TRENDNET RTL8188CE WIRELESS N Mini Card User Manual RTL8188CE Manual

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RTL8188CE
miniCard User’s Manual
Rev. 1.0
03 Dec 2009
COPYRIGHT
©2009, All rights reserved TRENDnet,. No part of this document may be reproduced, transmitted, transcribed,
stored in a retrieval system, or translated into any language in any form or by any means without the written
permission of TRENDnet Inc.
DISCLAIMER
TRENDnet provides this document “as is”, without warranty of any kind, neither expressed nor implied, including,
but not limited to, the particular purpose. TRENDnet may make improvements and/or changes in this document or
in the product described in this document at any time. This document could include technical inaccuracies or
typographical errors.
TRADEMARKS
TRENDnet is a trademark of TRENDnet Semiconductor Corporation. Other names mentioned in this document are
trademarks/registered trademarks of their respective owners.
USING THIS DOCUMENT
This document is intended for the software engineer’s reference and provides detailed programming information.
Though every effort has been made to ensure that this document is current and accurate, more information may
have become available subsequent to the production of this guide. In that event, please contact your TRENDnet
representative for additional information that may help in the development process.
ii
Table of Contents
1. GENERAL DESCRIPTION................................................................................................................................................1
2. FEATURES...........................................................................................................................................................................2
3. BLOCK DIAGRAM............................................................................................................................................................3
4. PRODUCT SPECIFICATIONS..........................................................................................................................................4
4.1. MINI PCI EXPRESS PIN ASSIGNMENT..............................................................................................................................4
4.2. MECHANICAL..................................................................................................................................................................5
4.3. ENVIRONMENTAL............................................................................................................................................................5
4.3.1. Operating...............................................................................................................................................................5
4.3.2. Storage....................................................................................................................................................................5
4.4. FUNCTIONAL SPECIFICATIONS.........................................................................................................................................5
4.5. WARNING........................................................................................................................................................................6
4.5.1 Federal Communication Commission Interference Statement......................................................................................6
4.5.2 Industry Canada Statement..........................................................................................................................................8
4.5.3 NCC警語......................................................................................................................................................................9
List of Tables
TABLE 1.
TABLE 2.
MINI PCI EXPRESS PIN ASSIGNMENT............................................................................................................................4
FUNCTIONAL SPECIFICATIONS.......................................................................................................................................5
List of Figures
FIGURE 1.
FIGURE 2.
RTL8188CE MINICARD APPLICATION DIAGRAM........................................................................................................3
RTL8188CE MINICARD MECHANICAL SPECIFICATION................................................................................................5
iii
1. General Description
The TRENDnet RTL8188CE is a highly integrated single-chip Wireless LAN (WLAN) controller compatible with
the IEEE 802.11n specification. It combines a MAC, a 1T1R capable baseband, and RF in a single chip. The
RTL8188CE provides a complete solution for a high-performance wireless client.
The RTL8188CE baseband implements Multiple Input, Multiple Output (MIMO) Orthogonal Frequency Division
Multiplexing (OFDM) with one transmit and one receive path (1T1R). Features include one spatial stream
transmission, short Guard Interval (GI) of 400ns, spatial spreading, and support for both 20MHz and 40MHz
channel bandwidth.
For legacy compatibility, Direct Sequence Spread Spectrum (DSSS), Complementary Code Keying (CCK) and
OFDM baseband processing are included to support all IEEE 802.11b, and 802.11g data rates. Differential phase
shift keying modulation schemes, DBPSK and DQPSK with data scrambling capability are available, and CCK
provides support for legacy data rates, with long or short preamble. The high speed FFT/IFFT paths, combined with
BPSK, QPSK, 16QAM, and 64QAM modulation of the individual subcarriers, and rate compatible punctured
convolutional coding with coding rate of 1/2, 2/3, 3/4, and 5/6, provide higher data rates of 54Mbps and 150Mbps
for IEEE 802.11g and 802.11n OFDM respectively.
The RTL8188CE builds in an enhanced signal detector, an adaptive frequency domain equalizer, and a
soft-decision Viterbi decoder to alleviate severe multi-path effects and mutual interference in the reception of
multiple streams. Robust interference detection and suppression are provided to protect against Bluetooth, cordless
phone, and microwave oven interference.
Efficient IQ-imbalance, DC offset, phase noise, frequency offset, and timing offset compensations are provided for
the radio frequency front-end. Selectable digital transmit and receive FIR filters are provided to meet transmit
spectrum mask requirements and to reject adjacent channel interference, respectively.
The RTL8188CE supports fast receiver Automatic Gain Control (AGC) with synchronous and asynchronous
control loops among antennas, antenna diversity functions, and adaptive transmit power control functions to obtain
better performance in the analog portions of the transceiver.
The RTL8188CE MAC supports 802.11e for multimedia applications, 802.11i for security, and 802.11n for
enhanced MAC protocol efficiency. Using packet aggregation techniques such as A-MPDU with BA and A-MSDU,
protocol efficiency is significantly improved. Power saving mechanisms such as U-APSD, and APSD, reduces
power wasted during idle time, and compensates for the extra power required to transmit OFDM. The RTL8188CE
provides simple legacy and 20MHz/40MHz co-existence mechanisms to ensure backward and network
compatibility.
