参数资料
型号: L64007
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封装: PLASTIC, QFP-160
文件页数: 15/166页
文件大小: 1015K
代理商: L64007
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29 Wed May 28 17:37:25 1997
Draft 1/21/97
L64007 MPEG-2, DVB, JSAT Transport Demultiplexer Technical Manual
4-29
PRE.4 for Rev. D
Copyright 1997 by LSI Logic Corporation. All rights reserved.
FLUSH
MMU Fifo Flush
8
Setting this bit to 1 will ush (clear) the MMU FIFO. See
procedure in Chapter 2.
EXT_VCH_READ_EN
Extended Video Channel Mode Read Enable
7
This bit controls the reading of the extended video chan-
nel buffer. When set to 1, the output control unit (OCU)
is enabled to read this buffer; 0 disables the OCU from
reading this buffer. This bit is functional only when the
DES bit in the VUCR is set to 1. If DES is set to 0, the
extended video channel buffer is bypassed.
This bit can be used to control the start of data transfer
to the L64002 after the channel buffer has accumulated
sufcient data. This provides protection against jitter in
the delivery system.
EXT_ACH_READ_EN
Extended Audio Channel Mode Read Enable
6
This bit controls the reading of the extended audio chan-
nel buffer. When set to 1, the output control unit (OCU)
is enabled to read this buffer; 0 disables the OCU from
reading this buffer. This bit is functional only when the
DES bit in the VUCR is set to 1. If DES is set to 0, the
extended audio channel buffer is bypassed.
This bit can be used to control the start of data transfer
to the L64002 after the channel buffer has accumulated
sufcient data. This provides protection against jitter in
the delivery system.
RES
Reserved
5
This bit is reserved.
AUX_002
Output or L64002 Host Port Interface
4
When the A/V decoder interface is set up to serial mode
(AV_S/P=0) and this bit is set to 0, the AUX port is used
for fast delivery of transport packets from the PPU. When
this bit is set 1, the AUX option is disconnected and the
port is used to handshake with the L64002 host port
interface.
When the A/V decoder is set up to parallel mode
(AV_S/P = 1), AUX mode is not allowed. Setting the
AUX_002 bit to 1 stalls the port from the transport buffers
and lets the external host processor access the L64002
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