Ampro Corporation 5001692A manual Major Integrated Circuits ICs, Stpc, Atlas

Chapter 2 Product Overview

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-	STPC	Embedded CPU – The combination of	Embedded
	electronics	ATLAS	features in the CPU provide more than	CPU
			just a processor. It also provides a
			graphics controller, PCI controller,
			EIDE controller, I/O features, and
			power management capabilities.
Super I/O	Standard	FDC37B782	Super I/O – This chip provides serial	Floppy/Serial
Controller (U13)	Microsystems		and Floppy controllers	Controllers
	Corp.
Ethernet	Intel	82551ER	Ethernet – This chip provides the	Ethernet
Controller (U15)			10/100BaseT Ethernet function.

CPU (U14)

J9

J11

2

1

JP6	9	J14
	10	10

D8JP7

U12	L5		U3
	JP9
		JP8
	U11	U7	U8

	J5	JP1
4	2	J3
3	1
J13 JP5	JP4

U36	U35
	1	J4
	2J8
U9	U10	U6

Flash Memory (U6)

Super I/O (U13)

U40 U41

U13

J10

	U5
D1	D2

U14 U15 J2

SDRAM Memory (U7-U10)

Ethernet

U16

J7 P1 JP2

Figure 2-3. CoreModule 420 (Top View)

Controller (U15)

Ethernet Magnetics (U16)

CM420RFM_01a

NOTE	Pin 1 is shown as black square or round black pin in
	connectors and jumpers in all illustrations.

10 Reference Manual CoreModule 420