TEF6730A NXP Semiconductors, TEF6730A Datasheet - Page 11
TEF6730A
Manufacturer Part Number
TEF6730A
Description
Tef6730a Front-end For Digital-if Car Radio
Manufacturer
NXP Semiconductors
Datasheet
1.TEF6730A.pdf
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TEF6730A_1
Product data sheet
8.1.2 Read mode: data byte ID
8.2 Write mode
Table 7.
Table 8.
Table 9.
The tuner is controlled by the I
control of the tuning action via the bits MODE[2:0] and REGC and subaddressing via bits
SA[3:0] (see
Bit
7 and 6
5 and 4
3 to 1
0
Bit
7 to 3
2 to 0
7
-
Symbol
RAGC[1:0]
TAS[1:0]
-
POR
Symbol
-
ID[2:0]
TUNER - data byte 0h bit description
ID - data byte 1h bit allocation
ID - data byte 1h bit description
Figure
6
-
5).
Rev. 01 — 21 February 2007
Description
RF AGC attenuation indicator
AM mode, PIN diode current on pin IAMAGC:
FM mode, PIN diode current on pin IFMAGC:
tuning action state; the signal TAS informs about internal control
functions of the tuner action state machine; this way the progress of
tuner actions can be monitored by the microcontroller;
see
not used
power-on reset
Description
not used
device type identification 110 = TEF6730A
5
00 = no AGC
01 = LNA AGC
10 = I
11 = I
00 = < 0.1 mA
01 = 0.1 mA to 0.5 mA
10 = 0.5 mA to 2.5 mA
11 = > 2.5 mA
00 = no current action
01 = mute started and in progress at DSP
10 = PLL tuning in progress and mute activated at DSP
11 = PLL tuning ready and mute activated at DSP
0 = normal operation
1 = I
logic 0 after the TEF6730A has been read out and written to via
I
-
2
C-bus at least once
Figure 8
2
C-bus. After the IC address the MSA byte contains the
2
C-bus data is reset to default POR state; POR is reset to
AGC
AGC
< 1 mA
> 1 mA
to
4
-
Figure 18
3
-
Front-end for digital-IF car radio
ID2
2
TEF6730A
© NXP B.V. 2007. All rights reserved.
ID1
1
ID0
11 of 58
0
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