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Mds-nt1 – Sony MDS-NT1 User Manual

Page 57

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57

MDS-NT1

MAIN BOARD IC301 CXD1873R (NET MD SECURITY, DIGITAL SIGNAL PROCESSOR, USB INTERFACE)

Pin No.

Pin Name

I/O

Description

1

VDEA0

Power supply terminal (+3.3V) (for DSP)

2

VSEA0

Ground terminal (for DSP)

3

PLLSW

I

PLL function on/off control signal input from the system controller “L”: PLL on

4

TEST0

I

Test input terminal Normally fixed at “L”

5

DSPCLK

I

DSP transfer clock signal input terminal (256Fs: 11.2896MHz)

6

VDC0

Power supply terminal (+3.3V)

7

DSPIF0

O

Digital audio signal output terminal when recording mode

8

DSPIF1

O

L/R sampling clock signal (44.1 kHz) output terminal

9

VDEA1

Power supply terminal (+3.3V) (for DSP)

10

DSPIF2

O

Bit clock signal (2.8224 MHz) output terminal

11

DSPIF3

O

Recording data output terminal

12

VDC1

Power supply terminal (+3.3V)

13

VSC0

Ground terminal

14

EXTIF0

I/O

Not used

15

EXTIF1

I/O

Not used

16

VDEA2

Power supply terminal (+3.3V) (for DSP)

17

VSEA1

Ground terminal (for DSP)

18

EXTIF0

I/O

Not used

19

EXTIF1

I/O

Not used

20

VDC2

Power supply terminal (+3.3V)

21

VSC1

Ground terminal

22

DNKCK

O

Serial ROM clock signal output terminal Not used

23

DNKCS

O

Serial ROM chip select signal output terminal Not used

24

VDEA3

Power supply terminal (+3.3V) (for DSP)

25

VSEA2

Ground terminal (for DSP)

26

DNKSO

O

Serial ROM data output terminal Not used

27

DNKSI

I

Serial ROM data input terminal Not used

28

DNKST

I

Serial ROM status input terminal Not used

29

VDC3

Power supply terminal (+3.3V)

30

VSC2

Ground terminal

31

DNKRS

I

Serial ROM reset signal input terminal Not used

32

TEST1

I

Test input terminal Normally fixed at “L”

33

VDEA4

Power supply terminal (+3.3V) (for DSP)

34

PLLTHRU

I

Not used

35

USBEN

I

USB enable signal input terminal

36

VDC4

Power supply terminal (+3.3V)

37

VSC3

Ground terminal

38

USBVSS

Ground terminal (for USB)

39

DP

I/O

USB communication input/output

40

DM

I/O

USB communication input/output

41

USBVDD

Power supply terminal (+3.3V) (for USB)

42

USBSW

O

USB communication on/off control signal output “H”: USB communication on

43

PLLVDD

Power supply terminal (+3.3V) (for USB)

44

PLLVSS

Ground terminal (for USB)

45

OSCVDD

Power supply terminal (+3.3V) (for OSC)