WJCE6355 Intel, WJCE6355 Datasheet - Page 3

• Manufacturer Part Number: WJCE6355
• Description: Demodulator 64-Pin LQFP
• Manufacturer: Intel

Specifications of WJCE6355

• Package: 64LQFP
• Operating Temperature: -40 to 85 °C

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Legal information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Change History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1 Pin & Package Details.......................................................................................................................................................................7
2 Functional Description ..................................................................................................................................................................11
3 Interfaces.............................................................................................................................................................................................15
4 Electrical Characteristics .............................................................................................................................................................21
1.1 Package dimensions........................................................................................................................................................... 7
1.2 Pin Outline ............................................................................................................................................................................... 7
1.3 Pin Allocation ......................................................................................................................................................................... 8
1.4 Pin Description...................................................................................................................................................................... 9
2.1 Analogue-to-Digital Converter.................................................................................................................................. 12
2.2 Automatic Gain Control ................................................................................................................................................. 12
2.3 IF to Baseband Conversion ......................................................................................................................................... 12
2.4 Adjacent Channel Filtering .......................................................................................................................................... 13
2.5 Interpolation and Clock Synchronisation............................................................................................................. 13
2.6 Carrier Frequency Synchronisation........................................................................................................................ 13
2.7 Symbol Timing Synchronisation............................................................................................................................... 13
2.8 Fast Fourier Transform................................................................................................................................................. 13
2.9 Common Phase Error Correction ............................................................................................................................. 13
2.10 Channel Equalisation ................................................................................................................................................... 13
2.11 Impulse Filtering............................................................................................................................................................. 13
2.12 Transmission Parameter Signalling (TPS)........................................................................................................ 13
2.13 De-Mapper......................................................................................................................................................................... 14
2.14 Symbol and Bit De-Interleaving............................................................................................................................. 14
2.15 Viterbi Decoder............................................................................................................................................................... 14
2.16 MPEG Frame Aligner .................................................................................................................................................... 14
2.17 De-interleaver ................................................................................................................................................................. 14
2.18 Reed-Solomon Decoder ............................................................................................................................................. 14
2.19 De-scrambler.................................................................................................................................................................... 14
2.20 MPEG Transport Interface........................................................................................................................................ 14
3.1 2-Wire Bus............................................................................................................................................................................ 15
3.2 MPEG........................................................................................................................................................................................ 17
4.1 Operating Conditions...................................................................................................................................................... 21
4.2 Absolute Maximum Ratings........................................................................................................................................ 21
4.3 DC Electrical Characteristics....................................................................................................................................... 22
4.4 AC Electrical Characteristics....................................................................................................................................... 22
4.5 Crystal Specification and External Clocking ...................................................................................................... 23
3.1.1 Host............................................................................................................................................................................................................................15
3.1.2 Tuner.........................................................................................................................................................................................................................15
3.1.3 Examples of 2-wire bus messages:..........................................................................................................................................................16
3.1.4 Primary 2-wire bus timing.............................................................................................................................................................................16
3.2.1 Data Output Header Format........................................................................................................................................................................17
3.2.2 MPEG Data Output Signals............................................................................................................................................................................18
3.2.3 MPEG Output Timing ........................................................................................................................................................................................18
3.2.4 MOCLKINV = 1......................................................................................................................................................................................................18
3.2.5 MOCLKINV = 0......................................................................................................................................................................................................19
4.5.1 Selection of External Components...........................................................................................................................................................24
4.5.1.1 Loop Gain Equation..............................................................................................................................................................................24
Table of Contents
Intel Corporation
CE6355
Data Sheet
3