8019AS.doc
2001-05-10
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SPECIFICATION
RTL8019AS
2
CONTENTS
1. FEATURES
3
2. GENERAL DESCRIPTION
4
3. PIN CONFIGURATION
5
4. PIN DESCRIPTION
4.1. Power Pins
6
4.2. ISA Bus Interface Pins
6
4.3. Memory Interface Pins (including BROM, EEPROM)
7
4.4. Medium Interface Pins
8
4.5. LED Output Pins
8
5. REGISTER DESCRIPTIONS
5.1. Group 1: NE2000 Registers
9
5.1.1. Register Table
9
5.1.2. Register Functions
11
5.1.2.1. NE2000 Compatible Registers
11
5.1.2.2. RTL8019AS Defined Registers
16
5.2. Group 2: Plug and Play (PnP) Registers
23
5.2.1. Card Control Registers
24
5.2.2. Logical Device Control Registers
25
5.2.3. Logical Device Configuration Registers
25
6. FUNCTIONAL DESCRIPTIONS
6.1. RTL8019AS Configuration Modes
27
6.2. Plug and Play
29
6.2.1. Initiation Key
29
6.2.2. Isolation Protocol
30
6.2.3. Plug and Play Isolation Sequence
34
6.2.4. Reading Resource Data
35
6.2.5. PnP auto detect mode
36
6.3. 9346 Contents
37
6.4. Boot ROM
38
6.5. LED Behaviors
40
6.6. Loopback Diagnostic Operation
42
6.6.1. Loopback Operation
42
6.6.2. To implement Loopback Test
43
7. Electrical Specification and Timings
7.1. Absolute Maximum Ratings
46
7.2. D.C. Characteristics
46
7.3. A.C. Timing Characteristics
46
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