LV25200M_10 Datasheet, PDF (24/45 Pages) Sanyo Semicon Device – Single chip Tuner IC for Car Radio

LV25200M
Serial Data I/O Method
This is the Sanyo Audio IC serial bus format. Data I/O is made with CCB (Computer Control Bus).
LV25200M is the 8-bit address type CCB.
I/O
mode
Address
B0 B1 B2 B3 A0 A1 A2 A3
Description
[1] IN1
• Control data input (serial data input) mode. PLL setting
0
0
0
1
0
1
0
0
• 32-bit data input
[2] IN2
• Control data input (serial data input) mode. PLL setting
1
0
0
1
0
1
0
0
• 32-bit data input
[3] IN3
• Control data input (serial data input) mode, set by the tuner
1
0
0
1
0
1
1
0
• 32-bit data input with sub-address
• Output data (serial data output) mode
[4] OUT
0
1
0
1
0
1
0
0
• Output of data corresponding to the clock amount. Max 48 bits
I/O mode determination
CE
CL
DI
B0 B1 B2 B3 A0 A1 A2 A3
First Data IN1/2
DO
First Data OUT
i) Serial data input (IN1/IN2/IN3) tSU, tHD, tES, tEL, tEH, > 0.45μs tLC < 0.45μs
tE _L
tES
CE
CL
tSU
tHD
DI
B0 B1 B2 B3 A 0 A1 A2
A3
P0 P1 P2 P3
Internal data
tEH
* CTS GT0 GT1
tLC
ii) Serial data output (OUT) tSU, tHD, tES, tEL, > 0.45μs tDC, tDH < 0.2μs (*1)
tE _L
tES
tEH
CE
CL
tSU
tHD
DI
B0 B1 B2 B3 A 0 A1 A2 A3
tDC
DO
(*2)
I5 I4
tDH
AD13 A D12 AD11 AD10
(*2)
(*1) As the DO pin is the Nch open drain pin, so that the data change time varies depending on the pull-up resistance
and substrate capacity.
(*2) Normally, keep the DO pin in the OPEN state.
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