Maxim M30B Spezifikationen Seite 21

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_________________________________________________________________________________________________
DS33M33DK
Rev: 102108 21 of 21
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses
are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
©
2008 Maxim Integrated Products
15. Schematics
The DS33M33DK schematics are featured in the following pages. The schematic contains five hierarchal blocks:
Microcontroller, DS3154, Ethernet PHY, Ethernet Test Points, and Overhead CPLD.
All signals inside a hierarchy block are local, with exception for V
CC
and ground. In-port and out-port connectors are
used to allow signals inside a hierarchy block to become accessible as pins on the hierarchy blocks symbol. From
here blocks are wired together as if they were ordinary components.
Figure 15-1 shows the system diagram in
terms of hierarchal blocks with schematic page numbers given for each functional block.
Figure 15-1. DS33M33 PCB Layout and Schematic Hierarchy Block Page Listing
µP BLOCK
PAGE 1 SYMBOL
SCHEMATIC
PAGES 13-18
DS3154 LIU BLOCK
PAGE 9 SYMBOL
SCHEMATIC
PAGES 20-22
OVERHEAD CPLD
PAGE 10 SYMBOL
SCHEMATIC
PAGES 23-24
DS33M33
SCHEMATIC
PAGES 1-10
POWER SUPPLY
SCHEMATIC
PAGES 11-12
ETHERNET PHY
PAGE 6 SYMBOL
SCHEMATIC
PAGES 19, 25-26
SONET SFP
PAGES 4-5
LIU TEST
POINTS
PAGE 9
DDR
PAGE 7
CLOCKS AND CONFIGURATION
PAGES 6,8
is a registered trademark of Maxim Integrated Products.
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