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CXD1922Q
MPEG-2 Video Encoder
Description The CXD1922Q is a highly-integrated device including MPEG-2 encoder, motion estimation, and system and rate controller on a single chip. The device is ideal for low-cost solutions in consumer products, storage media, communications and authoring applications. The CXD1922Q supports MPEG-2 MP@ML encoding compliant with ISO/IEC 13818-2 for frame structure encoding. Features MPEG-2 Encoding * High quality, real-time encoding (I, B, P) * Supports MP@ML, SP@ML -- Image size: up to NTSC 720x480 @ 30fps up to PAL 720x576 @ 25fps -- Up to 2 "B-frame" (M 3) -- Frame structure * Encoding rates: -- Max. bit-rates: 15Mbps (P, B) 25Mbps (I only) * MPEG-2 Video Elementary Stream Output -- 4:2:0 chroma format encoding Motion Estimation * Adaptive motion estimation algorithms * Wide motion vector search range: -- Horizontal: -288 to +287.5 -- Vertical: -96 to +95.5 * Frame/field motion estimation * Half-pel accuracy * Dual-prime encoding support Encoding Controller (Closed) * Programmable rate and system control * Host independent operation * CBR and VBR encoding support * Constant length coding for storage media * Adaptive frame/field MC/DCT coding * Programmable parameters including: -- Bit rate -- GOP structure (M&N value) -- Encoding image size -- Quantization matrix tables, etc. Interfaces * Host: 16-bit controller * Input video: 4:2:2 YUV CCIR 656 (8-bit parallel) * Output video: 8-bit video elementary stream (8-bit parallel) * External memory: 32Mbits -- Supports SDRAM (e.g. 512K x 16 x 2-chips) Other: * Supports MPEG-1 encoding * Multi-level temporal noise reduction * Image conversion for free size encoding * 4:2:2 to 4:2:0 video conversion * Automatic scene change detection * Automatic 3:2 pull-down inversion * Error concealment I-frame motion vectors * Support for user data insertion in encoded stream 208-Pin QFP (Plastic)
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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Advance Information
CXD1922Q
Block Diagram
SDRAM 16Mbit (1M x 16-bit) SDRAM 16Mbit (1M x 16-bit)
SDRAM I/F
VIDEO IN
PRE
ME/MC
DCT/Q, IDCT, IQ
FRM/VLC
Host I/F
VIDEO OUT Elementary Stream
HOST
Controller (DSP)
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Advance Information
CXD1922Q
Pin Configuration
HADR10 HDAT10 HDAT11 HDAT12 HDAT13 HDAT14 HDAT15 HADR0 HADR1 HADR2 HADR3 HADR4 HADR5 HADR6 HADR7 HADR8 HDAT0 HDAT1 HDAT2 HDAT3 HDAT4 HDAT5 HDAT6 HDAT7 HDAT8 HDAT9 HADR9 DREQ 106 DONE DACK TRST HWR
HRD
CCK
HCS
VDD
VDD
VDD
VDD
VDD
VCK
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
156
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STB
IRQ
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TCK TPLL AVD AVS TM VSS VDD SCK EXMV EXMVWE LOIRE FCE LOI LOS7 LOS6 LOS5 VDD VSS LOS4 LOS3 LOS2 MPEG2 LOS1 LOS0 LOSWE LOST PAL QCK VSS VDD SDD0 SDD1 SDD2 SDD3 VSS SDD4 SDD5 SDD6 SDD7 VDD VSS SDD15 SDD14 SDD13 SDD12 VSS SDD11 SDD10 SDD9 SDD8 VDD VSS
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105
VSS 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80
HCK RST BADR11 BADR12 VSS VDD BADR13 BADR14 BOOT BOOTRD VSS BS0 BS1 BS2 BS3 VSS VDD BS4 BS5 BS6 BS7 HCTRL BSRE BSRDY PBGP RCP VSS VDD TSI TSIRE SMD SMDWE RORE ENC SRST BCK VSS VDD VIN7 VIN6 VIN5 VIN4 VIN3 VIN2 VIN1 VIN0 VSS VDD HS VS FID VSS
TOP VIEW
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51 SDA2
VDD
VDD
VDD
SDUDM
SDWE
EXCK
SDA11
SDA10
SDOE
SDA9
SDA8
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SDA6
SDA5
SDA4
VDD
VSS
VSS
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VSS
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VSS
SDA0
SDA1
SDLDM
SDD16
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SDD19
SDD20
SDD21
SDD22
SDD23
SDD31
SDD30
SDD29
SDD28
SDD27
SDD26
SDD25
SDD24
SDCK
SDCKE
SDRAS
SDCAS
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SDCS
SDA3
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Advance Information
CXD1922Q
Sony Semiconductor Company of America, 3300 Zanker Road, San Jose, CA 95134 Tel: 1-800-288-SONY Fax: 408-955-5176 URL: www.sony.com/semi
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