Specifications

Chapter 2 Product Overview

CoreModule 420 Reference Manual 7

• Compact Flash Socket

♦ Provides compact flash socket (Type I or II)

♦ Supports IDE compact flash cards

♦ Attached to Secondary IDE bus

• Floppy Disk Controller

♦ Provides shared floppy/parallel port connector

♦ Supports two floppy drives

♦ Supports all standard PC/AT formats: 360 kB, 1.2 MB, 720 kB, 1.44 MB, 2.88 MB

• Serial Ports

♦ Provides four buffered RS-232 serial ports with full handshaking and modem capability

♦ Provides 16550 (or 16540-equivalent) UARTs, each with a built-in 16-byte FIFO buffer

♦ Supports RS-232 or RS-485 operation on ports 1 and 2

♦ Supports programmable word length, stop bits, and parity

♦ Supports 16-bit programmable baud-rate generator and a interrupt generator

• Parallel Port

♦ Provides shared parallel/floppy port connector

♦ Supports standard printer port

♦ Supports IEEE standard 1284 protocols, including EPP, ECP modes

♦ Provides bidirectional data lines

♦ Supports 16 byte FIFO for ECP mode

• Ethernet Controller

♦ Intel 82559ER Controller chip

♦ Supports IEEE 802.3 10BaseT/100BaseT compatible physical layer

♦ Supports Auto-negotiation for speed, duplex mode, and flow control

♦ Supports full duplex or half-duplex mode

• Full-duplex mode supports transmit and receive frames simultaneously

• Supports IEEE 802.3x Flow control in full duplex mode

• Half-duplex mode supports enhanced proprietary collision reduction mode

• Utility Interface

♦ Keyboard and PS/2 Mouse Interface

♦ Supports external battery for Real Time Clock operation

♦ Supports standard external 8Ω speaker interface

♦ Supports external reset switch

• USB Ports

♦ Provides one root USB hub

♦ Provides one USB port

♦ Supports USB v1.1 and Universal OHCI v1.1