Philips Semiconductors
Product specification
RDS/RBDS pre-processor
SAA6588
Table 11 Default values of the write register bits after
Table 13 Block identification number (last detected block)
reset
BL2/
BP2
BL1/
BP1
BL0/
BP0
BLOCK IDENTIFICATION
BIT
VALUE
COMMENTS
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
block A
block B
block C
block D
block C’
SQCM
TSQD
NWSY
0
triggered signal quality
measurement
0
1
no determination of signal
quality
restart of synchronization
SYM1 and SYM0 00
no error correction during
synchronization
block E
(RBDS mode)
RBDS
0
RDS processing mode
pause level 12 mV
1
1
1
1
0
1
invalid block E
(RDS mode)
PL1 and PL0
00
invalid block
DAC1 and DAC0 00
DAVA mode RDS
standard output mode
Table 14 Processed error correction
FEB5 to FEB0
100000 flywheel = 32 decimal
ELB1/ ELB0/
PTF1 and PTF0 00
oscillator
frequency = 4.332 MHz
(SOSC = 1);
pause time = 20.2 ms
(SOSC = 0)
MODE
DESCRIPTION
EPB1
EPB0
0
0
0
1
ERDA no errors detected
ERDB burst error of maximum
2 bits corrected
SQS4 to SQS0
01111 gain = 0 dB
1
1
0
1
ERDC burst error of maximum
5 bits corrected
READ TRANSMISSION FORMAT
ERDD uncorrectable block
Table 12 Description of decoder and data status
information byte (byte 0R)
Table 15 Bytes 1R to 6R
BYTE BIT
0R
NAME
FUNCTION
BYTE BIT
NAME
FUNCTION
7 to 5 BL2 to BL0 block identification number
of last processed block;
1R
2R
3R
4R
5R
7 to 0
M15 to
M08
HIGH byte of last
processed block
see Table 13
7 to 0
M07 to
M00
LOW byte of last
processed block
4
3
2
SYNC
DOFL
RSTD
0: not synchronized
1: synchronized
7 to 0 PM15 to HIGH byte of previously
PM08 processed block
7 to 0 PM07 to LOW byte of previously
PM00 processed block
7 to 2 BEC5 to number of counted block
0: no data overflow
1: data overflow detected
0: no reset detected
1: reset detected
BEC0
EPB1
EPB0
errors (0 to 63)
1
0
ELB1
ELB0
error status of last
processed block;
see Table 14
1
0
error status of previously
processed block;
see Table 14
6R
7 to 5
BP2 to
BP0
block identification number
of previous processed
block; see Table 13
4
−
not used (undefined)
3 to 0
SQI3 to signal quality indication
SQI0 (0 to 15)
1997 Sep 01
14
NXP [ NXP ]
