參數(shù)資料
型號: L64780
廠商: LSI Corporation
英文描述: DVB-T COFDM Demodulator(對地數(shù)字視頻廣播 正交編碼頻率分割多路處理解調(diào)器)
中文描述: 的DVB - T COFDM解調(diào)器(對地數(shù)字視頻廣播正交編碼頻率分割多路處理解調(diào)器)
文件頁數(shù): 44/126頁
文件大小: 953K
代理商: L64780
3-8
Interfaces
3.2 MUXIN Interface
The MUXIN bus lets you enter data (or test vectors) into the device at
specific locations, which lets you bypass some front functional blocks and
test an internal functional block.
Important:
This interface is used for LSI Logic internal testing and is
not intended for use in customer production receivers.
The MUXIN bus (MUXINBUS) is a 27-bit wide bus, multiplexed with the
bypass ADC bus (DIGADCIN[9:0]).
Table 3.1
shows the bus mapping.
Table 3.1
MUXINBUS Mapping
Clocking data into the chip is very simple because the L64780 offers a
clock output (CLKMUXIN) that automatically has the correct phase and
frequency. CLKMUXIN automatically selects the correct internal clock,
depending on the block selected. Figure 3.15 shows how to connect
external logic that brings the data to the MUXINBUS.
Figure 3.15 MUXIN Signals Interface
MUXINBUS[26:10]
MUXINBUS[9:0]
MUXIN[16:0]
DIGADCIN[9:0]
CLKMUXIN
MUXINBUS[26:0]
L64780
CLK
TEST_VECTOR
DATA GENERATOR
27
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