿WINBOND￿WPCE775L￿chip￿is￿used￿to￿serve￿as￿KBC/EC￿and￿Super￿IO:￿

￿￿ KBC￿

−￿ Scan￿controller￿function￿

−￿ Interface￿controller￿function￿

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￿￿ 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￿

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￿￿ Battery￿EEPROM￿

￿￿ 24C02￿equivalent￿(128￿words￿x￿16￿bits,￿I2C￿interface)￿integrated￿in￿battery￿pack￿

−￿ Storing￿records￿of￿battery￿use￿

￿

￿￿ Clock￿Generator￿

￿￿ Realtek￿RTM880T-797￿

−￿ Generating￿the￿clock￿signal￿required￿for￿the￿system￿

￿

￿￿ Modem￿Controller￿

Built-in￿MDC￿card￿with￿Askey￿/￿Foxconn￿/￿Lite-On.￿￿Functions￿of￿modem￿controller:￿￿￿ Digital￿signal￿conductor￿protection￿

Satellite￿L300D/L305D/Satellite￿Pro￿L300D/EQUIUM￿L300D/SATEGO￿L300D￿￿￿￿￿Maintenance￿Manual￿ 15￿