參數(shù)資料
型號(hào): TEA5764UK
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: FM radio + RDS
中文描述: FM, AUDIO SINGLE CHIP RECEIVER, PBGA34
封裝: 4 X 4 MM, WLB-34
文件頁(yè)數(shù): 12/64頁(yè)
文件大?。?/td> 287K
代理商: TEA5764UK
TEA5764HN_2
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 9 August 2005
12 of 64
Philips Semiconductors
TEA5764HN
FM radio + RDS
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
001aab461
during a preset mute is always active
search mode is default not muted
unless AHLSI is set
BLFLAG = 0
FRRFLAG = 1
no mute
reset flags
set PLL frequency
increment current_pll
by 100 kHz
decrement current_pll
by 100 kHz
wait for PLL to settle
set LEVFLAG
true
false
level OK
start
true
false
IF OK
true
false
AHLSI
false
search up
true
true
false
band limit
true
false
search mode
BLFLAG = 0
FRRFLAG = 1
mute
BLFLAG = 1
FRRFLAG = 1
no mute
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