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| 型號： | IBM39STB13010PFA16C |
| 文件頁數(shù)： | 3/25頁 |
| 文件大?。?/td> | 112K |
| 代理商： | IBM39STB13010PFA16C |
IBM39MPEGS42x
IBM39MPEGSI
MPEG S422, MPEG S420 and MPEG SI Encoders
Sseries_sds_071701.fm.
02
July 17, 2001
Description
3 of 25
Programmable conversion of 4:2:2 chroma format to 4:2:0 chroma format
Selectable compression parameters and controls
Interfaces directly to standard 3.3 V/5.0 V SDRAM/SGRAM/SSRAM
JTAG for system test
CMOS 0.27
m technology packaged in 35 mm plastic ball grid array module with 352 I/Os and 1.7 watts
nominal power dissipation
Part number: IBM39 MPEGSI PBA 18C
Description
MPEGS422 Professional Studio Encoder
MPEGS422 Professional Studio Encoder maintains IBM’s leadership position in 4:2:2 profile applications and
addresses the special needs of high quality applications. The chip supports MPEG-2 IBP encoding for 4:2:2
Profile at Main Level and compressed data rates up to 50 Mb/s. It maintains this conformance with a search
range of +/-101H, +/-64V.
MPEGS420 Professional Broadcast Encoder
IBM’s MPEGS420 Professional Broadcast Encoder provides real-time 4:2:0 MPEG-2 encoding at CCIR601
resolution. The MPEG420 offers high performance and functionality at a search range of +/- 101H, +/-64V
and data rates up to 50 Mb/s. The MPEGS420 can also be configured by the user for 15Mb/s (or less) com-
pressed data rates, and for a search range of +/-64H, +/-56V. This allows ASRAM to replace SSRAM on the
search memory interface. User selectable chrominance down sampling from 4:2:2 and 4:2:0 in either pro-
gressive or interlaced mode assures color quality.
MPEGSI Intra-Frame Encoder
IBM’s MPEGSI Intra-Frame Encoder offers the flexibility and editability of an intra-frame bitstream along with
the excellent picture achieved through many of the rate control features available on the MPEGS422 product.
Image statistics and user-specified encoding functions combine to produce high quality images at rates of up
to 50Mb/s. The MPEGSI is a low power solution, well suited for applications with high picture quality and min-
imal hardware requirements.
Ordering Information
Ordering Information
Part Number
Highest Profile
@Level
Clock Frequency
GOP Type
Chroma Output
Format
Power(Nominal)
IBM39MPEGS422PBA17C
4:2:2@ML
60 MHz
I,IP,IPB,IPBB,IB,IBB
4:2:2, 4:2:0
4.4W
IBM39MPEGS420PBA18C
MP@ML
57 or 60 MHz
I,IP,IPB,IPBB,IB,IBB
4:2:0
4.1W
IBM39MPEGSIPBA18C
4:2:2@ML
57 or 60 MHz
I
4:2:2, 4:2:0
1.7W
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