Realtek Semiconductor RTL8188CE 802.11b/g/n RTL8188CE User Manual RTL8192 datasheet

Realtek Semiconductor Corp. 802.11b/g/n RTL8188CE RTL8192 datasheet

User Manual module

RTL8188CE
802.11b/g/n RTL8188CE miniCard
User’s Manual
Rev. 1.0
03 Dec 2009
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com.tw
RTL8188CE
User’s Manual
COPYRIGHT
©2009 Realtek Semiconductor Corp. All rights reserved. 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 Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document “as is”, without warranty of any kind, neither expressed nor implied,
including, but not limited to, the particular purpose. Realtek 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
Realtek is a trademark of Realtek 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
Realtek representative for additional information that may help in the development process.
ii Rev.1.0
RTL8188CE
User’s Manual
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. MINI PCI EXPRESS PIN ASSIGNMENT ............................................................................................................................4
TABLE 2. FUNCTIONAL SPECIFICATIONS .......................................................................................................................................5
List of Figures
FIGURE 1. RTL8188CE MINICARD APPLICATION DIAGRAM ........................................................................................................3
FIGURE 2. RTL8188CE MINICARD MECHANICAL SPECIFICATION................................................................................................5
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RTL8188CE
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1 Rev.1.0
1. General Description
The Realtek 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.
RTL8188CE
User’s Manual
2 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
RTL8188CE
User’s Manual
3. Block Diagram
Antenna B
2.4GHz
PA
2.4GHz
Transceiver
TX I/Q
NV Memory
ADCDAC
SPS/LDO
Regulators
40MHz
Crystal
MAC
Configuration
Control and
Memory
Ext
Interface
Baseband
(PHY)
RTL8188CE
Host
Interface
3.3V
RX I/Q
Antenna A
LED
Radio
on/off
40MHz
Crystal
TX/RX
Matching
Circuit
Figure 1. RTL8188CE miniCard Application Diagram
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User’s Manual
4. Product specifications
4.1. Mini PCI Express Pin Assignment
Table 1. Mini PCI Express Pin Assignment
PIN# Pin Name PIN# Pin Name
1 WAKE# YES 2 3.3Vaux YES
3 COEX1 YES 4 GND YES
5 COEX2 YES 6 1.5V NC
7 CLKREQ# YES 8 UIM_PWR NC
9 GND 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 RESERVED NC 18 GND YES
19 RESERVED NC 20 W_DISABLE# YES
21 GND YES 22 PERST# YES
23 PERn0 YES 24 +3.3Vaux NC
25 PERp0 YES 26 GND YES
27 GND YES 28 +1.5V NC
29 GND YES 30 SMB_CLK NC
31 PETn0 YES 32 SMB_DATA NC
33 PETp0 YES 34 GND YES
35 GND YES 36 USB_D- YES
37 GND YES 38 USB_D+ YES
39 +3.3Vaux NC 40 GND NC
41 +3.3Vaux NC 42 LED_WWAN# NC
43 GND YES 44 LED_WLAN# YES
45 RESERVED NC 46 LED_WPAN# NC
47 RESERVED NC 48 +1.5V YES
49 RESERVED NC 50 GND YES
51 RESERVED NC 52 +3.3Vaux YES
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RTL8188CE
User’s Manual
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
POWER SUPPLY 3.3Vdc±0.3Vdc , 365mA from host equipment
MODULATION TYPE CCK, DQPSK, DBPSK for DSSS
64QAM, 16QAM, QPSK, BPSK for OFDM
MODULATION Technology DSSS, OFDM
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User’s Manual
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 2400MHz ~ 2483.5MHz
NUMBER OF CHANNEL 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.
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RTL8188CE
User’s Manual
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: TX2-RTL8188CE”.
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.
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User’s Manual
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.
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RTL8188CE
User’s Manual
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」
Realtek Semiconductor Corp.
Headquarters
No. 2, Innovation Road II, Hsinchu Science Park,
Hsinchu, 300, Taiwan, R.O.C.
Tel: 886-3-5780211 Fax: 886-3-5776047
www.realtek.com.tw
9 Rev.1.0

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