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10006757-02 PmPPC7448 User’s Manual
10-1
Section 10
Development Mezzanine Card
The Development Mezzanine Card (DMC) is an optional plug-on card mounted on the back
of the PmPPC7448 board to expedite product development. This chapter describes the
physical layout of the DMC, the setup process, and how to check for proper operation once
the board has been installed. The DMC facilitates hardware and software development by
providing:
• Four LEDs for software development (connected to the MV64460 MPP pins)
• An EIA-232 debug serial port (mini-USB connector) with cable to DB-9 connectors
• JTAG/COP header for software development
• JTAG header for CPLD programming
• A 32-pin, PLCC 8-bit ROM socket for software development
• Four software-readable jumpers for development use
DMC CIRCUIT BOARD
The DMC is a custom four-layer circuit board. It has the following physical dimensions.
Table 10-1: DMC Mechanical Specifications
Width: Depth: Height (top side): Height (bottom side):
2.913 in.
(74.0 mm)
2.100 in.
(53.3 mm)
0.323 in.
(8.2 mm)
0.007 in.
(1.9 mm)