TEF6894H NXP Semiconductors, TEF6894H Datasheet - Page 34

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

Philips Semiconductors
11.2.7
Table 32 Format of data byte 9H with default setting
Table 33 Description of data byte 9H
2003 Oct 21
handbook, halfpage
Car radio integrated signal processor
(1)
(2)
(3)
(4)
Fig.12 Soft mute attenuation
4 and 3
2 and 1
MSL[1:0] = 11
MST2
BIT 7
7 to 5
(dB)
mute
BIT
0
0
12
24
36
48
60
MST[2:0] = 000 = 0.75 V.
MST[2:0] = 001 = 0.88 V.
MST[2:0] = 010 = 1 V.
MST[2:0] = 011 = 1.12 V.
0
0.25
S
UBADDRESS
equivalent level voltage V
(1)
SYMBOL
UMD[1:0]
MST[2:0]
MSL[1:0]
0.75
SMON
MST1
BIT 6
1
9H; SOFTMUTE
(2) (3) (4)
1.25
(5)
Soft mute start.
Soft mute slope. See Fig.13.
USN mute depth. Maximum soft mute attenuation of the soft mute via USN control;
see Fig.14.
Soft mute enable. 0 = disable; 1 = enable.
(5)
(6)
(7)
(8)
MUTE
MST0
BIT 5
MST[2:0] = 100 = 1.25 V.
MST[2:0] = 101 = 1.5 V.
MST[2:0] = 110 = 1.75 V.
MST[2:0] = 111 = 2 V.
(6)
1
eq
1.75
as a function of
(start).
(7)
V eq (V)
MHC339
(8)
2.25
MSL1
BIT 4
mute
0
= 3 dB; see Fig.12.
34
handbook, halfpage
MSL0
BIT 3
MST[2:0] = 000
(1) MSL[1:0] = 00 = 8 dB/V.
(2) MSL[1:0] = 01 = 16 dB/V.
(3) MSL[1:0] = 10 = 24 dB/V.
(4) MSL[1:0] = 11 = 32 dB/V.
Fig.13 Soft mute attenuation
(dB)
mute
1
DESCRIPTION
12
18
24
0
6
0.25
equivalent level voltage V
(1)
(2)
(3)
(4)
0.5
UMD1
BIT 2
0
0.75
UMD0
1
BIT 1
MUTE
1
eq
Product specification
TEF6894H
1.25
as a function of
(slope).
V eq (V)
MHC340
SMON
1.5
BIT 0
1