User's Manual

RTL8187B
Datasheet
Wireless LAN Network Interface Controller
iv
Track ID: JATR-1076-21 Rev. 1.0
10.3. PACKET RECOGNITION ..............................................................................................................................................22
11. FUNCTIONAL DESCRIPTION ..................................................................................................................................23
11.1. TRANSMIT & RECEIVE OPERATIONS..........................................................................................................................23
11.1.1. Transmit ...............................................................................................................................................................23
11.1.2. Receive .................................................................................................................................................................27
11.2. RX COMMAND...........................................................................................................................................................29
11.3. LOOPBACK OPERATION .............................................................................................................................................29
11.4. TX ENCAPSULATION (WITH RTL8187B INTERNAL BASEBAND PROCESSOR)............................................................29
11.5. RX DECAPSULATION (WITH RTL8187B INTERNAL BASEBAND PROCESSOR) ...........................................................30
11.6. QOS FUNCTIONS .......................................................................................................................................................30
11.7. CONTENTION-BASED ADMISSION CONTROL FUNCTIONS ...........................................................................................30
11.8. DURATION FIELD PROCESSING ..................................................................................................................................31
11.9. LED FUNCTIONS .......................................................................................................................................................31
11.9.1. Link Monitor.........................................................................................................................................................31
11.9.2. Infrastructure Monitor .........................................................................................................................................31
11.9.3. Rx LED .................................................................................................................................................................32
11.9.4. Tx LED .................................................................................................................................................................33
11.9.5. Tx/Rx LED ............................................................................................................................................................33
11.9.6. LINK/ACT LED ....................................................................................................................................................34
12. APPLICATION DIAGRAM .........................................................................................................................................35
13. ELECTRICAL CHARACTERISTICS........................................................................................................................36
13.1. TEMPERATURE LIMIT RATINGS .................................................................................................................................36
13.2. DC CHARACTERISTICS ..............................................................................................................................................36
13.3. AC CHARACTERISTICS ..............................................................................................................................................37
13.3.1. Serial EEPROM Interface Timing (93C46(64*16)/93C56(128*16))...................................................................37
14. MECHANICAL DIMENSIONS ...................................................................................................................................38
14.1. MECHANICAL DIMENSIONS NOTES............................................................................................................................39
15. ORDERING INFORMATION .....................................................................................................................................39
List of Tables
TABLE 1. USB TRANSCEIVER INTERFACE .....................................................................................................................................6
TABLE 2. EEPROM INTERFACE ....................................................................................................................................................6
TABLE 3. POWER PINS ...................................................................................................................................................................6
TABLE 4. LED INTERFACE.............................................................................................................................................................7
TABLE 5. ATTACHMENT UNIT INTERFACE .....................................................................................................................................7
TABLE 6. RTL8255 RF CHIPSET....................................................................................................................................................8
TABLE 7. CLOCK AND OTHER PINS ................................................................................................................................................9
TABLE 8. GET DESCRIPTOR-DEVICE............................................................................................................................................11
TABLE 9. GET DESCRIPTOR- DEVICE QUALIFIER (HIGH SPEED) ..................................................................................................11
TABLE 10. GET DESCRIPTOR-CONFIGURATION .............................................................................................................................12
TABLE 11. GET DESCRIPTOR-STRING INDEX 0 ..............................................................................................................................13
TABLE 12. GET DESCRIPTOR-STRING INDEX 1 ..............................................................................................................................13
TABLE 13. GET DESCRIPTOR-STRING INDEX 2 ..............................................................................................................................13
TABLE 14. GET DESCRIPTOR-STRING INDEX 3 ..............................................................................................................................14
TABLE 15. GET DESCRIPTOR-STRING INDEX 4 ..............................................................................................................................14