Sony MDS-NT1 Service Manual page 57

MAIN BOARD IC301 CXD1873R (NET MD SECURITY, DIGITAL SIGNAL PROCESSOR, USB INTERFACE)
Pin No. Pin Name
1 VDEA0
2 VSEA0
3 PLLSW
4 TEST0
5 DSPCLK
6 VDC0
7 DSPIF0
8 DSPIF1
9 VDEA1
10 DSPIF2
11 DSPIF3
12 VDC1
13 VSC0
14 EXTIF0
15 EXTIF1
16 VDEA2
17 VSEA1
18 EXTIF0
19 EXTIF1
20 VDC2
21 VSC1
22 DNKCK
23 DNKCS
24 VDEA3
25 VSEA2
26 DNKSO
27 DNKSI
28 DNKST
29 VDC3
30 VSC2
31 DNKRS
32 TEST1
33 VDEA4
34 PLLTHRU
35 USBEN
36 VDC4
37 VSC3
38 USBVSS
39 DP
40 DM
41 USBVDD
42 USBSW
43 PLLVDD
44 PLLVSS
45 OSCVDD
I/O
— Power supply terminal (+3.3V) (for DSP)
— Ground terminal (for DSP)
I PLL function on/off control signal input from the system controller "L": PLL on
I Test input terminal Normally fixed at "L"
I DSP transfer clock signal input terminal (256Fs: 11.2896MHz)
— Power supply terminal (+3.3V)
O Digital audio signal output terminal when recording mode
O L/R sampling clock signal (44.1 kHz) output terminal
— Power supply terminal (+3.3V) (for DSP)
O Bit clock signal (2.8224 MHz) output terminal
O Recording data output terminal
— Power supply terminal (+3.3V)
— Ground terminal
I/O Not used
I/O Not used
— Power supply terminal (+3.3V) (for DSP)
— Ground terminal (for DSP)
I/O Not used
I/O Not used
— Power supply terminal (+3.3V)
— Ground terminal
O
Serial ROM clock signal output terminal Not used
O
Serial ROM chip select signal output terminal Not used
— Power supply terminal (+3.3V) (for DSP)
— Ground terminal (for DSP)
O
Serial ROM data output terminal Not used
I
Serial ROM data input terminal Not used
I
Serial ROM status input terminal Not used
— Power supply terminal (+3.3V)
— Ground terminal
I
Serial ROM reset signal input terminal Not used
I Test input terminal Normally fixed at "L"
— Power supply terminal (+3.3V) (for DSP)
I Not used
I USB enable signal input terminal
— Power supply terminal (+3.3V)
— Ground terminal
— Ground terminal (for USB)
I/O USB communication input/output
I/O USB communication input/output
— Power supply terminal (+3.3V) (for USB)
O
USB communication on/off control signal output "H": USB communication on
— Power supply terminal (+3.3V) (for USB)
— Ground terminal (for USB)
— Power supply terminal (+3.3V) (for OSC)
Description
MDS-NT1
57