參數(shù)資料
型號: TEA5766UK/N1/S21,0
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: FM, AUDIO SINGLE CHIP RECEIVER, PBGA25
封裝: 3.30 X 3.25 MM, 0.60 MM HEIGHT, WLCSP-25
文件頁數(shù): 22/59頁
文件大?。?/td> 273K
代理商: TEA5766UK/N1/S21,0
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TEA5766UK_1
NXP
B
.V
.2007.
All
r
ights
reser
v
ed.
Pr
oduct
data
sheet
Re
v
.01
22
Mar
c
h
2007
29
of
59
NXP
Semiconductor
s
TEA5766UK
Stereo
FM
radio
+
RDS
Blocking DAVFLG: at end of reading byte 15R or byte 17R (DAV-A, B/C) DAVFLG is forced to zero. Only after reading byte 19R DAVFLG is released again.
If synchronous reading is performed using TEA5766UK generated interrupts, this problem does not occur.
To prevent undened situations, byte 12R to byte 19R should always be read in one action immediately after each other.
Signal DAVN
≠ INTX.
(1) Normally reading byte 19R would reset signal DAVN, but now it is reset after 10 ms, the maximal LOW time of signal DAVN.
(2) Read of byte 15R in DAV-A and DAV-B mode clears DAVFLG. In DAV-C mode two consecutive RDS data blocks are read and hence DAVFLG is reset after reading
byte 17R instead of byte 15R (dotted line).
(3) Read of byte 19R clears signal DAVN.
(4) Write byte 0W (interrupt register).
Fig 13. RDS ag behavior
B
A
RDS data
DAVN
DAVFLG
reset of DAVFLG
Read byte:
15R
0R
19R 0W
17R
CD
A
B
(1)
(2)
(3)
(4)
10 ms
C
15R
0R
19R 0W
17R
15R
0R
19R 0W
17R
15R
0R
19R 0W
17R
15R
0R
19R 0W
17R
15R
0R
19R 0W
17R
001aab475
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