參數(shù)資料
型號(hào)： 82595TX
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： ISA/PCMCIA HIGH INTEGRATION ETHERNET CONTROLLER
中文描述： 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP144
封裝： TQFP-144
文件頁(yè)數(shù)： 2/54頁(yè)
文件大?。?/td> 643K
代理商： 82595TX
82595FX
ISA Bus High Integration ETHERNET Controller
CONTENTS
PAGE
1.0 INTRODUCTION
ààààààààààààààààààààààà 5
1.1 82595FX Overview
àààààààààààààààààà 5
1.2 Power Management
ààààààààààààààààà 5
1.3 Auto-Negotiation
àààààààààààààààààààà 5
1.4 Compliance to Industry
Standards
àààààààààààààààààààààààààààà 6
1.4.1 Bus InterfaceDISA IEEE
P996
àààààààààààààààààààààààààààààà 6
1.4.2 ETHERNET/Twisted Pair
Ethernet InterfaceDIEEE 802.3
Specification
ààààààààààààààààààààààà 6
2.0 82595FX PIN DEFINITIONS
ààààààààààà 6
2.1 ISA Bus Interface
àààààààààààààààààààà 6
2.2 Local Memory Interface
àààààààààààààà 8
2.3 Miscellaneous Control
ààààààààààààààà 9
2.4 JTAG Control
àààààààààààààààààààààààà 9
2.5 Serial Interface
àààààààààààààààààààààà 9
2.6 Serial Interface LEDs
ààààààààààààààà 10
2.7 Power and Ground
ààààààààààààààààà 11
2.8 Reserved Pins
àààààààààààààààààààààà 11
2.9 82595FX Pin Summary
ààààààààààààà 12
3.0 82595FX INTERNAL
ARCHITECTURE OVERVIEW
àààààààààà 13
3.1 System Interface Overview
ààààààààà 13
3.1.1 Concurrent Processing
Functionality
àààààààààààààààààààààà 13
3.2 Local Memory Interface
àààààààààààà 13
3.3 CSMA/CD Unit
ààààààààààààààààààààà 14
3.4 Serial Interface
ààààààààààààààààààààà 14
4.0 ACCESSING THE 82595FX
ààààààààààà 14
4.1 82595FX Register Map
ààààààààààààà 14
4.1.1 IO Bank 0
ààààààààààààààààààààà 15
4.1.2 IO Bank 1
ààààààààààààààààààààà 16
4.1.3 IO Bank 2
ààààààààààààààààààààà 17
4.2 Writing to the 82595FX
ààààààààààààà 17
4.3 Reading from the 82595FX
ààààààààà 18
CONTENTS
4.4 Local SRAM Accesses
ààààààààààààà 18
4.4.1 Writing to Local Memory
ààààààà 18
4.4.2 Reading from Local
Memory
àààààààààààààààààààààààààà 18
4.5 Serial EEPROM Interface
ààààààààààà 19
4.6 Boot EPROM/FLASH Interface
ààààà 20
PAGE
5.0 COMMAND AND STATUS
INTERFACE
àààààààààààààààààààààààààààà 20
5.1 Command OP Code Field
ààààààààààà 20
5.2 ABORT (Bit 5)
àààààààààààààààààààààà 20
5.3 Pointer Field (Bits 6 and 7)
àààààààààà 20
5.4 82595FX Status Interface
ààààààààààà 22
6.0 INITIALIZATION
àààààààààààààààààààààà 22
7.0 FRAME TRANSMISSION
ààààààààààààà 23
7.1 82595FX XMT Block Memory
Format
àààààààààààààààààààààààààààààà 23
7.2 XMT Chaining
àààààààààààààààààààààà 25
7.3 Automatic Retransmission on
Collision
ààààààààààààààààààààààààààààà 28
8.0 FRAME RECEPTION
ààààààààààààààààà 28
8.1 82595FX RCV Memory
Structure
àààààààààààààààààààààààààààà 28
8.2 RCV Ring Buffer Operation
ààààààààà 31
9.0 SERIAL INTERFACE
ààààààààààààààààà 32
10.0 APPLICATION NOTES
àààààààààààààà 33
10.1 Bus Interface
àààààààààààààààààààààà 33
10.2 Local Memory Interface
ààààààààààà 33
10.3 EEPROM Interface (ISA Only)
ààààà 33
10.4 Serial Interface
àààààààààààààààààààà 33
10.4.1 AUI Circuit
ààààààààààààààààààà 33
10.4.2 TPE Circuit
ààààààààààààààààààà 34
10.4.3 LED Circuit
ààààààààààààààààààà 34
2
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