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参数资料
| 型号： | L64724BC |
| 厂商： | LSI CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | PLASTIC, TQFP-80 |
| 文件页数： | 30/32页 |
| 文件大小： | 338K |
| 代理商： | L64724BC |
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L64724 Satellite Receiver
7
Channel Clock Interface
CLK
IVIN/QVIN Input Clock
Input
CLK is a positive, edge-triggered clock that strobes input
data to the L64724.
XOIN
Crystal Oscillator In
Input
The XOIN pin is used for a crystal oscillator or external
reference clock input.
XOOUT
Crystal Oscillator Out
Output
The XOOUT pin is the crystal oscillator output pin.
Channel Data Output Interface
The Channel Data Output Interface is the output path from the L64724.
It is typically connected to the input of the transport demultiplexer in a
set-top decoder application.
BCLKOUT
Byte Clock Out
Output
The BCLKOUT output signal is a strobe that indicates
valid data bytes on the CO[7:0] bus when the L64724 is
in Parallel Channel Output mode. The BCLKOUT signal
cycles once every valid output data byte and is used by
the transport demultiplexer to latch output data from the
L64724 at the BCLKOUT rate. The BCLKOUT signal
must be disregarded in Serial Channel Output mode.
CO[7:0]
Channel Data Out
Output
The CO[7:0] signals form the decoded output data port.
In Parallel Channel Output mode (OF=1, Group 4, APR
17) the L64724 outputs the channel data as 8-bit wide
parallel data on the CO[7:0] signals. In Serial Channel
Output mode (OF = 0) the L64724 outputs the channel
data as serial data on CO[0]. It is latched on every bit
clock cycle. The chronological ordering in Serial Channel
output mode is MSB oldest, LSB newest.
COE
Channel Output Enable
Input
When asserted, the COE signal enables the
ERROROUT, CO[7:0], DVALIDOUT, BCLKOUT, and
FSTARTOUT pins. Operation of the receiver continues
regardless of the state of the COE signal.
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