Kontron PEP CP321 Manual page 36

Functional Description
• PCI bus arbitration unit (five request/grant pairs)
PCI agent mode capability:
• address translation unit
• internal configuration registers accessible from PCI
• two-channel integrated DMA controller
• supports direct mode or chaining mode (automatic linking of DMA transfers)
• supports scatter gathering - read or write discontinuous memory
• interrupt on completed segment, chain, and error
• local-to-local memory
• PCI-to-PCI memory
• PCI-to-local memory
• local-to-PCI memory
Message Unit:
• I²O message controller
• two door-bell registers
• in-bound and out-bound messaging registers
Embedded Programmable Interrupt Controller (EPIC):
• five hardware interrupts (IRQs) or 16 serial interrupts
• four programmable timers
Programmable Memory and PCI Bus Output Drivers
Debug Features:
• watchpoint monitor
• address attribute and PCI attribute signals
• JTAG/COP - common onboard processor for in-circuit hardware debugging
• performance monitor
Page 2 - 4 © 2003 Kontron Modular Computers GmbH
CP321
ID 24977, Rev. 02