PDF RTL8188EUS Data sheet ( Hoja de datos )

Número de pieza RTL8188EUS
Descripción SINGLE-CHIP IEEE 802.11b/g/n 1T1R WLAN
Fabricantes Realtek 
Logotipo Realtek Logotipo

Total 19 Páginas
RTL8188EUS Hoja de datos, Descripción, Manual
ential frized toSINGLE-CHIP IEEE 802.11b/g/n 1T1R WLAN
altek concfuimdent auWtEhRoSHENZ1H5E:N11:34DATASHEET
e o O(CONFIDENTIAL: Development Partners Only)
R e d CHP -16 Rev. 0.2
h I 5 27 Mar. 2012
T R 0 Track ID:
2-Realtek Semiconductor Corp.
1No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
20Tel.: +886-3-578-0211. Fax: +886-3-577-6047

1 page

RTL8188EUS pdf
1. General Description
The Realtek RTL8188EUS is a highly integrated single-chip 802.11n Wireless LAN (WLAN) network
USB interface (USB 1.0/1.1/2.0 compliant) controller. It combines a WLAN MAC, a 1T1R capable WLAN
baseband, and WLAN RF in a single chip. The RTL8188EUS provides a complete solution for a high
sthroughput performance integrated wireless LAN device.
file oThe RTL8188EUS WLAN baseband implements Orthogonal Frequency Division Multiplexing (OFDM)
with 1 transmit and 1 receive path and is compatible with the IEEE 802.11n specification. Features include
tone spatial stream transmission, short guard interval (GI) of 400ns, spatial spreading, and transmission over
l20MHz and 40MHz bandwidth.
tia zedFor legacy compatibility, Direct Sequence Spread Spectrum (DSSS), Complementary Code Keying (CCK)
n iand OFDM baseband processing are included to support all IEEE 802.11b and 802.11g data rates.
e rDifferential phase shift keying modulation schemes, DBPSK and DQPSK with data scrambling capability,
d o Nare available, and CCK provides support for legacy data rates, with long or short preamble. The high-speed
i h EFFT/IFFT paths, combined with BPSK, QPSK, 16QAM, and 64QAM modulation of the individual
f t Hsubcarriers and rate compatible punctured convolutional coding with coding rate of 1/2, 2/3, 3/4, and 5/6,
n u Zprovide higher data rates of 54Mbps and 150Mbps for IEEE 802.11g and 802.11n OFDM respectively.
co t a HEN :34The RTL8188EUS WLAN Controller builds in an enhanced signal detector, an adaptive frequency domain
k n S 1equalizer, and a soft-decision Viterbi decoder to alleviate severe multi-path effects and mutual interference
e e 1in the reception of multiple streams.
alt cum WER 15:Efficient IQ-imbalance, DC offset, phase noise, frequency offset, and timing offset compensations are
e o Oprovided for the radio frequency front-end. Selectable digital transmit and receive FIR filters are provided
R d P 6to meet transmit spectrum mask requirements and to reject adjacent channel interference, respectively.
The RICH 05-1The RTL8188EUS WLAN Controller supports fast receiver Automatic Gain Control (AGC) with
synchronous and asynchronous control loops among antennas, antenna diversity functions, and adaptive
-transmit power control function to obtain the better performance in the analog portions of the transceiver.
2012The RTL8188EUS WLAN 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
Single-Chip IEEE 802.11b/g/n 1T1R WLAN Controller
with USB Interface
Track ID: JATR-2265-11 Rev. 0.1

5 Page

RTL8188EUS arduino
4. Pin Assignments
ltek confuimdeennttiaaultEhRfoirSliHezEseNdZH5tE:oN11:34Figure4.PinAssignments
Rea doc HPOW 16 14.1. Package Identification
e C -‘Green’ package is indicated by a ‘G’ in the location marked ‘T’ in Figure 4.
Th RI 055. Pin Descriptions
-The following signal type codes are used in the tables:
12I: Input
20T/S: Tri-State bi-directional input/output pin
O: Output
S/T/S: Sustained Tri-State
Single-Chip IEEE 802.11b/g/n 1T1R WLAN Controller
with USB Interface
Track ID: JATR-2265-11 Rev. 0.1

11 Page

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