Yamaha PSR-1500 Service Manual page 30

PSR-1500/PSR-3000
S1L50553F21Y000 (X4195A00) Gate Array
PIN
NAME I/O
NO.
1 CLKI I
2 CLKO O
3 V -
DD
4 SCANENB I/O
5 ATPGENB I/O
6 V -
SS
7 PLLTEST I
8 PLLRES I
9 PLLV -
SS
10 MV -
DD
11 PLLV -
SS
12 AV -
DD
13 CHG0
14 LPV -
SS
15 V -
SS
16 MIRQ I/O
17 MCS I
18 MWR I
19 MRD I
20 MA
21 V -
DD
22 MD0 I/O
23 MD1 I/O
24 MD2 I/O
25 MD3 I/O
26 MD4 I/O
27 MD5 I/O
28 MD6 I/O
29 MD7 I/O
30 V -
SS
31 MD8 I/O
32 V -
DD
33 MD9 I/O
34 MD10 I/O
35 MD11 I/O
36 MD12 I/O
37 MD13 I/O
38 MD14 I/O
39 MD15 I/O
40 V -
SS
AK5381VT-E2 (X5219A00) ADC
PIN
I/O
NAME
NO.
1 AINR I
2 AINL I
3 CKS1 I
4 VCOM O
5 AGND -
6 VA -
7 VD -
8 DGND -
30
FUNCTION
Clock
Power supply
Scan enable
Ground
Test
Reset
Ground
Power supply
Ground
Analog power supply
Ground
Interrupt request
Control port
Write
Read
Power supply
DRAM data bus
Ground
DRAM data bus
Power supply
DRAM data bus
Ground
FUNCTION
Rch Analog input pin
Lch Analog input pin
Mode select 1 pin
Common voltage output pin
Analog ground
Analog power supply
Digital power supply
Digital ground
PIN
NAME I/O
NO.
41 V - Power supply
DD
42 RESET I Reset
43 V - Ground
SS
44 OUT4 O
Output
45 OUT3 O
46 INP2 I
47 INP1 I Input
48 INP0 I
49 TESTENB I/O Test enable
50 V - Ground
SS
51 OSCO
52 V - Power supply
DD
53 OSCI
54 V - Ground
SS
55 SIRQ I/O Interrupt request
56 SCS I Control port
57 SWR I Write
58 SRD I Read
59 SA
60 V - Ground
SS
61 V - Power supply
DD
62 SD0 I/O
63 SD1 I/O
64 SD2 I/O
65 SD3 I/O
Serial data
66 SD4 I/O
67 SD5 I/O
68 SD6 I/O
69 SD7 I/O
70 V - Ground
SS
71 SD8 I/O Serial data
72 V - Power supply
DD
73 SD9 I/O
74 SD10 I/O
75 SD11 I/O
76 SD12 I/O Serial data
77 SD13 I/O
78 SD14 I/O
79 SD15 I/O
80 V - Ground
SS
PIN
NAME I/O
NO.
9 SDTO O Audio serial data output pin
10 LRCK I/O Output channnel clock pin
11 MCLK I Master clock input pin
12 SCLK I/O Audio serial data clock pin
13 PDN I Power down mode pin
14 DIF I Audio interface format pin
15 CKS2 I Mode select 2 pin
16 CKS0 I Mode select 0 pin
TG1: IC005 (PSR-3000)
FUNCTION
DAC1A: IC401
FUNCTION