Chapter 2 Product Overview
10 Reference Manual CoreModule 420
Major Integrated Circuits (ICs)Table 2-1 lists the major integrated circuits, including a brief description of each, on the
CoreModule 420 and Figure 2-3 shows the location of the major chips.
Table 2-1. Major Integrated Circuit Descriptions and Function
Chip Type Mfg. Model Description Function
CPU (U14) STMicro-
electronics STPC
ATLAS Embedded CPU – The combination of
features in the CPU provide more than
just a processor. It also provides a
graphics controller, PCI controller,
EIDE controller, I/O features, and
power management capabilities.
Embedded
CPU
Super I/O
Controller (U13) Standard
Microsystems
Corp.
FDC37B782 Super I/O – This chip provides serial
and Floppy controllers Floppy/Serial
Controllers
Ethernet
Controller (U15) Intel 82551ER Ethernet – This chip provides the
10/100BaseT Ethernet function. Ethernet
U5
J3
JP2
J4
U6
U15
U16
D1 D2
U14
U8
U7 U9 U10
J8
JP7
JP8
JP9
JP6
U36
U35
U3
U40
U41
U11
L5
J2
P1
J7
J10
J11
J9
U12
D8
U13
J13
J14
J5
JP4JP5
9
10
10
2
4
3
1
1
2
1
2
JP1
Flash
Memory (U6)
Ethernet
Controller (U15)
Super I/O (U13)
CPU (U14)
SDRAM
Memory
(U7-U10)
Ethernet
Magnetics (U16)
CM420RFM_01a
Figure 2-3. CoreModule 420 (Top View)
NOTE Pin 1 is shown as black square or ro und black pin in
connectors and jumpers in all illustrations.