PD178016GC-051_15 Datasheet, PDF (77/96 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER WITH BUILT-IN PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR AUTOMOTIVE FM/MW/LW RADIO APPLICATIONS

10.2 Auto Up/Down
10.2.1 Normal seek
µPD178016GC-051
MUTE ^{<1> <4> <5><6> <7> <8>}
30 ms 50 ms
20 ms 8-12 ms
<15>
200 ms
Key on
SD found IF found
However, time <7> is 600 ms and time <15> is 500 ms if a band edge is detected in the middle.
Time <8> is 16 to 24 ms in the AM band.
If an error occurs in <7> or <8>, the next frequency is received (<5>).
10.2.2 RDS seek
MUTE ^{<1> <4> <5><6> <7> <8>}
30 ms 50 ms
20 ms 8-12 ms
<9>
150 ms
<10>
Within 500 ms
<15>
200 ms
Key on
SD found IF found
PI found
However, time <7> is 600 ms and time <15> is 500 ms if a band edge is detected in the middle.
If an error occurs in <7>, <8>, or <10>, the next frequency is received (<5>).
10.2.3 PI seek
MUTE ^{<1> <4> <5><6> <7> <8>}
30 ms 50 ms
20 ms 8-12 ms
<9>
150 ms
<10>
Within 500 ms
<15>
200 ms
Key on
SD found IF found
PI found, match
However, time <7> is 600 ms and time <15> is 500 ms if a band edge is detected in the middle.
If an error occurs in <7>, <8>, or <10>, the next frequency is received (<5>).
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