參數資料
型號: LV25450PNW
元件分類: 調諧器
英文描述: AUDIO TUNER, PQFP64
封裝: 10 X 10 MM, SQFP-64
文件頁數: 18/40頁
文件大?。?/td> 1251K
代理商: LV25450PNW
LV25450PNW
Serial Data I/O Procedures
The LV25450PNW uses the SANYO audio IC serial bus format. Data is input and output using a CCB (Computer
Control Bus). The LV25450PNW adopts an 8-bit address version of the CCB format.
Address
I/O mode
B0
B1
B2
B3
A0
A1
A2
A3
Contents
IN1
0
1
0
1
0
[1]
IN1B
0
1
0
1
0
1
0
Control data input mode. PLL setup
32 bits of data are input
IN1B is the 2-tuner mode address (when pin 43 is tied to ground)
IN2
1
0
1
0
1
0
[2]
IN2B
1
0
1
0
1
0
Control data input mode. PLL setup
32 bits of data are input
IN2B is the 2-tuner mode address (when pin 43 is tied to ground)
IN3
1
0
1
0
1
0
[3]
IN3B
0
1
0
1
0
The tuner block is set up in control data input (serial data input) mode.
32 bits of data are input - There is a sub-address
IN3B is the 2-tuner mode address (when pin 43 is tied to ground)
First Data IN1/2
A3
A2
A1
A0
B3
B2
B1
B0
DI
I/O mode determined
CE
CL
i) Serial data inputs (IN1/IN2/IN3) tSU, tHD, tES, tEL, tEH
> 0.45μs tLC < 0.45μs
CE
CL
tSU
tHD
DT
B0
B1
B2
B3
A0
A1
A2
A3
P0
P1
P2
P3
*
CTS GT0 GT1
Internal data
tEL
tES
tLC
tEH
(*1) Since the DO pin is an N-channel open drain circuit, the times for the data to change will differ depending on the
value of the pull-up resistor and printed circuit board capacitance.
(*2) The DO pin is normally left open.
No.A1668-25/40
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