User's Manual

RTL8187L
Datasheet
Wireless LAN Network Interface Controller 8 Track ID JATR-1076-21 Rev. 1.2
Symbol Type Pin No Description
RFTXEN O 102 Not used in the RTL8255 RF chipset.
RFRXEN O 113 Not used in the RTL8255 RF chipset.
GPIO[0]
O
67
General purpose input/output pin.
GPIO[1]
O
68
General purpose input/output pin.
GPIO[2]
O
69
General purpose input/output pin.
GPIO[3]
O
70
General purpose input/output pin.
GPIO[4]
O
100
General purpose input/output pin.
GPIO[5]
O
94
General purpose input/output pin.
VREFO X
118
Not used in the RTL8255 RF chipset.
VRP
X 119 Not used in the RTL8255 RF chipset.
VRN
X 120 Not used in the RTL8255 RF chipset.
RXIP
RXIN
I
I
121
122
Receive (Rx) In-phase Analog Data.
RXQP
RXQN
I
I
124
125
Receive (Rx) Quadrature-phase Analog Data.
RXAGC
O 4 Not used in the RTL8255 RF chipset.
TXAGC
O 5 Not used in the RTL8255 RF chipset.
RSSI
I 6 Analog Input to the Receive Power A/D Converter for Receive AGC Control.
TSSI0
I 7 Input to the Transmit Power A/D Converter for 2.4GHz Transmit AGC Control.
TSSI1
I 8 Input to the Transmit Power A/D Converter for 5GHz Transmit AGC Control.
TXQP
TXQN
O
O
11
12
Transmit (TX) Quadrature-phase Analog Data.
TXIP
TXIN
O
O
14
13
Transmit (TX) In-phase Analog Data.
TXQTP
TXQTN
O
O
15
16
Not used in the RTL8255 RF chipset.
TXITP
TXITN
O
O
17
18
Not used in the RTL8255 RF chipset.
6.6. Clock and Other Pins
Table 7. Clock and Other Pins
Symbol Type Pin No Description
R15K I/O 1 This pin must be pulled low by a 15K Ω resistor.
XI I 20 40MHz OSC Input.