Document
S5N8944B
G.Lite ADSL Transceiver for CO and CPE
Preliminary Information (Revision 2.1) June 2000
SAMSUNG ELECTRONICS CONFIDENTIAL PROPRIETARY
Copyright © 2000 Samsung Electronics, Inc. All Rights Reserved
S5N8944B
G.Lite ADSL Transceiver for CO and CPE
Contents
1. 2. 3. 4. 5. 6. 7. 8. 9. Features............................................................................................................................5 General Description .........................................................................................................5 Logical Symbol Diagram..................................................................................................6 Pin Configuration .............................................................................................................7 Pin Description.................................................................................................................8 Functional Description...................................................................................................11 I/O Timing Description ...................................................................................................13 Electrical Characteristics...............................................................................................17 Package Description ......................................................................................................20
CONFIDENTIAL
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Preliminary Information (Rev.2.1 )
S5N8944B
G.Lite ADSL Transceiver for CO and CPE
List of Figures
Figure 1: General Block Diagram ...................................................................................... 5 Figure 2: Logical Symbol Diagram of the S5N8944B ......................................................... 6 Figure 3: Pin Configuration of the S5N8944B .................................................................... 7 Figure 4: Functional Block Diagram of the S5N8944B ..................................................... 12 Figure 5: AFE Data I/F Timing Diagram........................................................................... 13 Figure 6: AFE Control I/F Timing Diagram....................................................................... 13 Figure 7: Motorola Read Cycle Timing Diagram .............................................................. 14 Figure 8: Motorola Write Cycle Timing Diagram .............................................................. 14 Figure 9: Intel Read Cycle Timing Diagram ..................................................................... 15 Figure 10: Intel Write Cycle Timing Diagram ................................................................... 15 Figure 11: Non-ATM I/F (Byte Mode) Timing Diagram ..................................................... 16 Figure 12: Non-ATM I/F (Envelope Mode) Timing Diagram ............................................. 16 Figure 13: ATM I/F (UTOPIA-2 Transmit) Timing Diagram............................................... 17 Figure 14: ATM I/F (UTOPIA-2 Receive) Timing Diagram................................................ 17 Figure 15: 160-QFP Package Diagram............................................................................ 20
CONFIDENTIAL
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Preliminary Information (Rev.2.1 )
S5N8944B
G.Lite ADSL Transceiver for CO and CPE
List of Tables
Table 1: Pin Description of the S5N8944B......................................................................... 8 Table 2: Absolute Maximum Ratings ............................................................................... 18 Table 3: Recommended Operating Conditions ................................................................ 18 Table 4: Power Dissipation.............................................................................................. 18 Table 5: DC Characteristics ............................................................................................ 19
CONFIDENTIAL
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Preliminary Information (Rev.2.1 )
S5N8944B
G.Lite ADSL Transceiver for CO and CPE
1. Features
• Full Compliance with ITU-T G.Lite and G.hs • FDM based DMT Line Coding • Data Rate: Up to 3.5 Mbps for Downstream and 600 kbps for Upstream. • Reach: 5.4 km (18 kft) on 24 AWG and 4 km (13.5kft) on 26 AWG • Rate Adaptive Modem (steps of 32kbps) • Reed-Solomon Forward Error Correction with Interleaver • Frequency and Time Domain Equalizer • Support Fast Retraining Function • Support Network Management Function • Support Power Management Function • Host Interface (Intel/Motorola) and ATM(UTOPIA-2)/non-ATM Interface • 0.25µ m, 2.5V CMOS Technology • Operating Temperature: -40 °C to 85 °C • Package Type: 160-QFP
2. General Description
The S5N8944B is a complete ATM-based rate adaptive G.Lite ADSL modem solution with associated F/W and an Analog Front-End (S5N8943). The S5N8944B provides all the digital functions such as ATM TC, FEC codec with interleaver/de-interleaver, adaptive QAM codec, FFT/IFFT, equalizers, digital filters and so on. Ther.