Specifications

BDM
- Background Debug Mode
An on-chip debug interface supported by a special hardware port on some processors. It allows to take full
control over the CPU with minimal external hardware, in many cases eliminationg the need for expensive
tools like In-Circuit-Emulators.
BOOTP
- Boot Protocol
A network protocol which can be used to inquire a server about information for the intended system
configuration (like IP address, host name, netmask, name server, routing, name of a boot image, address of
NFS server, etc.
CFI
- Common Flash Interface
CFI is a standard for flash chips that allows to create device independend drivers for such chips.
CPM
- Communications Processor Module
The magic communications co-processor in Motorola PowerQUICC devices. It contains SCCs and SMCs, and
performs SDMA and IDMA.
CPU
- Central Processor Unit
Depending on the context, this may refer to the processor core itself, or the physical processor device
(including peripherals like memory controller, Ethernet controller, UARTs, LCD controller, ..., packaging
etc.) as a single unit. The latter is today often called "system on chip" ("SoC").
CramFs
- Compressed ROM File System
Cramfs is designed to be a simple, small, and compressed file system for ROM based embedded systems.
CramFs is read-only, limited to 256MB file systems (with 16MB files), and doesn't support 16/32 bits uid/gid,
hard links and timestamps.
CVS
- Concurrent Versions System
CVS is a version control system; it can be used to record the history of files, so that it is for instance possible
to retrieve specific versions of a source tree.
BDM 205