Major Chips Description 2-49
•
The Bidirectional Parallel Port:
•
Enhanced Parallel Port(EPP) compatible
•
Extended Capabilities Port(ECP) compatible, including level 2 support
•
Bidirectional under either software or hardware control
•
Compatible with ISA, and EISA, architectures
•
Ability to multiplex FDC signals on parallel port pins allows use of an external Floppy Disk
Drive(FDD)
•
Includes protection circuit to prevent damage to the parallel port when a connected printer is
powered up or is operated at a higher voltage
•
The UARTs:
•
Software compatible with the PC16550A and PC16450
•
MIDI baud rate support
•
Infrared support on UART2 (IrDA 1.0 SIR, IrDA 1.1 MIR and FIR, and Sharp SIR)
•
The Address Decoder
•
6 bit or 10 bit decoding
•
External Chip Select capability when 10 bit decoding
•
Full relocation capability(No limitation)
•
Enhanced Power Management
•
Special configuration registers for power-down
•
Enhanced programmable power-down FDC command
•
Auto power-down and wake-up modes
•
2 special pins for power management
•
Typical current consumption during power-down is less than 10 uA
•
Reduced pin leakage current
•
Voltage support
•
3.3/5V operation
•
The General Purpose Pins:
•
1 pin, for 2 separate programmable chip select decoders, can be programmed for game port
control
•
Plug and Play Compatible:
•
16 bit addressing(full programmable)
•
10 selectable IRQs
•
4 selectable DMA Channels
•
3 SIRQ Inputs allows external devices to mapping IRQs
•
100-Pin TQFP package - PC97338VJG