LV25400W Sanyo Semicon Device, LV25400W Datasheet - Page 26

• Manufacturer Part Number: LV25400W
• Description: DSP Tuner Front End
• Manufacturer: Sanyo Semicon Device

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Serial Data I/O Procedures
[1]
[2]
[3]
The LV25400W uses the SANYO audio IC serial bus format. Data is input and output using a CCB (Computer Control
Bus). The LV25400W adopts an 8-bit address version of the CCB format.
I/O mode
IN1B
IN2B
IN3B
IN1
IN2
IN3
CE
CL
DI
B0
0
0
1
1
1
0
B1
0
1
0
1
0
0
B0
B2
0
0
0
0
0
0
B1
B3
1
1
1
1
1
1
Address
B2
A0
0
0
0
0
0
0
A1
1
1
1
1
1
1
B3
A2
0
0
0
0
1
1
LV25400W
A0
A3
0
0
0
0
0
0
A1
• Control data input mode. PLL setup
• 32 bits of data are input
• IN1B is the 2-tuner mode address (when pin 42 is tied to ground)
• Control data input mode. PLL setup
• 32 bits of data are input
• IN2B is the 2-tuner mode address (when pin 42 is tied to ground)
• 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 42 is tied to ground)
A2
A3
I/O mode determined
Contents
First Data IN1/2
No.A0633-26/42
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