tda9884 NXP Semiconductors, tda9884 Datasheet - Page 15

• Manufacturer Part Number: tda9884
• Description: Tda9884 I2c-bus Controlled Multistandard Alignment-free If-pll For Mobile Reception
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TDA9884_2
Product data sheet
Table 9.
[1]
Table 10.
[1]
Symbol
AFCWIN
VIFLEV
CARRDET
AFC[4:1]
PONR
Bit
AFC4
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
If no IF input is applied, then bit AFCWIN = 1 due to the fact that the VCO is forced to the AFC window
border for fast lock-in behavior.
f
0
is the nominal frequency of f
Description of status register bits
Automatic frequency control bits
AFC3
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
Value
1
0
1
0
1
0
1
0
Rev. 02 — 12 May 2006
VIF
I
.
2
C-bus controlled multistandard alignment-free IF-PLL
Description
AFC window
VCO in 1.6 MHz AFC window
VCO out of 1.6 MHz AFC window
VIF input level
high level; VIF input voltage
low level
FM carrier detection
detection
no detection
automatic frequency control
see
power-on reset
after power-on reset or after supply breakdown
after a successful reading of the status register
AFC2
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
Table 10
[1]
AFC1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
200 V (typically)
[1]
TDA9884
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VIF
(f
(f
+ 12.5 kHz
+ 37.5 kHz
+ 62.5 kHz
+ 87.5 kHz
+ 112.5 kHz
+ 137.5 kHz
+ 162.5 kHz
0
0
162.5 kHz
137.5 kHz
112.5 kHz
87.5 kHz
62.5 kHz
37.5 kHz
12.5 kHz
+ 187.5 kHz)
187.5 kHz)
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