tda9898hn/v2 NXP Semiconductors, tda9898hn/v2 Datasheet - Page 29

• Manufacturer Part Number: tda9898hn/v2
• Description: Tda9897; Tda9898 Multistandard Hybrid If Processing
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA9897_TDA9898_3
Product data sheet
Table 29.
Table 30.
Table 31.
[1]
[2]
Bit
7
6
5 and 4
3
2 and 1
0
Bit
TV2
W1[4]
0
0
0
1
1
1
1
VIFLEVEL
Intercarrier output level based on wide-band AGC of SIF amplifier.
Intercarrier output level based on narrow-band AGC of FM amplifier.
7
TV1
W1[3]
0
1
X
X
X
X
X
W4 - data write register bit allocation
W4 - data write register bit description
List of output signals at OUT1 and OUT2
Symbol
VIFLEVEL
BP
MPP2S[1:0]
-
IFIN[1:0]
VIFIN
BP
6
DIRECT
W6[0]
0
0
1
X
X
X
X
Rev. 03 — 11 January 2008
MPP2S1
5
Description
control of internal VIF mixer input level (W1[4] = 1) and
OUT1/OUT2 output level; see
SIF/DIF BP
AGC or AFC output; see
0 = fixed value
DIF/SIF input
VIF input
FM
W1[1]
X
X
X
0
0
1
1
1 = reduced
0 = normal
1 = on (bit W6[0] = 0; see
0 = bypass
00 = IF1A/B input
01 = IF3A/B input
10 = not used
11 = IF2A/B input
1 = IF1A/B input
0 = IF2A/B input
MPP2S0
EXTFIL
W1[0]
X
X
X
0
1
0
1
4
TDA9897; TDA9898
Output signal at
OUT1A, OUT1B
zero IF I
low IF
off
intercarrier
intercarrier
intercarrier
intercarrier
3
0
Table 32
Multistandard hybrid IF processing
Table
Table 31
[1]
[2]
[2]
[1]
38)
IFIN1
2
OUT2A, OUT2B
zero IF Q
off
direct IF
off
off
off
off
IFIN0
© NXP B.V. 2008. All rights reserved.
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VIFIN
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