TEF6904AH/V5S,518 NXP Semiconductors, TEF6904AH/V5S,518 Datasheet - Page 18
TEF6904AH/V5S,518
Manufacturer Part Number
TEF6904AH/V5S,518
Description
IC CAR RADIO SGL CHIP CIRC 80QFP
Manufacturer
NXP Semiconductors
Datasheet
1.TEF6904AHV5S518.pdf
(108 pages)
Specifications of TEF6904AH/V5S,518
Modulation Or Protocol
AM, FM
Applications
AM/FM Radio Receiver
Current - Receiving
102mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
8 V ~ 9 V
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Frequency
-
Sensitivity
-
Memory Size
-
Data Rate - Maximum
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935288825518
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NXP Semiconductors
TEF6904A_3
Product data sheet
8.1.3 Read mode: data byte USN/WAM
8.1.4 Read mode: data byte MOD
Table 11.
Table 12.
After AF update sampling the USN and WAM read value is held (indicated by IFCM = 10)
for easy I
The USN and WAM data hold is released after I
Table 13.
Table 14.
Bit
7 to 4
3 to 0
Bit
7 to 3
2
1 and 0
MOD4
USN3
7
7
2
C-bus read-out. The USN and WAM detectors remain active in the background.
USN/WAM - format of data byte 2
USN/WAM - data byte 2 bit description
MOD - format of data byte 3
MOD - data byte 3 bit description
Symbol
USN[3:0]
WAM[3:0]
Symbol
MOD[4:0]
STIN
TAS[1:0]
MOD3
USN2
6
6
Description
ultrasonic noise detector; this value indicates the USN content of the
MPX audio signal; see
wideband AM detector; this value indicates the WAM content of the
LEVEL voltage; see
Description
modulation detector; this value indicates the audio modulation; see
Table 15
FM offset detector; a read value of 31 indicates offset detection. The
offset detector is part of the FM bandwidth control algorithm and detects
adjacent channel breakthrough.
VU-meter; when an external audio source is selected and VU-meter read
is active (see subaddress 17h; see
input level (RMS) between 0 V and 2 V; see
stereo indicator; this bit indicates if a stereo pilot signal has been
detected
Tuning action state; state machine information. 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.
Rev. 03 — 20 March 2008
MOD2
FM between 0 kHz and 150 kHz FM deviation
AM between 0 % and 200 % modulation
0 = no pilot signal detected
1 = pilot signal is detected and the FM stereo decoder is activated
00 = inactive
01 = starting mute
10 = PLL tuning
11 = tuning ready with mute active
USN1
5
5
MOD1
USN0
4
4
Figure 24
Figure 24
WAM3
MOD0
2
C-bus read.
3
3
Table
WAM2
STIN
98) MOD indicates the audio
2
2
Table
TEF6904A
15.
Integrated car radio
WAM1
TAS1
© NXP B.V. 2008. All rights reserved.
1
1
WAM0
TAS0
18 of 108
0
0
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