Chapter 5
CPU, Chipset and Super I/O
Kontron User's Guide PC/104-520
13
5.
CPU, Chipset and Super I/O
5.1
CPU
The central processing unit (CPU) is part of the AMD SC520 Microcontroller with following features
Industry-standard Am5x86
®
CPU with FPU, 100 and 133 MHz operating frequencies
High performance, low-power core
On-die 16 kByte write-back cache
5.2
SC520 Microcontroller
32 bit 3.3V PCI bus (5V tolerant) Rev. 2.2 compliant
Integrated SDRAM controller supports 16-, 64-, 128- and 256-MBit RAM up to 64
MBytes
General Purpose (GP) bus with programmable timing for 8 and 16 Bit devices
On-Chip Flash controller
Standard PC/AT compatible peripherals as Timer, IRQ and DMA controller
Integrated watchdog function
5.3
Super I/O
The external Super I/O WINBOND W83977F offers the following features:
Integrated keyboard controller with PS/2 mouse support
Two serial ports and one multi-mode parallel port
Floppy disk controller