RTL8029AS Ver la hoja de datos (PDF) - Realtek Semiconductor
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RTL8029AS Datasheet PDF : 41 Pages
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RTL8029AS Preliminary
Command: Command Register (05-04H; Type=R except Bit1, 0=R/W)...............................................................................22
Status: Status Register (07-06H; Type=R)...........................................................................................................................22
PIFR: Programming InterFace Register (09H; Type=R) .......................................................................................................23
SCR: Sub-Class Register (0AH; Type=R) ...........................................................................................................................23
BCR: Base-Class Register (0BH; Type=R)..........................................................................................................................23
HTR: Header Type Register (0EH; Type=R) .......................................................................................................................23
LTR: Latency Timer Register (0DH; Type=R).....................................................................................................................23
BAR: Base Address Register (13-10H; Type=R/W except Bit4-0=R) ..................................................................................23
SVID: Subsystem Vendor ID Register (2C-2DH; Type=R).................................................................................. 23
SID: Subsystem ID Register (2E-2FH; Type=R)................................................................................................. 24
BROMBAR: Boot ROM Base Address Register (33-30H; Type=R/W except Bit12-1=R)....................................................24
ILR: Interrupt Line Register (3CH; Type=R/W) ..................................................................................................................24
IPR: Interrupt Pin Register (3DH; Type=R).........................................................................................................................24
6. FUNCTION DESCRIPTION............................................................................................................................... 25
6.1. RTL8029AS CONFIGURATION PROCESS ............................................................................................................... 25
6.2. 9346 CONTENTS .................................................................................................................................................. 26
6.2.1 Detail values of 9346 CONFIG2-3 & 8029ASID0-1 bytes ..........................................................................................26
6.2.2 ID PROM Contents....................................................................................................................................................27
6.3. LOCAL MEMORY BUS CONTROL ........................................................................................................................... 28
6.4. FLOW CONTROL.................................................................................................................................... 28
6.4.1. Control Frame Transmission ........................................................................................................ 28
6.4.2. Control Frame Reception ............................................................................................................. 28
6.5. LED BEHAVIORS ................................................................................................................................................. 29
6.5.1 LED_TX: Tx LED .....................................................................................................................................................29
6.5.2 LED_RX: Rx LED.....................................................................................................................................................29
6.5.3 LED_CRS=LED_TX+LED_RX: Carrier Sense LED ..................................................................................................30
6.5.4 LED_COL: Collision LED .........................................................................................................................................30
6.5.5 LED Output States in Power Down Modes.................................................................................................................31
6.6. LOOPBACK DIAGNOSTIC OPERATION..................................................................................................................... 31
6.6.1. Loopback operation..................................................................................................................................... 31
(1) CRC enabled (CRC bit in TCR=0) ................................................................................................................................32
(2) CRC disabled (CRC bit in TCR=1) ...............................................................................................................................32
6.6.2. To Implement Loopback Test ....................................................................................................................... 32
(1) To verify the integrity of data path.................................................................................................................................32
(2) To verify CRC logic ......................................................................................................................................................32
(3) To verify the address recognition function .....................................................................................................................33
(4) To Test Cable Connection .............................................................................................................................................33
7. ELECTRICAL SPECIFICATIONS AND TIMINGS......................................................................................... 35
7.1. ABSOLUTE MAXIMUM RATINGS ............................................................................................................................ 35
7.2. D.C. CHARACTERISTICS (TC=0 ¢J TO 70 ¢J, VCC=5V+5%) .................................................................................. 35
7.3. A.C. TIMING CHARACTERISTICS........................................................................................................................... 35
7.3.1. PCI Configuration Read/Write .................................................................................................................... 35
7.3.1.1. Configuration Read ................................................................................................................................................36
7.3.1.2. Configuration Write ...............................................................................................................................................36
7.3.2. PCI I/O Read/Write ..................................................................................................................................... 37
7.3.2.1. PCI I/O Read .........................................................................................................................................................37
7.3.2.2. PCI I/O Write.........................................................................................................................................................37
7.3.4. Output Timing for PCI Interface.................................................................................................................. 38
7.3.5. Input Timing for PCI Interface .................................................................................................................... 38
7.3.6. Serial EEPROM (9346) Auto-load................................................................................................. ............ 39
LS009.0
3
1997.01.16
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