Rev.1.0
2. Features
General
„
„
„
„
„
„
48-pin QFN
CMOS MAC, Baseband PHY and RF in a
single chip for IEEE 802.11b/g/n
compatible WLAN
75Mbps receive PHY rate and 75Mbps
transmit PHY rate using 20MHz bandwidth
150Mbps receive PHY rate and 150Mbps
transmit PHY rate using 40MHz bandwidth
Compatible with 802.11n specification
Backward compatible with 802.11b/g
devices while operating at 802.11n data
rates
Host Interface
„ Complies with PCI Express Base
Specification Revision 1.1 / USB 2.0
Standards Supported
„ IEEE 802.11b/g/n compatible WLAN
„ IEEE 802.11e QoS Enhancement (WMM)
„ IEEE 802.11i (WPA, WPA2). Open, shared
key, and pair-wise key authentication
services
MAC Features
„ Frame aggregation for increased MAC
efficiency (A-MSDU, A-MPDU)
„ Low latency immediate High-Throughput
Block Acknowledgement (HT-BA)
„ Long NAV for media reservation with
CF-End for NAV release
„ PHY-level spoofing to enhance legacy
compatibility
„ Power saving mechanism
„ Channel management and co-existence
„ Multiple BSSID feature allows the
„
„
RTL8188CE to assume multiple MAC
identities when used as a wireless bridge
Supports Wake-On-WLAN via Magic
Packet and Wake-up frame
Transmit Opportunity (TXOP) Short
Inter-Frame Space (SIFS) bursting for
higher multimedia bandwidth
Peripheral Interfaces
„ General Purpose Input/Output (8 pins)
„ Three configurable LED pins
„ Configurable Bluetooth Coexistence
Interface
PHY Features
„ IEEE 802.11n OFDM
„ One Transmit and one Receive path (1T1R)
„ 20MHz and 40MHz bandwidth
transmission
„ Short Guard Interval (400ns)
„ DSSS with DBPSK and DQPSK, CCK
modulation with long and short preamble
„ OFDM with BPSK, QPSK, 16QAM, and
64QAM modulation. Convolutional Coding
Rate: 1/2, 2/3, 3/4, and 5/6
„ Maximum data rate 54Mbps in 802.11g,
and 150Mbps in 802.11n
„ Switch diversity for DSSS/CCK
„ Hardware antenna diversity
„ Selectable digital transmit and receive FIR
filters
„ Programmable scaling in transmitter and
receiver to trade quantization noise against
increased probability of clipping
„ Fast receiver Automatic Gain Control
(AGC)
„
On-chip ADC and DAC
Rev.1.0
3. Block Diagram
Figure 1.
RTL8188CE miniCard Application Diagram
Rev.1.0
4. Product specifications
4.1. Mini PCI Express Pin Assignment
PIN#
Table 1.
Pin Name
WAKE#
COEX1
COEX2
CLKREQ#
GND
Mini PCI Express Pin Assignment
PIN# Pin Name
YES
3.3Vaux
YES
YES
GND
YES
YES
1.5V
NC
YES
UIM_PWR
NC
YES
10
UIM_DATA
NC
11
REFCLK-
YES
12
UIM_CLK
NC
13
REFCLK+
YES
14
UIM_RESET
NC
15
GND
YES
16
UIM_VPP
NC
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
RESERVED
RESERVED
GND
PERn0
PERp0
GND
GND
PETn0
PETp0
GND
GND
+3.3Vaux
+3.3Vaux
GND
RESERVED
RESERVED
RESERVED
RESERVED
NC
NC
YES
YES
YES
YES
YES
YES
YES
YES
YES
NC
NC
YES
NC
NC
NC
NC
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
GND
W_DISABLE#
PERST#
+3.3Vaux
GND
+1.5V
SMB_CLK
SMB_DATA
GND
USB_DUSB_D+
GND
LED_WWAN#
LED_WLAN#
LED_WPAN#
+1.5V
GND
+3.3Vaux
YES
YES
YES
NC
YES
NC
NC
NC
YES
YES
YES
NC
NC
YES
NC
YES
YES
YES
Rev.1.0
4.2. Mechanical
Figure 2.
RTL8188CE miniCard Mechanical Specification
4.3. Environmental
4.3.1. Operating
Operating Temperature: 0 to 70 °C
Relative Humidity: 5-90% (non-condensing)
4.3.2. Storage
Temperature:
-55 to 125 °C
Relevant Humidity:
5-95% (non-condensing)
4.4. Functional Specifications
Table 2.
