TEA5764UK/N2,027 NXP Semiconductors, TEA5764UK/N2,027 Datasheet - Page 17

• Manufacturer Part Number: TEA5764UK/N2,027
• Description: Tuners FM RADIO WITH RDS
• Manufacturer: NXP Semiconductors

Specifications of TEA5764UK/N2,027

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935278071027 TEA5764UK-G

Philips Semiconductors
9. Interrupt handling
Table 6:
Table 7:
TEA5764UK_2
Product data sheet
Bit
Symbol
Bit
Symbol
INTFLAG - byte0R
INTMSK - byte0W / byte1R
DAVMSK
DAVFLG
9.1 Interrupt register
7
7
The first two bytes of the I
flags. A flag is set when it is a logic 1.
Fig 5. Flowchart RDS update
TESTBIT
6
6
-
LSYNCFLG
LSYNCMSK
5
5
Rev. 02 — 9 August 2005
set PLL to AF frequency
2
(PLL is AF frequency)
store 'old' PLL setting
wait for PLL to settle
C-bus register contain the interrupt masks and the interrupt
wait for IF counter
set IF count time
clear LEVFLAG
FRRFLAG = 1
activate mute
clear IFFLAG
BLFLAG = 0
IFFLAG
keep mute
level OK
IFMSK
to 2 ms
IF OK
start
4
4
true
true
LEVFLAG
LEVMSK
false
false
3
3
(PLL is old frequency)
reset 'old' PLL setting
wait for PLL to settle
FRRFLAG = 1
set LEVFLAG
BLFLAG = 0
not mute
PDFLAG
PDMSK
2
2
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
001aab462
TEA5764UK
FRRFLAG
FRRMSK
1
1
FM radio + RDS
BLFLAG
BLMSK
0
0
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