Yamaha UB99A, Руководство по обслуживанию

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UB99A/UB99B/UB99MK2
9
• M38K07M4L-303HP (X3921200) CPU (USB)
DM: IC7
• AK4528VF (XY624A00) ADC/DAC (CMOS A/D & D/A Converter)
DM: IC104
PIN
NO.
NAME I/O FUNCTION
PIN
NO.
NAME I/O FUNCTION
1 P1
2
/DQ
2
/AN
2
I/O
Port P1 (In/output)
33 P2
6
I/O
Port P2 (In/output)
2 P1
3
/DQ
3
/AN
3
I/O 34 P2
7
I/O
3 P1
4
/DQ
4
/AN
4
I/O 35 P5
0
/INT
0
I/O Port P5 (In/output)/Interruption input
4 P1
5
/DQ
5
/AN
5
I/O 36 P5
1
/CNTR
0
I/O Port P5 (In/output)/Timer X function
5 P1
6
/DQ
6
/AN
6
I/O 37 P5
2
/INT
1
I/O Port P5 (In/output)/Interruption input
6 P1
7
/DQ
7
/AN
7
I/O 38 P5
3
I/O
Port P5 (In/output)
7 CNV
SS
- Ground 39 P5
4
I/O
8 RESET
____________
I System reset input 40 P5
5
I/O
9 EccE - Analog power 3.3V 41 P5
6
I/O
10 V
REF
I Reference voltage input 42 P5
7
I/O
11 Vss - Ground 43 P0
0
I/O
Port P0 (In/output)
12 X
IN
I Clock input 44 P0
1
I/O
13 X
OUT
O Clock output 45 P0
2
I/O
14 Vcc - Power 3.3V 46 P0
3
I/O
15 CNV
SS
2 - Ground 47 P0
4
I/O
16 P6
0
(LED
0
) I/O
Port P6 (In/output)
48 P0
5
I/O
17 P6
1
(LED
1
) I/O 49 P0
6
I/O
18 P6
2
(LED
2
) I/O 50 P0
7
I/O
19 P6
3
(LED
3
) I/O 51 P4
0
/E
X
DREQ/R
X
D I/O
Port P4 (In/output)/External bus interface/Serial I/O
20 PVss -
Analog power 3.3V
52 P4
1
/E
X
DACK/T
X
D I/O
21 PVcc - 53 P4
2
/E
X
TC/S
CLK
_______
I/O
22 DVcc - 54 P4
3
/E
X
A1/S
RDY
I/O
23 USBV
REF
- USB reference power supply 55 P3
0
I/O
Port P3 (In/output)
24 TrON O USB reference volyage output 56 P3
1
I/O
25 D0+ I/O
USB upstream in/output
57 P3
2
I/O
26 D0- I/O 58 P3
3
/E
X
INT I/O
Port P3 (In/output)/External bus interface
27 P2
0
I/O
Port P2 (In/output)
59 P3
4
/E
X
CS I/O
28 P2
1
I/O 60 P3
5
/E
X
WR I/O
29 P2
2
I/O 61 P3
6
/E
X
RD I/O
30 P2
3
I/O 62 P3
7
/E
X
A
0
I/O
31 P2
4
I/O 63 P1
0
/DQ
0
/AN
0
I/O
Port P1 (In/output)
32 P2
5
I/O 64 P1
1
/DQ
1
/AN
1
I/O
PIN
NO.
NAME I/O FUNCTION
PIN
NO.
NAME I/O FUNCTION
1 VCOM O Common voltage output , VA/2 15 CKS0 I
Master clock select
2 AINR+ I Rch analog positive input 16 CKS1 I
3 AINR- I Rch analog negative input 17 DIF I Digital audio interface select
4 AINL+ I Lch analog positive input 18 DFS I Double speed sampling mode
5 AINL- I Lch analog negative input 19 PDN I Power-down mode
6 VREF I Reference voltage 20 DEM0 I
De-emphasis frequency select
7 AGND - Analog 3.3V 21 DEM1 I
8 VA - Analog power supply 22 VT - Output buffer power supply
9 P/S I Paralle/serial mode select 23 VD - Digital power supply
10 MCLK I Master clock input 24 DGND - Digital ground
11 LRCK I Input/output channel clock 25 AOUTL- O Lch analog negative output
12 BICK I Audio serial data clock 26 AOUTL+ O Lch analog positive output
13 SDTO O Audio serial data output 27 AOUTR- O Rch analog negative output
14 SDTI I Audio serial data input 28 AOUTR+ O Rch analog positive output