TEF6894H NXP Semiconductors, TEF6894H Datasheet - Page 6

• Manufacturer Part Number: TEF6894H
• Description: Tef6894h Car Radio Integrated Signal Processor
• Manufacturer: NXP Semiconductors

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MPXRDS
AFSAMP
AFHOLD
FMMPX
PHONE
TAPER
TAPEL
LEVEL
CDCM
PHCM
SCLG
SDAG
FREF
CDR
CDL
AM
10
11
4
9
22
20
21
24
23
25
26
5
7
6
1
3
level
f ref
sclg
sdag
input select
SELECT
INPUT
MPX
USN
WAM
roll-off correction
f ref
low f: 50/100 Hz
LOUDNESS
0 to 20 dB
high boost
DETECT
DETECT
REFERENCE
TEF6894H
19 kHz
asi
i.c.
PILOT/
CANCEL
PLL
reset/hold
8, 12, 13, 14, 15, 19, 31, 33
34, 35, 36, 37, 38, 39, 40
PILOT
bal: L/R, 0 to 79 dB
softmute
vol: 20 to 59 dB
amfm-
level
usn
wam
afus
afumute
BALANCE/
VOLUME/
38 kHz
MUTE
mute
57 kHz
stereo
I ref
DECODER
mute
afu-
STEREO
asi
stereo adjust
fmsnc
Fig.1 Block diagram.
usn
sensitivity
wam
sensitivity
AUDIO STEP INTERPOLATION (asi)
f: 8 to 15 kHz
14 to 14 dB
TREBLE
asi time
nb sensitivity
fm/am
detection timings
DETECT
DETECT
and control
WEAK SIGNAL
shelve/band-pass
NOISE
NOISE
DETECTION
MULTIPATH/
AND LOGIC
f: 60 to 120 Hz
hold
14 to 14 dB
asi active
BASS
amnb
BLANKER
asi
NOISE
PULSE
TIMER
PULSE
TIMER
fmnb
SNC
HCC
SM
snc start, slope
hcc start, slope
f: 1.5 to 15 kHz/wide
sm start, slope
0 to 59 dB
front/rear
FRONT/
FADER
REAR
amfmhcc
amnb
fmnb
fmsnc
amfm-
hcc
amfm-
softmute
HIGH
CUT
asi
LR, RR
LF, RF,
MUTE
BEEP
mute:
standby
sdag
asi
level/off
V ref
DE-EMPHASIS
sclg
pitch
50/75 s
LR, RR
LF, RF,
MIX
read
write
mix:
INTERFACE
SUPPLY
I
autogate
2
C-BUS
on/off
addr
MHC422
27
28
29
30
32
16
17
18
41
44
43
42
2
LFOUT
RFOUT
LROUT
RROUT
NAV
V CC
AGND
CREF
DGND
ADDR
SCL
SDA
GND