Tait TB9100, Service Manual, Page: 8 / 132

8 TB9100 Reciter Service Manual
© Tait Electronics Limited January 2006
BRG Baud Rate Generator
BS Refers specifically to the Reciter control
element of the base station
CPM Communications Processor Module, a RISC
processor dedicated to handling
communications interfaces
CSMA/CD Carrier Sense Multiple Access with Collision
Detection
CTS Clear to Send
DARAM Dual-Access RAM
DCE Data Communications Equipment
DMA Direct Memory Access, a method of moving
data to/from memory with hardware assistance
DRAM Dynamic Random Access Memory
DSP Digital Signal Processor, a processor specialized
for numerical processing
DSR Data Set Ready
DTE Data Terminal Equipment
DTLB Data Translation Lookaside Buffer
DTR Data Terminal Ready
E&M Ear and Mouth, a simple DC signalling scheme
used in telecom networks
E2PROM Electrically Erasable Programmable Read Only
Memory
EDO Extended Data Out, a type of DRAM
EHPI Enhanced Host Port Interface, now renamed as
HPI
EMC Electromagnetic Compatibility
EMIF External Memory Interface
EPROM Erasable Programmable Read Only Memory
ESD Electrostatic Discharge
FEC Fast Ethernet Controller
FIFO First-In/First-Out, a variable length shift
register that supports queuing of data streams
FLASH A type of electrically erasable programmable
read-only memory. Usually not byte-erasable.
HPI Host Port Interface, an interface between a
DSP and its host processor
GPCM General-purpose Chip-select Machine, a basic
user programmable memory controller
GPR General purpose register