82596CA Datasheet, PDF (2/76 Pages) Intel Corporation – HIGH-PERFORMANCE 32-BIT LOCAL AREA NETWORK COPROCESSOR

82596CA
82596CA High-Performance 32-Bit
Local Area Network Coprocessor
CONTENTS
PAGE
INTRODUCTION
3
PIN DESCRIPTIONS
7
82596 AND HOST CPU
INTERACTION
11
82596 BUS INTERFACE
11
82596 MEMORY ADDRESSING
11
82596 SYSTEM MEMORY
STRUCTURE
13
TRANSMIT AND RECEIVE MEMORY
STRUCTURES
14
TRANSMITTING FRAMES
17
RECEIVING FRAMES
18
82596 NETWORK MANAGEMENT AND
DIAGNOSTICS
18
NETWORK PLANNING AND
MAINTENANCE
20
STATION DIAGNOSTICS AND SELF-
TEST
21
82586 SOFTWARE COMPATIBILITY
21
INITIALIZING THE 82596
21
SYSTEM CONFIGURATION POINTER
(SCP)
21
Writing the Sysbus
22
INTERMEDIATE SYSTEM
CONFIGURATION POINTER
(ISCP)
23
INITIALIZATION PROCESS
23
CONTROLLING THE 82596CA
24
82596 CPU ACCESS INTERFACE
(PORT)
24
MEMORY ADDRESSING FORMATS
24
LITTLE ENDIAN AND BIG ENDIAN
BYTE ORDERING
25
COMMAND UNIT (CU)
26
RECEIVE UNIT (RU)
26
2
CONTENTS
PAGE
SYSTEM CONTROL BLOCK (SCB)
27
SCB OFFSET ADDRESSES
30
CBL Offset (Address)
30
RFA Offset (Address)
30
SCB STATISTICAL COUNTERS
31
Statistical Counter Operation
31
ACTION COMMANDS AND
OPERATING MODES
32
NOP
33
Individual Address Setup
33
Configure
34
Multicast-Setup
40
Transmit
41
Jamming Rules
43
TDR
44
Dump
46
Diagnose
49
RECEIVE FRAME DESCRIPTOR
50
Simplified Memory Structure
50
Flexible Memory Structure
51
Receive Buffer Descriptor (RBD)
52
PGA PACKAGE THERMAL
SPECIFICATIONS
57
ELECTRICAL AND TIMING
CHARACTERISTICS
57
Absolute Maximum Ratings
57
DC Characteristics
57
AC Characteristics
58
82596CA C-Step Input Output System
Timings
58
Transmit Receive Clock Parameters
63
82596CA BUS Operation
66
System Interface AC Timing
Characteristics
67
Input Waveforms
68
Serial AC Timing Characteristics
70
OUTLINE DIAGRAMS
72
REVISION HISTORY
76