User's Manual

RTL8187L
Datasheet
Wireless LAN Network Interface Controller 26 Track ID JATR-1076-21 Rev. 1.2
Offset# Bit# Symbol Description
Rx Rate.
These four bits indicate the current frame’s receiving rate.
Bit 23 Bit 22 Bit 21 Bit 20
1Mbps 0 0 0 0
2Mbps 0 0 0 1
5.5Mbps 0 0 1 0
11Mbps 0 0 1 1
6Mbps 0 1 0 0
9Mbps 0 1 0 1
12Mbps 0 1 1 0
18Mbps 0 1 1 1
24Mbps 1 0 0 0
36Mbps 1 0 0 1
48Mbps 1 0 1 0
54Mbps 1 0 1 1
0 23:20 RXRATE
Reserved All other combinations
0 19 RSVD Reserved.
0 18 MAR Multicast Address Packet Received.
When set, this bit indicates that a multicast packet was received.
0 17 PAM Physical Address Matched.
When set, this bit indicates that the destination address of this Rx packet matches
the value in the RTL8187L’s ID registers.
0 16 BAR Broadcast Address Received.
When set, this bit indicates that a broadcast packet was received. BAR and MAR
will not be set simultaneously.
0 15 RES Receive Error.
Valid if DMAF=0
0 14 PWRMGT Receive Power Management Packet.
When set, this bit indicates that the Power Management bit is set on the received
packet.
0 13 CRC32 CRC32 Error.
When set, this bit indicates that a CRC32 error has occurred on the received
packet. A CRC32 packet can be received only when RCR_ACRC32 is set.
0 12 ICV Integrity Check Value Error.
When set, this bit indicates that an ICV error has occurred on the received packet.
A ICV packet can be received only when RCR_AICV is set.
0 11:0 Frame_Length This bit indicates the received packet length including CRC32, in bytes.
4 31:26 RSVD Reserved.
4 25 WAKEUP The received packet is a unicast wakeup packet.
4 24 DECRYPTED The received packet has been decrypted.
4 23:16 AGC The AGC of the received packet.
4 15 ANTENNA The received packet is received through this antenna.
4 14:8 RSSI Received Signal Strength Indicator.
The RSSI is a measure of the RF energy received by the PHY.