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Philips Semiconductors
User Manual of High-End RDS/EON
Car Radio System CCR612 (V0.3)
Application Note
96029
Layout of NVM
sub
address
function meaning / encoding
08 system status bit 0/1/2 Band 000 = FM1
001 = FM2
010 = FM-AST
011=MW
100 = MW-AST
101=LW
110=SW
bit 3 0 = NV PS name is not ok 1 = NV PS name is ok
bit 4,5,6 TA volume level 6 5 4
-8dB 000
-6dB 001
-4dB 010
-12 dB 0 1 1
-10 dB 1 0 0
7 Unused
09-0A NVM check code BCD encoded (1 nibble per digit). Most significant digit in leftmost
position
0B-0E presets 0B high nibble FM1 low nibble FM2
0C high nibble FM-AST low nibble MW
0D high nibble MW-AST low nibble LW
0E SW
Each nibble: 1-6 last used preset
0 not in preset mode
0F-38 PI codes 0F - 1C FM-1
1D - 2A FM-2
2B - 38 FM-AST
For each band: 00,01 PI code for manual/search tuned
frequency
02,03 PI code for preset-1
........
0C,0D PI code for preset-6
73