Yamaha A5000 - Page 11

A5000/A4000
11
D65611GB-039-3B (XS323A00) ENI
PIN
NO.
NAME I/O FUNCTION
PIN
NO.
NAME I/O FUNCTION
1
CLRN I
Clear Status 23
P3 I/O
2
E1A I
Rotary Encoder 1 Input A 24
P4 I/O
3
E1B I
Rotary Encoder 1 Input B 25
P5 I/O
4
E2A I
Rotary Encoder 2 Input A 26
P6 I/O
I/O Port
5
E2B I
Rotary Encoder 2 Input B 27
P7 I/O
6
E3A I
Rotary Encoder 3 Input A 28
D0 I/O
7
E3B I
Rotary Encoder 3 Input B 29
D1 I/O
8
E4A I
Rotary Encoder 4 Input A 30
GND -
Ground
9
E4B I
Rotary Encoder 4 Input B 31
D2 I/O
10
E5A I
Rotary Encoder 5 Input A 32
D3 I/O
CPU Data Bus
11
E5B I
Rotary Encoder 5 Input B 33
D4 I/O
12
E6A I
Rotary Encoder 6 Input A 34
GND -
Ground
13
E6B I
Rotary Encoder 6 Input B 35
D5 I/O
14
E7A I
Rotary Encoder 7 Input A 36
D6 I/O
CPU Data Bus
15
E7B I
Rotary Encoder 7 Input B 37
D7 I/O
16
VDD -
Power Supply 38
GND -
Ground
17
GND -
Ground 39
VDD -
Power Supply
18
E8A I
Rotary Encoder 8 Input A 40
A0 I
Address Bus
19
E8B I
Rotary Encoder 8 Input B 41
A1 I
Address Bus
20
P0 I/O
42
WRN I
Write Enable
21
P1 I/O
I/O Port 43
RDN I
Read Enable
22
P2 I/O
44
CSN I
Chip Select
D65621GF-028-3B9 (XS370A00) SMI
PIN
NO.
NAME I/O FUNCTION
PIN
NO.
NAME I/O FUNCTION
1
LMA24 I 41
VDD - Power Supply
2
LMA23 I 42
L1RAS2 O
RAS2 for LoMem SIMM 1
3
LMA22 I 43
L1RAS3 O
RAS3 for LoMem SIMM 1
4
LMA21 I Low Memory Address 44
GND - Ground
5
LMA20 I 45
HDRAS0 O
RAS for HiMem DRAM 0
6
LMA19 I 46
HDRAS1 O
RAS for HiMem DRAM 1
7
LMA18 I 47
GND - Ground
8
HMA24
I 48
VDD - Power Supply
9
HMA23
I High Memory Address 49
LDRAS0 O
RAS for LoMem DRAM 0
10
HMA22
I 50
LDRAS1 O
RAS for LoMem DRAM 1
11
HMA21
I 51
LMA1 I Low Memory Address
12
GND - Ground 52
LMA0 I
13
HMA20
I 53
GND - No.53
14
HMA19
I High Memory Address 54
LMA1X O
Low Memory Address Exchanged
15
HMA18
I 55
LMA0X O
16
RASN I Row Address Strobe 56
GND - Ground
17
H0RAS0
O
RAS0 for HiMem SIMM 0 57
VDD - Power Supply
18
H0RAS1
O
RAS1 for HiMem SIMM 0 58
HMA1 I High Memory Address
19
GND - Ground 59
HMA0 I
20
H0RAS2
O
RAS2 for HiMem SIMM 0 60
HMA1X O
High Memory Address Exchanged
21
H0RAS3
O
RAS3 for HiMem SIMM 0 61
HMA0X O
22
GND - Ground 62
D0 I Data Input
23
VDD - Power Supply 63
D1 I
24
L0RAS0
O
RAS0 for LoMem SIMM 0 64
GND - Ground
25
L0RAS1
O
RAS1 for LoMem SIMM 0 65
D2 I
26
GND - Ground 66
D3 I Data Input
27
L0RAS2
O
RAS2 for LoMem SIMM 0 67
D4 I
28
L0RAS3
O
RAS3 for LoMem SIMM 0 68
D5 I
29
GND - Ground 69
A2 I Address
30
VDD - Power Supply 70
WRN I Write
31
H1RAS0
O
RAS0 for HiMem SIMM 1 71
GND - Ground
32
H1RAS1
O
RAS1 for HiMem SIMM 1 72
VDD - Power Supply
33
GND - Ground 73
CSN I Chip Select
34
VDD - Power Supply 74
A0 I Address
35
H1RAS2
O
RAS2 for HiMem SIMM 1 75
A1 I
36
H1RAS3
O
RAS3 for HiMem SIMM 1 76
MCLK I Clock (37MHz)
37
GND - Ground 77
SYI I Sync Clock (48kHz)
38
L1RAS0
O
RAS0 for LoMem SIMM 1 78
HBANK O
HiMem Bank Select 01/23
39
L1RAS1
O
RAS1 for LoMem SIMM 1 79
LBANK O
LoMem Bank Select 01/23
40
GND - Ground 80
REFRN O
Refresh Timing
(IC11)
(IC516)