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Chapter 2 Product Overview
CoreModule 420 Reference Manual 9
Block Diagram
Figure 2-2 shows the functional components of the module.
Speaker
STPC
Atlas
(Computer
in a Chip)
GPIOs (8)
IDE Devices
(
)
HDD, CompactFlash,
CD-ROM, etc.
Ethernet
Controller
Memory
(SDRAM)
CPU
Core
Host-
Peripheral
Interface
Super I/O
Controller
Floppy Drive
BIOS
Internal PCI
Bus
Parallel Port
PC/104 Interface
DiskOnChip
ISA Bus
Utility Interface
(Keyboard, Mouse,
External Bat. etc)
Video (CRT/TFT)
RTC
Serial Ports
(Serial 3 & 4)
Serial Ports
(Serial 1 & 2)
USB Port
I C Interface
2
CM420blkdiag
Figure 2-2. CoreModule 420 Block Diagram