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RTL8187L

Datasheet

Wireless LAN Network Interface Controller 23 Track ID JATR-1076-21 Rev. 1.2

Table 28. Tx Status Descriptor

Offset# Bit# Symbol Description

0 31:28 RSVD Reserved.

Tx Rate.

These four bits indicate the current frame’s transmission rate.

Bit 27 Bit 26 Bit 25 Bit 24

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

Reserved All other combinations

0 27:24 TXRATE

0 23 RTSEN RTS Enable.

Set to 1 indicates that an RTS/CTS handshake shall be performed at the

beginning of any frame exchange sequence where the frame is of type Data or

Management, the frame has a unicast address in the Address1 field, and the

length of the frame is greater than RTSThreshold.

RTS Rate.

These four bits indicate the RTS frame’s transmission rate before transmitting the

current frame and will be ignored if the RTSEN bit is set to 0.

Bit 22 Bit 21 Bit 20 Bit 19