RTL8139C(L)
REALTEK 3.3V SINGLE CHIP
FAST ETHERNET CONTROLLER
WITH POWER MANAGEMENT
RTL8139C(L)
7.1 SummaryofEEPROMRegisters............................. 35
7.2 SummaryofEEPROMPowerManagementRegisters....... 35
8. PCI Configuration Space Registers..................... 36
8.1 PCI Configuration Space Table ........................ 36
8.2 PCI Configuration Space Functions.................. 37
8.3 Default Values After Power-on (RSTB asserted)...... 42
8.4 PCI Power Management Functions .................. 43
8.5 Vital Product Data (VPD)................................. 45
9. Functional Description ......................................... 46
9.1 Transmit Operation........................................... 46
9.2 Receive Operation............................................. 46
9.3 Line Quality Monitor........................................ 46
9.4 Clock Recovery Module ................................... 46
9.5 Loopback Operation ......................................... 46
9.6 Tx Encapsulation .............................................. 46
9.7 Collision............................................................ 46
9.8 Rx Decapsulation.............................................. 47
9.9 Flow Control..................................................... 47
9.9.1. Control Frame Transmission..................... 47
9.9.2. Control Frame Reception.......................... 47
9.10 LED Functions................................................ 47
9.10.1 10/100 Mbps Link Monitor...................... 47
9.10.2 LED_RX.................................................. 48
9.10.3 LED_TX .................................................. 48
9.10.4 LED_TX+LED_RX................................. 49
10. Application Diagram .......................................... 50
11. Electrical Characteristics................................... 51
11.1 Temperature Limit Ratings............................. 51
11.2 DC Characteristics .......................................... 51
11.2.1 Supply Voltage ........................................ 51
11.3 AC Characteristics .......................................... 52
11.3.1 FLASH/BOOT ROM Timing.................. 52
11.3.2 PCI Bus Operation Timing: ..................... 54
12. Mechanical Dimensions...................................... 60
1. Features:.................................................................. 2
2. General Description................................................ 3
3. Block Diagram ........................................................ 4
4. Pin Assignments...................................................... 5
5. Pin Descriptions ...................................................... 6
5.1 Power Management/Isolation Interface.............. 6
5.2 PCI Interface....................................................... 6
5.3 FLASH/EEPROM Interface ............................... 8
5.4 Power Pins.......................................................... 9
5.5 LED Interface ..................................................... 9
5.6 Attachment Unit Interface .................................. 9
5.7 Test and Other Pins............................................. 9
6. Register Descriptions............................................ 10
6.1 Receive Status Register in Rx packet header.... 12
6.2 Transmit Status Register................................... 13
6.3 ERSR: Early Rx Status Register....................... 14
6.4 Command Register ........................................... 14
6.5 Interrupt Mask Register.................................... 15
6.6 Interrupt Status Register ................................... 15
6.7 Transmit Configuration Register ...................... 16
6.8 Receive Configuration Register........................ 17
6.9 9346CR: 93C46 (93C56) Command Register ......... 19
6.10 CONFIG 0: Configuration Register 0............. 20
6.11 CONFIG 1: Configuration Register 1............. 21
6.12 Media Status Register..................................... 22
6.13 CONFIG 3: Configuration Register3.............. 22
5.14 CONFIG 4: Configuration Register4.............. 24
6.15 Multiple Interrupt Select Register..................... 25
6.16 PCI Revision ID.............................................. 25
6.17 TransmitStatusofAllDescriptors(TSAD)Register......... 25
6.18 Basic Mode Control Register.......................... 26
6.19 Basic Mode Status Register............................ 26
6.20 Auto-negotiation Advertisement Register.............. 27
6.21 Auto-Negotiation Link PartnerAbilityRegister ............... 27
6.22 Auto-negotiation Expansion Register .............. 28
6.23 Disconnect Counter ........................................ 28
6.24 False Carrier Sense Counter ........................... 28
6.25 NWay Test Register........................................ 28
6.26 RX_ER Counter.............................................. 29
6.27 CS Configuration Register.............................. 29
6.28 FlashMemoryRead/WriteRegister ........................ 29
6.29 Config5: Configuration Register 5 ................. 30
6.30 Function Event Register ................................. 31
6.31 Function Event Mask Register........................ 31
6.32 Function Present State Register...................... 32
6.33 Function Force Event Register ....................... 32
7. EEPROM Contents .............................................. 33
1
2002/01/10
Rev.1.4
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