Functional Specifications
3.3Vdc±0.3Vdc , 365mA from host equipment
CCK, DQPSK, DBPSK for DSSS
64QAM, 16QAM, QPSK, BPSK for OFDM
MODULATION Technology DSSS, OFDM
POWER SUPPLY
MODULATION TYPE
Rev.1.0
Transfer rate
802.11b: 11 / 5.5 / 2 / 1Mbps
802.11g: 54 / 48 / 36 / 24 / 18 / 12 / 9 / 6Mbps
Draft 802.11n (20MHz, 800ns GI): 65 / 58.5 / 52 / 39 / 26 / 19.5 / 13 /
6.5Mbps
Draft 802.11n (40MHz, 800ns GI): 135 / 121.5 / 108 / 81 / 54 / 40.5 / 27
/ 13.5Mbps
Draft 802.11n (20MHz, 400ns GI): 72.2 / 65 / 57.8 / 43.3 / 28.9 / 21.7 /
14.4 / 7.2Mbps
Draft 802.11n (40MHz, 400ns GI): 150 / 135 / 120 / 90 / 60 / 45 / 30 /
15Mbps
FREQUENCY Range
NUMBER OF CHANNEL
2400MHz ~ 2483.5MHz
11 for 802.11b, 802.11g, draft 802.11n (20MHz)
7 for draft 802.11n (40MHz)
4.5. Warning
4.5.1 Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate this equipment.
IMPORTANT NOTE:
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
Rev.1.0
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
IEEE 802.11b or 802.11g operation of this product in the U.S.A. is firmware-limited to channels 1 through 11.
This device is intended only for OEM integrators under the following conditions:
The antenna must be installed such that 20 cm is maintained between the antenna and users, and
The transmitter module may not be co-located with any other transmitter or antenna,
For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band by supplied
firmware programming tool. OEM shall not supply any tool or info to the end-user regarding to Regulatory Domain
change.
As long as 3 conditions above are met, further transmitter test will not be required. However, the OEM integrator is
still responsible for testing their end-product for any additional compliance requirements required with this module
installed (for example, digital device emissions, PC peripheral requirements, etc.).
IMPORTANT NOTE: In the event that these conditions can not be met (for example certain laptop configurations
or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID
can not be used on the final product. In these circumstances, the OEM integrator will be responsible for
re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm
may be maintained between the antenna and users. The final end product must be labeled in a visible area with the
following: “Contains FCC ID: XU8RTL8188CE”.
Manual Information To the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove
this RF module in the user’s manual of the end product which integrates this module.
The end user manual shall include all required regulatory information/warning as show in this manual.
Industry Canada Statement
This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two
conditions:
1) this device may not cause interference and
2) this device must accept any interference, including interference that may cause undesired operation of the device
This device has been designed to operate with an antenna having a maximum gain of 3.45dBi.
Antenna having a higher gain is strictly prohibited per regulations of Industry Canada. The required antenna
impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the
EIRP is not more than required for successful communication.
Rev.1.0
IMPORTANT NOTE:
IC Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
4.5.2 Industry Canada Statement
This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two
conditions:
1) this device may not cause interference and
2) this device must accept any interference, including interference that may cause undesired operation of the device
This device has been designed to operate with an antenna having a maximum gain of 3.45dBi.
Antenna having a higher gain is strictly prohibited per regulations of Industry Canada. The required antenna
impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the
EIRP is not more than required for successful communication.
IMPORTANT NOTE:
IC Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
This device is intended only for OEM integrators
under the following conditions:
The transmitter module may not be co-located with any other transmitter or antenna.
As long as conduction above is met, further transmitter test will not be required. However, the OEM integrator is
still responsible for testing their end-product for any additional compliance requirements required with this module
installed (for example, digital device emissions, PC peripheral requirements, etc.). The antenna must be installed
such that 20 cm is maintained between the antenna and users.
IMPORTANT NOTE: In the event that these conditions can not be met (for example certain laptop configurations
or co-location with another transmitter), then the IC authorization is no longer considered valid and the IC ID can
not be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating
the end product (including the transmitter) and obtaining a separate IC authorization.
Rev.1.0
End Product Labeling
The final end product must be labeled in a visible area with the following: “Contains IC : 6317A-RTL8188CE”.
Manual Information That Must be Included
The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove.
This RF module in the user’s manual of the end product which integrates this module.
The user’s manual for OEM Integrators must include the following information in a prominent location
“IMPORTANT NOTE: To comply with FCC RF exposure compliance requirements. The antenna must not be
co-located or operating in conjunction with any other antenna or transmitter”.
4.5.3 NCC警語
經型式認證合格之低功率射頻電機，非經許可，公司、商號或使用者均不得擅自變更頻率、加大功率或變
更原設計之特性及功能。
低功率射頻電機之使用不得影響飛航安全及干擾合法通信；經發現有干擾現象時，應立即停用，並改善至
無干擾時方得繼續使用。前項合法通信，指依電信法規定作業之無線電通信。低功率射頻電機須忍受合法
通信或工業、科學及醫療用電波輻射性電機設備之干擾。
本模組於取得認證後將依規定於模組本體標示審合格籤，並要求平台上標示「本產品內含射頻模組：ID編
號」
TRENDnet Inc.
20675 Manhattan Place, CA 90501
Tel: 310‐961‐5500 Fax: 310‐961‐5511
www.trendnet.com
Rev.1.0

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