TEF6902AH/V2,557 NXP Semiconductors, TEF6902AH/V2,557 Datasheet - Page 12
![IC INTEGRATED CAR RADIO 64-QFP](/photos/6/89/68970/568-64-qfp_sot393-1_sml.jpg)
TEF6902AH/V2,557
Manufacturer Part Number
TEF6902AH/V2,557
Description
IC INTEGRATED CAR RADIO 64-QFP
Manufacturer
NXP Semiconductors
Datasheet
1.TEF6902AHV5S518.pdf
(106 pages)
Specifications of TEF6902AH/V2,557
Modulation Or Protocol
AM, FM, WB
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
64-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
935281179557
TEF6902AH/V2
TEF6902AH/V2
TEF6902AH/V2
TEF6902AH/V2
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NXP Semiconductors
8. I
TEF6902A_3
Product data sheet
Fig 3. Write mode
Fig 4. Read mode
2
C-bus protocol
S
S
7.31 Bass
7.32 Treble
7.33 Loudness
7.34 Fader
SLAVE ADDRESS W
SLAVE ADDRESS R
The bass tone control stage controls the low audio frequencies with a modified shelve
curve response. The control range is between +14 dB and 14 dB in steps of 2 dB. Four
different filter cut-off frequencies can be selected.
The treble tone control stage controls the high audio frequencies with a shelve curve
response. The control range is between +14 dB and 14 dB in steps of 2 dB. Four
different filter cut-off frequencies can be selected.
An integrated loudness function can be activated which controls bass and treble in relation
to the user volume setting. The control range of the bass frequencies is limited to 20 dB
and the optional treble range to 4 dB. Different volume ranges can be selected for the
loudness control.
The fader is located at the end of the tone/volume chain. The balance between the front
and rear channel can be controlled by attenuation of either the front or the rear channel.
Control range is 0 dB to 64 dB with a step size of 1 dB. Optionally the fader attenuation
can be activated for front and rear channels together.
SDA and SCL HIGH and LOW internal thresholds are specified according to both 2.5 V
and 3.3 V I
maximum I
mode specification.
2
2
C-bus, however also SDA and SCL signals from a 5 V bus are supported. The
C-bus communication speed is 400 kbit/s in accordance with the I
ACK-s
ACK-s
Rev. 03 — 19 March 2008
(n
1 bytes
DATA
MSA
data transferred
acknowledge)
ACK-m
ACK-s
(n bytes
DATA
DATA
data transferred
acknowledge)
TEF6902A
Integrated car radio
© NXP B.V. 2008. All rights reserved.
ACK-s
NA
001aad051
001aad049
2
C-bus fast
P
P
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