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SAA6588T Datasheet(PDF) 14 Page - NXP Semiconductors

Part No. SAA6588T
Description  RDS/RBDS pre-processor
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 14 page
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1997 Sep 01
14
Philips Semiconductors
Product specification
RDS/RBDS pre-processor
SAA6588
Table 11 Default values of the write register bits after
reset
READ TRANSMISSION FORMAT
Table 12 Description of decoder and data status
information byte (byte 0R)
BIT
VALUE
COMMENTS
SQCM
0
triggered signal quality
measurement
TSQD
0
no determination of signal
quality
NWSY
1
restart of synchronization
SYM1 and SYM0 00
no error correction during
synchronization
RBDS
0
RDS processing mode
PL1 and PL0
00
pause level 12 mV
DAC1 and DAC0
00
DAVA mode RDS
standard output mode
FEB5 to FEB0
100000 flywheel = 32 decimal
PTF1 and PTF0
00
oscillator
frequency = 4.332 MHz
(SOSC = 1);
pause time = 20.2 ms
(SOSC = 0)
SQS4 to SQS0
01111
gain = 0 dB
BYTE
BIT
NAME
FUNCTION
0R
7 to 5 BL2 to BL0 block identification number
of last processed block;
see Table 13
4
SYNC
0: not synchronized
1: synchronized
3
DOFL
0: no data overflow
1: data overflow detected
2
RSTD
0: no reset detected
1: reset detected
1
ELB1
error status of last
processed block;
see Table 14
0
ELB0
Table 13 Block identification number (last detected block)
Table 14 Processed error correction
Table 15 Bytes 1R to 6R
BL2/
BP2
BL1/
BP1
BL0/
BP0
BLOCK IDENTIFICATION
0
0
0
block A
0
0
1
block B
0
1
0
block C
0
1
1
block D
1
0
0
block C’
1
0
1
block E
(RBDS mode)
1
1
0
invalid block E
(RDS mode)
1
1
1
invalid block
ELB1/
EPB1
ELB0/
EPB0
MODE
DESCRIPTION
0
0
ERDA
no errors detected
0
1
ERDB
burst error of maximum
2 bits corrected
1
0
ERDC
burst error of maximum
5 bits corrected
1
1
ERDD
uncorrectable block
BYTE
BIT
NAME
FUNCTION
1R
7 to 0
M15 to
M08
HIGH byte of last
processed block
2R
7 to 0
M07 to
M00
LOW byte of last
processed block
3R
7 to 0
PM15 to
PM08
HIGH byte of previously
processed block
4R
7 to 0
PM07 to
PM00
LOW byte of previously
processed block
5R
7 to 2
BEC5 to
BEC0
number of counted block
errors (0 to 63)
1
EPB1
error status of previously
processed block;
see Table 14
0
EPB0
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
SQI0
signal quality indication
(0 to 15)




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