SAF7741 Просмотр технического описания (PDF) - NXP Semiconductors.

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Компоненты Описание

производитель

SAF7741

Car radio Digital Signal Processor (DSP)

NXP Semiconductors. 

NXP Semiconductors

SAF7741HV

Dual IF car radio and audio DSP (N1F)

Table 2. Pin allocation table …continued

Pin Name

Pin

Description

Number

AIN2_R_REF

12

Right common mode reference audio input 2

AIN2_L_REF

13

Left common mode reference audio input 2

AIN2_L

14

Left channel analog audio input 2

VDDA_1V8_ADC 15

1.8 V supply for ADC

VADCN

16

Ground reference for audio ADCs and RGPDACs

VADCP

17

Positive reference voltage for Audio ADCs and RGPDACs

VREFAD

18

Common mode reference voltage ADCs

AIN3

19

Analog audio input 3

AIN3_REF

20

Common mode reference audio input 3

AIN4

21

Analog audio input 4

AIN4_REF

22

Common mode reference audio input 4

VDD_ADC

23

3.3 V supply for audio ADCs

SPDIF_IN1

24

Input 1 SPDIF analog / input DVD-A channels 3 and 4 [1]

SPDIF_IN2

25

Input 2 SPDIF analog / input DVD-A channels 5 and 6 [1]

VDDD1

26

1.8 V positive supply (digital core)

VSSS1

27

Ground supply (digital core)

BCK_IN1

28

Inter-IC Sound (I2S) source 1 Bit Clock input

WS_IN1

29

I2S source 1 Word Select input

SD_IN1

30

I2S source 1 data input/input DVD-A channels 1 and 2

VDD_REG

31

3.3 V supply for regulator

FEBREG

32

Feedback input monitoring the 1.8 V

CONREG

33

Control output for external Positive-channel Metal Oxide Semiconductor

(PMOS) transistor

GAPREG

34

Decoupling for regulator bandgap voltage

VDDQ1

35

3.3 V positive supply (peripheral cells)

VSSQ1

36

Ground supply (peripheral cells)

DAC_RR

37

Audio output for the rear-right speaker

DAC_RL

38

Audio output for the rear-left speaker

VDACN

39

Ground reference voltage for the Audio DACs (ADAC)

VDACP

40

Positive reference voltage for the Audio DACs (ADAC)

VDD_DAC

41

3.3 V supply for the Audio DACs (ADAC)

DAC_FR

42

Audio output for the front-right speaker

DAC_FL

43

Audio output for the front-left speaker

DAC_SUBW

44

Audio output for the sub-woofer

DAC_CENTER 45

Audio output for the centre speaker

VSSS2

46

Ground supply (digital core)

VDDD2

47

1.8 V positive supply (digital core)

RDS_CLK1

48

RDS bit clock (CLK) output 1/RDS external clock input 1

RDS_DATA1

49

RDS data output 1

RDS_CLK2

50

RDS bit clock output 2/RDS external clock input 2

Pin Type

apio

apio

apio

vddco

apio

apio

apio

apio

apio

apio

apio

vddco

apio

apio

vddi

vssis

bpts5ptpht5v

bpts5ptpht5v

bpts5ptpht5v

vddco

apio

apio

apio

vdde

vsse

apio

apio

apio

apio

vddco

apio

apio

apio

apio

vssis

vddi

bpts5ptpht5v

bpts5ptpht5v

bpts5ptpht5v

SAF7741_5

Objective data sheet

Rev. 05 — 09 May 2008

© NXP B.V. 2008. All rights reserved.

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