Yamaha N-100, Service Manual, Page: 17 / 69

17
N-100
LSI PIN DESCRIPTION
HD6433690B70FYV (X6008200) CPU (E-HOSTs) ............................................................................ 17
YMW767-VTZ (X6055A00) CPU (SWL01B) ...................................................................................... 18
AK4385ET (X6040A00) DAC (Digital to Analog Converter) ............................................................... 19
µ
PD780031AYGK-N04 (X0031200) E-LKS ....................................................................................... 19
HD6433690B70FYV (X6008200) CPU (E-HOSTs)
DM: IC024
PIN
NO.
NAME
I/O FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
Analog Power Supply (+3.3V) (Pull Up)
Sub Clock Output - (NC)
Sub Clock Input - (NC)
Internal Power Supply (+3.3V) - (NC)
RESET input - (NC)
TEST input - (NC)
Ground (Pull Up or Vcc)
Clock output - (NC)
Clock input - (NC)
Power supply SCK3 (Main CPU)
- (NC) RXD (Pull Up)
- (NC) TXD (Main CPU)
Active Sensing ON/OFF /IRQ0 (Main CPU)
- (NC) - (NC)
- (NC) - (NC)
- (NC) - (NC)
- (NC) Analog Controller (AN4)
- (NC) Analog Controller (AN5)
/E-IC Analog Controller (AN6)
SDA Analog Controller (AN7)
SCL Analog Controller (AN3)
- (NC) Analog Controller (AN2)
- (NC) Analog Controller (AN1)
- (NC) Analog Controller (AN0)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
-
O
I
-
I
I
-
O
I
-
O
O
I
O
O
O
O
O
O
I/O
I/O
O
O
O
Avcc
X2
X1
Vcl
/RES
TEST
Vss
OSC2
OSC1
Vcc
P50
P51
P52
P53
P54
P55
P10
P11
P12
P56
P57
P74
P75
P76
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48 /NMI
P80
P81
P82
P83
P84
P85
P86
P87
P20
P21
P22
P14
P15
P16
P17
PB4
PB5
PB6
PB7
PB3
PB2
PB1
PB0
I
O
O
O
O
O
I
O
O
O
I
O
I
O
O
O
I
I
I
I
I
I
I
I