TEF6721HL NXP Semiconductors, TEF6721HL Datasheet - Page 13

• Manufacturer Part Number: TEF6721HL
• Description: Car Radio Tuner Front-end For Digital If
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEF6721HL_4
Product data sheet
8.2.4 Write mode: data byte 2
8.2.5 Write mode: data byte 3
Table 9:
Table 10:
Table 11:
Table 12:
Table 13:
Table 14:
Bit
7 to 0
Bit
7
6 to 0
Bit
7
6 to 4
3
2 and 1
0
FREF2
0
1
0
1
0
1
0
1
PRESET
7
7
-
Description of data byte 1 bits
Format of data byte 2
Description of data byte 2 bits
Format of data byte 3
Description of data byte 3 bits
Reference frequency setting
Symbol
-
FREF[2:0] Reference frequency for synthesizer. These 3 bits determine the
-
BND[1:0]
AMFM
Symbol
PLL[7:0]
Symbol
PRESET
DAA[6:0]
FREF2
DAA6
6
6
Rev. 04 — 20 December 2005
Description
This bit is not used and should be set to logic 0.
reference frequency, see
This bit is not used and should be set to logic 0.
Band switch. These 2 bits select the frequency in AM and FM mode, see
Table 15
AM or FM switch. If AMFM = 0, then FM mode. If AMFM = 1, then AM
mode.
Description
Setting of programmable counter of synthesizer PLL. Lower byte of
PLL divider word.
Description
Preset. If PRESET = 0, then programmable divider and antenna DAA
locked. If PRESET = 1, then writing to programmable divider and
antenna DAA enabled.
Setting of antenna digital auto alignment.
FREF1
0
0
1
1
0
0
1
1
FREF1
DAA5
5
5
and
Table
FREF0
DAA4
4
4
16.
Table
FREF0
0
0
0
0
1
1
1
1
DAA3
Car radio tuner front-end for digital IF
3
3
-
14.
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
BND1
DAA2
2
2
TEF6721HL
f
100
50
25
20
10
10
10
10
ref
BND0
DAA1
(kHz)
1
1
AMFM
DAA0
13 of 48
0
0