參數(shù)資料
型號(hào): CXD1945R
元件分類: 收發(fā)器
英文描述: Transceiver
中文描述: 收發(fā)器
文件頁數(shù): 4/4頁
文件大?。?/td> 174K
代理商: CXD1945R
–4–
The CXD1959 provides the interface between
a host CPU and the PC Card (e.g. POD). The host
is able to configure the interface and read and
write to the PC Card. The PC Card is one of two
types: memory or I/O (e.g. POD). Memory cards
are supported, as described in PC Card Standard,
and POD modules as described in DVS131. The
scrambled Transport Stream (TS) from the front-
end demodulator is switched to a detachable CA
module where it is descrambled and DES encrypt-
ed (copy protected) before being passed across the
slot (PCMCIA) and back into the CXD1959R
where it is decrypted and output "in-the-clear" to
the transport processor. The basic operation is
illustrated in figure 2.
One of the key benefits of the CXD1959R is
the serial transport stream (TS) option, which will
reduce signal routing complexity on the printed
circuit board. Another key benefit is Hot Swap
Engine feature that provides the hot swap capabil-
ity without software intervention. In addition, the
Des/DVB options provide encryption capabilities
that satisfy both the European and North
American requirements.
Photo 1. CXD1959 Evaluation Board
Cxd1959 Evaluation board
Sony also offers an evaluation platform for
customers to speed up their design and develop-
ment process. A software device driver is provid-
ed with the evaluation board (shown Photo 1) to
minimize the effort of the customer. Later this
year, additional higher layer (Link, transport, ses-
sion and applications) software will be available
from Sony. Together, this will be a complete refer-
ence design for the STB, further shortening the
time-to-market factor.
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