Yamaha UB99A Service Manual page 9

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