TEF6700HL NXP Semiconductors, TEF6700HL Datasheet - Page 33
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
TEF6700HL
Manufacturer Part Number
TEF6700HL
Description
Car Radio Tuner Front-end For Digital If
Manufacturer
NXP Semiconductors
Datasheet
1.TEF6700HL.pdf
(56 pages)
- Current page: 33 of 56
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Philips Semiconductors
12.2.5
Table 10 Format of data byte 3
Table 11 Description of data byte 3 bits
Table 12 Reference frequency setting
Table 13 FM band selection bits
2003 Oct 21
Car radio tuner front-end for digital IF
2 and 1
BND1
6 to 4
BIT 7
IFMT
BIT
7
3
0
0
0
1
1
W
FREF2
RITE MODE
0
1
0
1
0
1
0
1
FREF[2:0]
SYMBOL
BND[1:0]
AMFM
BND0
FREF2
IFMT
IFPR
BIT 6
0
1
0
1
:
DATA BYTE
IF measuring time. If IFMT = 0, then IF measuring time is 20 ms. If IFMT = 1, then
IF measuring time is 2 ms.
Reference frequency for synthesizer. These 3 bits determine the reference frequency,
see Table 12.
IF counter prescaler ratio. If IFPR = 0, then IF prescaler ratio is 100. If IFPR = 1, then
IF prescaler ratio is 10.
Band switch. These 2 bits select the frequency in AM and FM mode, see Tables 13
and 14.
AM or FM switch. If AMFM = 0, then FM mode. If AMFM = 1, then AM mode.
FM standard
FM Japan
FM East Europe
FM weather
FREQUENCY
3
FREF1
BIT 5
BAND
FREF1
0
0
1
1
0
0
1
1
DIVIDER
FREF0
BIT 4
VCO
2
3
3
1
33
BIT 3
IFPR
DESCRIPTION
FREF0
0
0
0
0
1
1
1
1
CHARGE PUMP CURRENT
BND1
BIT 2
130 A + 3 mA
130 A + 3 mA
300 A
1 mA
BND0
BIT 1
Product specification
TEF6700HL
f
ref
100
50
25
20
10
10
10
10
(kHz)
AMFM
BIT 0
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