tea5766uk NXP Semiconductors, tea5766uk Datasheet - Page 24

• Manufacturer Part Number: tea5766uk
• Description: Tea5766uk Stereo Fm Radio + Rds
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TEA5766UK_1
Product data sheet
Fig 9. DAV-A timing diagram
DAVFLG set
on falling edge of
DAVN signal, cleared
on read BL register
registers
decoder
t
p
(1) Bit DOVF set when 2 new blocks received in BL and BP registers.
(2) Instant copy of decoder buffer to BL register and BL to BP register after reading register
(3) In order not to lose D
(4) DOVF is cleared when the BL register is read. To be of use, DOVF has to be read before BL
(5) To prevent DOVF being set again, an extra read of BL must be performed before A2 has been
10 ms
Bus registers
read INTFLG
DOVF (data overflow) bit
RDSR4. The block in BL is considered as a new block.
finishes within 21 ms after DOVF set to logic 1.
and BP registers.
decoded.
being decoded
in the decoder buffer
BP register
BL register
RDS on INTX
read time
DAVFLG
INTX
A
1
Rev. 01 — 22 March 2007
t
p
1
a read must be performed before D
end read INTMSK
21.9 ms
read BL
B
A
B
A
1
x
1
1
1
9.98 ms
C
C
1
B
A
B
1
1
1
1
9.98 ms
(1)
(1)
D
1
C
B
D
C
1
1
1
1
1
enters decoder buffer, thus read
(3)
A
D
(4)
C
B
2
1
TEA5766UK
1
1
(2)
Stereo FM radio + RDS
read BL
A
2
2 ms
D
C
A
D
1
1
2
1
© NXP B.V. 2007. All rights reserved.
(5)
B
A
D
A
2
1
2
1
read BL
B
2
B
A
001aaf587
A
A
2
2
2
2
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B
A
2
2
C
2