Yamaha R-N402, Руководство по обслуживанию

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44
R-N402/R-N402D
R-N402/R-N402D
Pin
No. Function Name
(P.C.B.)
I/O
Detail of Function
F
U
L
L
O
N
PO
W
ER
O
FF
M
C
U
S
LE
E
P
A
C
O
F
F
1 V RE F MC U MC U MC U MC U AD reference voltage
2 A VCC MC U MC U MC U MC U C PU power supply
3 EEP _MI S O S I S I O S I EEPR OM synchronized data input
4 EEP _MO S I S O S O O S O EEPR OM synchronized data output
5 EEP _ S C K S O S O O S O EEPR OM synchronized clock output
6 (no_use) O O O O
7 (no_use) O O O O
8 D I R _MO S I S O O O O D I R synchronized data output
9 D I R _MI S O S I I- I- I- D I R synchronized data input
10 D I R _ S C K S O O O O D I R synchronized clock output
11 DA C_ N _ RST O O O O DA C reset signal
12 TUN _ N _ RST O O O O T uner reset signal
13 BYTE MC U MC U MC U MC U E xternal data bus width select input / S ingle chip mode : L (16bit)
1 4 E8 a MC U MC U MC U MC U P rocessor modes select / L : S ingle chip mode
1 5 P CM/ DSD _ SE L O O O O P CM / DSD audio signal selector L : P CM / H: DSD
16 D I AG _FC T O O O O D iag O K : Output H igh / D iag NG : Output Low (default)
17 N _ RST MC U MC U MC U MC U C PU reset signal
1 8 XO UT MC U MC U MC U MC U Oscillator circuit output
19 V SS MC U MC U MC U MC U C PU ground
20 XI N MC U MC U MC U MC U Oscillator circuit input
21 VCC1 MC U MC U MC U MC U C PU power supply
22 (no_use) O O O O
23 D I R _ N _I NT I R Q I- I- I- D I R emphasis detect signal
2 4 (no_use) O O O O
2 5 D I R _ N _I NT 0 I R Q I- I- I- D I R error interrupt signal
26 DA C_Z ER O_ DET I O O O DA C data Z ER O detect signal
27 (no_use)
2 8 FL_ S C K O O O O FL driver system clock
29 FL_MO S I S O S O O O FL driver synchronized data output
30 TUN _ TUNED T M R O O O
31 D I R _ N _ RST O O O O D I R reset signal
32 A C P W R _ DET T M R I+ I+ I+ A C power detect / L : P ower down
33 D I R _ N _C S I I I I D I R chip select signal
3 4 (no_use)
3 5 (no_use)
36 E8A _ T X D S O S O I+ I+ C PU debug
37 VCC1 MC U MC U MC U MC U C PU power supply
3 8 E8A _ R X D S I S I I+ I+ C PU debug
39 V SS MC U MC U MC U MC U C PU ground
4 0 E8A _ S C K S I S I I+ I+ C PU debug
4 1 E8A _ BUSY I- I- I- I- C PU debug
4 2 TUN _ SDA S I O O O T uner I2C data
4 3 TUN _ S CL S O O O O T uner I2C clock
44 (no_use) O O O O
45 (no_use) O O O O
4 6 VOL_MO S I S O O O O E lectronic volume IC synchronized data output
4 7 VOL_ S C K O O O O E lectronic volume IC synchronized system clock
48 I_ PRT I- I- I- I- Overcurrent protection detection
4 9 (no_use) O O O O
5 0 (no_use) O O O O
5 1 (no_use) O O O O