tea5764uk-n2 NXP Semiconductors, tea5764uk-n2 Datasheet - Page 12

• Manufacturer Part Number: tea5764uk-n2
• Description: Fm Radio + Rds
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEA5764UK_2
Product data sheet
Before starting a search or a preset, the INTMSK register must be reset and only the
FRRMSK must be set. This allows the microprocessor to be interrupted only when the
search or preset algorithm is ready.
Fig 3. Flowchart auto search or preset
during a preset mute is always active
search mode is default not muted
wait for PLL to settle
unless AHLSI is set
set PLL frequency
FRRFLAG = 1
BLFLAG = 0
reset flags
level OK
no mute
IF OK
start
true
true
Rev. 02 — 9 August 2005
false
false
FRRFLAG = 1
BLFLAG = 0
AHLSI
mute
set LEVFLAG
true
false
false
increment current_pll
search mode
by 100 kHz
search up
true
true
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
FRRFLAG = 1
BLFLAG = 1
band limit
no mute
false
TEA5764UK
true
decrement current_pll
by 100 kHz
FM radio + RDS
false
001aab461
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