Lsi Pin Description; Ic Block Diagram - Yamaha Silent Guitar SLG-100N Service Manual

SLG-100N

LSI PIN DESCRIPTION

YSS234 (XN299A00)
PIN
NAME I/O
NO.
1 MD4 I/O
2 MD3 I/O
3 MD0 I/O
4 MD1 I/O
5 MD2 I/O
6 MCKO O
7 XO O
8 XI I
9 ER0 I
10 ER1 I
11 ER2 I
12 REV0 I
13 REV1 I
14 REV2 I
15 MUTEN I
16 ICN I
17 PRG I
18 MODE I
19 VSS -
20 AVSS -
21 CVA -
22 AORL O
23 AORR O
24 CHL I
25 AIL I
26 VDD -
27 AIR I
28 CHR I
29 AOFL O
30 AOFR O
31 AVDD -
32 CVB I

IC BLOCK DIAGRAM

NJM3404AM (XM527A00)
Dual Operational Amplifier
MA: IC08-13
PUP: IC15
Output A
1 +V 8
Inverting
2 7
Input A
- +
Non-Inverting
3 6
+ -
Input A
Ground
4 -V 5
10
DSP (Digital Sound Processor)
FUNCTION





External RAM interface data




Master clock output
Crystal oscillator connection
Crystal oscillator connection


Eary refrection preset select





 Effect select


DC D+5V
Initial clear
DC D+5V
Preset mode (H=DC +5V)
Ground
Ground
N.C.
N.C.
N.C.
Sample hold capacitor connection
Lch ADC input
DC D+5V
Rch ADC input
Sample hold capacitor connection
Lch DAC output
Rch DAC output
DC A+5V
Rch midpoint voltage
NJM3414AM (XR294A00)
Dual Operational Amplifier
MA: IC14
+DC Voltage
Output A
Supply
Inverting
Output B
Input A
Inverting Non-Inverting
Input B Input A
Non-Inverting
-DC Voltage Supply
Input B
PIN
NAME
NO.
33 AVDD
34 VDD
35 TST0
36 TST1
37 DOEN
38 SDO1
39 SDO0
40 WC
41 BCO
42 MA0
43 MA1
44 MA2
45 MA3
46 MA4
47 MA5
48 MA6
49 MA7
50 MA12
51 MA14
52 VSS
53 MA10
54 MA011
55 MA09
56 MA8
57 MA13
58 VDD
59 WEN
60 OEN
61 CEN
62 MD7
63 MD6
64 MD5
+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 -V 5
Input B
I/O FUNCTION
- DC A+5Vs bus
- DC D+5V
- DC D+5V
- DC D+5V
- DC D+5V
O N.C.
O N.C.
O N.C.
O N.C
O 

O


O


O


O


O External RAM interface address


O


O


O


O
- Ground

O

O 

O  External RAM interface address

O


O

- DC D+5V
I Write enable
I Output enable
I Chip select
I/O


I/O External RAM interface data


I/O

MA: IC01