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| 型号： | IBM39STB02101PBA22C |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA352 |
| 封装： | PLASTIC, BGA-352 |
| 文件页数： | 3/39页 |
| 文件大小： | 503K |
| 代理商： | IBM39STB02101PBA22C |
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IBM39STB0210x
Advance
STB0210x Digital Set-Top Box Integrated Controllers
STB02_sds_0327.fm.01
March 27, 2000
Architecture and Subsystem Information
Page 11 of 39
Uses a locatable Audio Temporary Data and Decoded Audio Data Bank region (programmable base reg-
ister with 128-byte location granularity with additional offset register).
Includes 256x and 512x DAC sampling clock frequency congurations.
Has a programmable stream ID register with corresponding 8-bit enable eld.
Provides three PCM output formats in 16- or 20-bit precision:
-I2S
- Left-justied
- Right-justied
Performs audio bitstream error concealment, either by frame repeats or muting, due to loss of synchroni-
zation or detection of CRC errors.
Performs MPEG error checking using frame size calculation for each frame.
Provides a programmable interface that supports the following:
- Play, stop, and mute
- Rate buffer purge to support channel and mode changes
- Provides compressed buffer empty/full indicators
- Synchronization enable/disable for PTS-STC comparison
- Provides buffer fullness value
Includes SPDIF meeting IEC61937 specs.
Supports enhanced IEC61937 S/P DIF Channel Status bit by including 16 SPDIF Channel Status bits,
with host control over most of the bits.
Inserts host-controlled validity bit into SPDIF sub-frame via DCR register.
Performs audio attenuation in 64 steps, with smooth transitions between steps.
Provides tone generation with up to 128 generated tones at 31 different durations with seven levels of
attenuation via processor command.
Supports automated channel change.
Supports automated time base change.
NTSC/PAL Digital Encoder Unit with Macrovision Copy Protection1
The multi-standard Digital Encoder converts digital audio/video data into analog National Television System
Committee (NTSC) or Phase Alternate Line (PAL) data output formats (see Macrovision Licensing on page
3). It provides up to six concurrent analog video outputs, including S-Video, composite video, YPbPr, and
RGB. The encoder is compatible with SCART connectors, with support for Macrovision Copy Protection Revi-
sion 7. Analog outputs are driven by 10-bit D/A converters, operating at 27 MHz.
The outputs drive standard
video levels into 75-
loads. It supports closed caption, teletext insertion, and Line 23 WSS (Wide-screen
Signaling) per ITU-R BT.1119. There is a switchable pedestal with gain compensation. Playback of synchro-
nized video data can be locked to the incoming composite video stream.
1. This feature is available only on STB02101, Macrovision license required.
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