LV24010LP Datasheet, PDF (11/18 Pages) Sanyo Semicon Device – Bi-CMOS LSI Compact Portable Equipment 1-Chip FM+RDS Tuner IC

LV24010LP
Block 1, Register 0Dh - RADIO_STAT - Radio Station Status Register (Read-only)
7
6
5
4
3
2
1
RSS_MS
bit 7:
RSS_MS: Radio station mono/stereo state bit.
0 = Mono.
1 = Stereo.
RSS_FS
bit 6-0:
RSS_FS[6:0]: Radio station field strength bits.
1111111b = Field strength less then 10dBµV.
0111111b = Field strength between 10 to 20dBµV.
0011111b = Field strength between 20 to 30dBµV.
0001111b = Field strength between 30 to 40dBµV.
0000111b = Field strength between 40 to 50dBµV.
0000011b = Field strength between 50 to 60dBµV.
0000001b = Field strength between 60 to 70dBµV.
0000000b = Field strength above 70dBµV.
Note: Reading this register will clear field strength and mono/stereo interrupt.
Block 1, Register 0Eh - IRQ_ID - Interrupt Identify Register (Read-only)
7
6
5
4
3
2
Reserved
II_RDS
II_CNT2
Reserved
II_AFC
Reserved
bit 7:
Reserved: should be read as 1.
bit 6:
II_RDS: RDS data available interrupt.
0 = No counting 2 counting done interrupt.
1 = Measuring with counter 2 is done.
bit 5:
II_CNT2: Counter 2 counting done flag.
0 = No counting 2 counting done interrupt.
1 = Measuring with counter 2 is done.
bit 4:
Reserved: should be read as 0.
bit 3:
II_AFC: AFC out of range interrupt bit.
0 = No AFC interrupt.
1 = AFC fails to hold the RF-frequency in range.
bit 2:
Reserved: should be read as 0.
bit 1:
Reserved: should be read as 0.
bit 0:
II_FS_MS: Field strength and Mono/stereo interrupt bit.
0 = No change in either the field strength or the mono/stereo mode.
1 = Change in field strength bits detected or mono/stereo mode has changed.
1
Reserved
Block 1, Register 0Fh - IRQ_OUT - Set Interrupt Out Register (Write Only)
7
6
5
4
3
2
1
IRQO_VAL[7:0]
bit 7-0:
IRQO_VAL[7:0]: Write any value to this register will select the interrupt as output on the DATA-line of
the LV24010 (the DATA-line can then be used as interrupt pin)
0
0
II_FS_MS
0
No.A0466-11/18