參數(shù)資料
型號(hào): SAA7708H
廠商: NXP Semiconductors N.V.
元件分類: 數(shù)字信號(hào)處理
英文描述: Car Radio Digital Signal Processor
中文描述: 汽車無(wú)線電數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 53/60頁(yè)
文件大?。?/td> 281K
代理商: SAA7708H
1998 May 19
53
Philips Semiconductors
Preliminary specification
Car Radio Digital Signal Processor
SAA7708H
Table 22
IIC_SELECTION register ($0FFE)
Table 23
IIC_ADDA register ($0FFD)
NAME
BITS
DESCRIPTION
DEFAULT
BIT POS.
phone_vol
audio_source
audio_format
dac_hold
5
2
3
1
Phone volume settings according Table 2
Selection AUDIO register according Table 36
AUDIO register data format according Table 37
Hold sign magnitude data stream (1) going to
DAC
Select SPDIF1 (0) or SPDIF2 (1) input
Switching SCAD1, SCAD2 and level_AD from
38KHz (0) to 44.1KHz (1) based processing
DCS clock locked (1) or preset (0)
Variable loop-gain stereo decoder high (1) or low
(0)
-
1111d (mute)
ISN
ISN
no-hold
4 - 0
6, 5
9 - 7
10
sel_SPDIF
adc_bw_switch
1
1
SPDIF1
38KHz
11
12
locked_preset
gain_h_l
1
1
locked
high
13
14
Not Used
1
-
15
NAME
BITS
DESCRIPTION
DEFAULT
BIT POS.
pcs_ad_sel
1
Select two input sensitivities, 200 mVrms (0) or 65
mVrms (1)
Disable 38 kHz Fs clock (0) for pseudo stereo
Right (0) vs Left (1) AD channel select according
Table 3
CD (0) vs Tape (1) select according Table 3
Tape/CD (0) vs AM (1) select according Table 3
AD left channel (0) vs Phone (1) select according
Table 3
FM/RDS_MPX (0) vs AD right channel (1) select
according Table 3
FM/RDS_MPX (0) vs AD right channel (1) select
according Table 3
Select RDS output (0) or buffered RDS with RDS
clock input (1)
-
Selection switch CD_GND (0) or AUX_GND (1)
pin
Selection switch internal Midref-voltage reference
(0) or external ground pin (1)
Enable phone signal (1) to DAC front right output
Enable phone signal (1) to DAC front left output
Audio+RDS info (0) or audio data (1)
-
200 mVrms
0
en_38_clk
sw_ad1
1
1
disable
Right
1
2
s1_2
s4_5
s6_7
1
1
1
CD
TAPE/CD
AD left channel
3
4
5
s8_9
1
FM/RDS_MPX
6
rds_cd_sel
1
FM/RDS_MPX
7
rds_clk_in
1
RDS out
8
Not Used
s10
1
1
-
CD_GND
9
10
s11
1
Midref
11
FR_b
FL_b
wide_narrow
Not Used
1
1
1
1
disable
disable
audio + RDS
-
12
13
14
15
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