參數(shù)資料
型號(hào): SAA7705H
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Car radio Digital Signal Processor(DSP)(車載電臺(tái)數(shù)字信號(hào)處理器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
文件頁數(shù): 49/60頁
文件大小: 1857K
代理商: SAA7705H
1999 Aug 16
49
Philips Semiconductors
Preliminary specification
Car radio Digital Signal Processor (DSP)
SAA7705H
Table 26
Analog input selection; notes 1 and 2
Notes
1.
It is assumed that the AM level input is used for AM reception and the FM level input for FM reception. It is, however,
also possible to have a combined AM and FM level output from the tuner. In that case the FM level input should be
used and the LEVAM-FM should remain logic 0.
In all the positions it is assumed that pin SELFR is LOW.
X = don’t care.
In the MICROPHONE position it is assumed that the microphone is connected to the AML input. When using
a microphone the bandwidth of the level decimation path is limited to 19 kHz. In all other cases the bandwidth is
29 kHz. At the same time the I
2
C-bus bit DEF of the SEL register must be put in the ‘voice’ = logic 1 position.
2.
3.
4.
Table 27
Cloop mode settings
Table 28
Host input/output data format
MODE
AM-TAPE
X
(3)
X
(3)
1
X
(3)
X
(3)
0
AUX-FM
CD-TAPE
SELTWOTUN
LEVAM-FM
FMMPX one tuner mode
FMMPX two tuner mode
AM
CD-ANALOG
MICROPHONE
(4)
TAPE
0
0
1
1
0
1
0
1
0
0
1
X
(3)
1
X
(3)
X
(3)
X
(3)
X
(3)
X
(3)
X
(3)
X
(3)
1
X
(3)
X
(3)
0
CLOOP-MODE
OUTPUT
BIT 15
BIT 14
BIT 13
Word select (WS)
0
1
bypass WS
WS 50% duty-cycle (default)
Bit clock (BCLK)
0
0
1
1
0
1
0
1
bypass BCLK
divide BCLK by 2
divide BCLK by 4 (default)
divide BCLK by 8
HOST-IO-FORMAT
OUTPUT
BIT 11
BIT 10
0
0
1
1
0
1
0
1
standard I
2
S-bus (default)
LSB-justified, 16 bits
LSB-justified, 18 bits
LSB-justified, 20 bits
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SAA7706H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Car radio Digital Signal Processor (DSP)
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