TEF6902AH/V2 NXP Semiconductors, TEF6902AH/V2 Datasheet - Page 12

• Manufacturer Part Number: TEF6902AH/V2
• Description: Tuners TUNER ASP ONECHIP
• Manufacturer: NXP Semiconductors

Specifications of TEF6902AH/V2

• Mounting Style: SMD/SMT
• Package / Case: PQFP-64
• Minimum Operating Temperature: - 40 C
• Maximum Operating Temperature: + 85 C
• Lead Free Status / RoHS Status: Compliant
• Other names: TEF6902AH/V2,557

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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