CD2231

Manufacturer Part NumberCD2231
DescriptionCD2231 Intelligent Two-channel Lan And Wan Communications Controller
ManufacturerIntel Corporation
CD2231 datasheet
 


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CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
Acronym
DMA
direct-memory access
DPLL
digital phase-locked loop
DRAM
dynamic random-access memory
DTE
data terminal equipment
EOF
end-of-frame
ETC
embedded transmit command
a
FCS
frame check sequence
FCT
flow control transparency
FIFO
first in/first out
HDLC
high-level data link control
ISA
industry standard architecture
ITB
intermediate text block
LRC
longitudinal redundancy check character
LSB
least-significant bit
MSB
most-significant bit
NRZ
nonreturn to zero
NRZI
nonreturn to zero inverted
PPP
point-to-point protocol
MQFP
metric quad-flat pack
RAM
random-access memory
R/W
read/write
SDLC
synchronous data link control
TTL
transistor-transistor logic
1.The terms CRC and FCS are used interchangeably in this
document.
14
Definition (Continued)
Datasheet