TEF6901AH/V2-T NXP Semiconductors, TEF6901AH/V2-T Datasheet - Page 12

• Manufacturer Part Number: TEF6901AH/V2-T
• Description: Tuners TUNER ASP ONECHIP
• Manufacturer: NXP Semiconductors

Specifications of TEF6901AH/V2-T

• 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: TEF6901AH/V2,518

NXP Semiconductors
8. I
TEF6901A_3
Product data sheet
Fig 3. Write mode
2
C-bus protocol
S
7.31 Bass
7.32 Treble
7.33 Loudness
7.34 Fader
7.35 RDS/RBDS demodulator
SLAVE ADDRESS W
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.
The RDS demodulator recovers and regenerates the continuously transmitted RDS or
RBDS data stream that may be part of the FM MPX signal and provides the signals clock
(RDCL) and data (RDDA) for further processing by a hardware or software RDS decoder.
Unbuffered demodulator output and buffered 16-bit output mode are available. The output
modes are compatible with stand-alone demodulator devices as well as digital and analog
signal processor standards. In case of buffered output mode additional RDS Quality
(RDQ) demodulation quality information is available optional.
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
Rev. 03 — 20 March 2008
MSA
ACK-s
(n bytes
DATA
data transferred
acknowledge)
TEF6901A
Integrated car radio
© NXP B.V. 2008. All rights reserved.
ACK-s
001aad051
2
C-bus fast
P
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