Texas Instruments 51X - Manual (Page 45)

4.2.6 PCMCIA Subsystem
The notebook is equipped with an on-board PCMCIA host adapter PCMCIA
Controller) and sockets to support Type I, Type II or Type III options. The
PCMCIA Controller has the following features:
•
Single-chip PCMCIA host adapters
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Direct connection to ISA (PC AT) Bus
•
Direct connection to PCMCIA 2.0 Bus
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PCMCIA 2.0- and JEIDA 4.1-compliant
•
82365SL-compatible register set, ExCA-compatible
•
Automatic Low-power Dynamic Mode for lowest power consumption
•
Programmable Suspend Mode
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Five programmable memory windows per socket
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Two I/O windows per socket
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Programmable card access cycle timing
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8- or 16-bit CPU interface
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8- or 16-bit PCMCIA interface support
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ATA disk interface support
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Automatic flash memory timing support
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Easy host interface using ISA I/O addresses 03E0h, 03E1h
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Mixed-voltage (3.3V or 5V) operation
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Dual-socket-interface, 208-pin QFP
4.2.7
Power Subsystem
The Power Subsystem consists of the following major parts:
•
Power Management (hardware and software components)
•
AC Adapter
•
Primary Battery Board
•
Primary Battery Pack
4-6 Theory of Operation