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Functional Description
5
MBX Features Description
The following topics provide detailed information about the MBX series
embedded controller and its principal components.
General Description
MBX series boards are based on the EBX (5.75" × 8") industry-standard
form factor specification. MBX boards provide single-board computer
functionality with emphasis on open communications and networking
capabilities. They offer open interfaces such as PCI, ISA, and PCMCIA in
addition to Ethernet and serial/parallel I/O. The features they incorporate
Communications I/O MPC8xx communications interface with Time Slot Allocator (TSA)
and Time Division Multiplexing (TDM) channel to support
multiplexed as well as non-multiplexed serial I/O. Serial
Communication Controllers (SCCs) 2–4, Serial Management
Controllers (SMCs) 1–2, Serial Peripheral Interface (SPI), and
Interprocessor-Integrated Controller (I
2
C) signals are available.
MPC8xx bus interface, with signals routed to same board connector as
the MPC8xx communications interface. I/O point for other MPC8xx-
type masters, and for TDM interfaces needing bus access.
Additional Features—Standard Configuration
PC/104-Plus interface Support for PC/104 (ISA) and PC/104-Plus (PCI) expansion modules
EIDE port Support for direct ribbon cable connection to 2.5-inch hard disk drive
via header on MBX board; PCI bus master capability
Serial I/O Two additional EIA-232-D serial ports
Floppy disk controller Support for direct ribbon cable connection to 2.88MB floppy disk
drive via header on MBX board
Keyboard/mouse
interface
Support for keyboard and mouse input via header on MBX board
Table 5-1. Features of the MBX Series Embedded Controller
Feature Description
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