SPECIFICATION RTL8019AS RTL8019AS - Duplex Ethernet Controller with Plug and Play ) SPECIFICATION - NO. 2, INDUSTRY E. RD. IX, SCIENCE - BASED INDUSTRIAL PARK, HSINCHU 30077 , TAIWAN, R.O.C. TEL:886 - 3 - 5780211 FAX:886 - 3 - 5776598 OFFICE 3F, NO. 56, WU - KUNG 6 RD., TAIPEI HSIEN, TAIWAN, R.O.C. TEL: 886 - 2 - 22980098 FAX: 886 - 2 - 22980094, 22980097 8019AS.doc 1 2001 - 05 - 10 HEAD OFFICE CONDUCTOR CO., LTD. REALTEK SEMI Function (RealPNP Realtek Full Rbq SPECIFICATION RTL8019AS 3 4 5 4.1. 6 4.2. 6 4.3. 7 4.4. 8 4.5. L ED Output Pins 8 5.1. Group 1: NE2000 Registers 9 9 11 11 16 23 5.2.1. Card Control Registers 24 25 25 27 29 29 6.2.2. Isolation Protocol 30 34 35 6.2.5. PnP auto detect mode 36 6.3. 9346 Contents 37 6.4. Boot ROM 38 40 42 6.6.1. Loopback Operation 42 43 46 46 46 8019AS.doc 2 2001 - 05 - 10 7.3. A.C. Timing Characteristics 7.2. D.C. Characteristics 7.1. Absolute Maximum Ratings 7. Electrical Specification and Timings 6.6.2. To implement Loopback Test Operation 6.6. Loopback Diagnostic 6.5. LED Behaviors 6.2.4. Reading Resource Data 6.2.3. Plug and Play Isolation Sequence tiation Key 6.2.1. Ini 6.2. Plug and Play 6.1. RTL8019AS Configuration Modes 6. FUNCTIONAL DESCRIPTIONS 5.2.3. Logical Device Configuration Registers 5.2.2. Logical Device Control Registers PnP) Registers 5.2. Group 2: Plug and Play ( 5.1.2.2. RTL8019AS Defined Registers 5.1.2.1. NE2000 Compatible Registers 5.1.2. Register Functions 5.1.1. Register Table 5. REGISTER DESCRIPTIONS Medium Interface Pins Memory Interface Pins (including BROM, EEPROM) ISA Bus Interface Pins Power Pins 4. PIN DESCRIPTION 3. PIN CONFIGURATION 2. GENERAL DESCRIPTION 1. FEATURES CONTENTS Rbq