Yamaha neoHD YMC-700, Руководство по обслуживанию

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58
YMC-700/YMC-500
YMC-70
0/YMC-50
0
Microcontroller
I/F
Cbit, Pc
Fs calculator
1
13
48
2
47
28
27
46
45
44
32
34
40 CL
CE
DI
DO
RERR
SDIN
RDATA
RMCK
RBCK
RLRCK
SBCK
SLRCK
XMODE
AUDIO INT
CKST
MOUT
GPIO0
GPIO1
GPIO2
GPIO3
RXOUT2
RXOUT1
RX0
RX1
RX2
RX3
RX4
RX5
RX6
LPF
XIN
XOUT
XMCK
41
39
38
37
36
24
21
4
8
10
29
9
5
3
16
22
17
20
23
35 33
Input
Selector
PLL
Oscillation
Amplifier
Clock
Selector
Clock
Divider
Demodulation
&
Lock detect
Data
Selector
36 35 34 33 32 31 30 29 28 27 26 25
13
14
15
16
17
18
19
20
21
22
23
24
1 2 3 4 5 6 7 8 9
10 11 12
48
47
46
45
44
39
38
37
43
42
41
40
RBCK
AV
DD
AGND
RMCK
DGND
RX
OUT1
RX0 RX1 RX2 RX3
DGND
DV
DD
RX4 RX5 RX6
DV
DD
DGND
DV
DD
RLRCK
RDATA
SBCK
LC89058WD-E
SDIN
RERR INT CKS
T
A
UDIO
MOUT DGND DV
DD
XIN X
OUT
XMCK DV
DD
DGND
RXOUT2
GPIO3
GPIO2
GPIO1
GPIO0
DV
DD
DGND
CL
CE
DI
DO
SLRCK
LPF
XMODE
IC374: LC89058WD-E (DIGITAL P.C.B.)
Digital audio interface receiver
• Microprocessor DIR select port
Pin
No.
Port Name Function Name I/O Detail of Function
1 RXOUT1 – O RX0-6 input S/PDIF through output pin 1
2 RX0 – l5(pd)
5V withstand voltage TIL input level compatible S/PDIF input pin
(connected to GND when RX1 is set)
3 RX1 – I(pd)
Co-axial compatible S/PDIF input pin (supported demodulation
sampling frequency of up to 96 kHz)
4 RX2 – l5(pd)
5V withstand voltage TIL input level compatible S/PDIF input pin
(connected to GND when RX1 is set)
5 RX3 – l5(pd) 5V withstand voltage TIL input level compatible S/PDIF input pin
6 DGND – Digital GND
7 DVDD – Digital power supply (3.3V)
8 RX4 – l5(pd) 5V tolerable TIL input level compatible S/PDIF input pin
9 RX5 – l5(pd) 5V tolerable TIL input level compatible S/PDIF input pin
10 RX6 – l5(pd) 5V tolerable TIL input level compatible S/PDIF input pin
11 DVDD – Digital power supply (3.3V)
12 DGND – Digital GND
13 LPF – O PLL loop filter connection pin
14 AVDD – Analog power supply (3.3V)
15 AGND – Analog GND
16 RMCK – O R system clock output pin (VCO, 512fs, XIN)
17 RBCK – O/I R system bit clock 1/0 pin (64fs)
18 DGND – Digital GND
19 DVDD – Digital power supply (3.3V)
20 RLRCK – O/I R system LR clock 1/0 pin (fs)
21 RDATA – O Serial audio data output pin
22 SBCK – O S system bit clock output pin (16fs, 32fs, 64fs, 128fs)
23 SLRCK – O S system LR clock output pin (fs/4, fs/2, fs, 2fs)
24 SDIN – l5 External serial audio data input pin
25 DGND – Digital GND
26 DVDD – Digital power supply (3.3V)
27 XMCK – O Oscillation amplifier clock output pin
28 XOUT – O Output pin connected to the resonator
29 XIN – I
External clock input pin. connected to the resonator (12.288 MHz or
24.576 MHz)
30 DVDD – Digital power supply (3.3V)
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