CD2231 Intel Corporation, CD2231 Datasheet - Page 169

• Manufacturer Part Number: CD2231
• Description: CD2231 Intelligent Two-channel Lan And Wan Communications Controller
• Manufacturer: Intel Corporation

Index
Numerics
32-bit data bus 65
A
A and C fields 69
abbreviations 13
absolute maximum ratings 156
AC electrical characteristics
ACCM (async-control-character map) 70
acronyms 13
Address Recognition mode 68
Addressing mode 90
Append mode 46, 55
async interrupt setup example 85
Async-HDLC/PPP mode 94, 115, 119
Async-HDLC/PPP/MNP4 mode 128
Asynchronous DMA mode 56
Asynchronous mode 19, 97, 118, 128
Asynchronous/Async-HDLC/PPP mode 92
Autobaud mode 130
B
bit rate generation 57
BRG operation 57
buffer allocation 52
buffers and chaining 45
bus acquisition cycle 43, 44
bus arbitration 157
bus error handling 44
byte and word transfers 36
Datasheet
bus arbitration 157
DMA read 157
DMA write 157
host read/write 157
interrupt acknowledge 158
C
Chain mode 46
character format 69
CLK 159
CLK / BUSCLK / RESET* TIming Relation-
shi 159
Clock mode 19
contexts and channels 37
conventions 13
cycles
D
data clock selection 64
data encoding 57, 63
DC electrical characteristics 156
DCE (data communications equipment) 66
DMA
DMA connections 65
DMA read 157
DMA write 157
DPLL mode 110
DPLL operation 57
DTE (data terminal equipment) 65
DTE and DCE interface 65
E
electrical specifications 156
bus acquisition 43, 44
hardware signals and IACK 39
host read 35
host read and write 34
host write 36
interrupt acknowledge 38
data transfer 43
operation 42
169