Roland AT-80SL - Block Diagram 2; Tone Generator

68
Jun. 2005
BLOCK DIAGRAM 2
fig.blockmain
HD6417709AF133B
CPU(SH-3)
E28F640J3
Bus(Address,Data,
C
SCI0(UART)
M62320
SCI2(GDB,IRDA)
SCI1 (MIDI)
H-UDI
Flash MEM
O
8Mbyte
AREA0 16bit
XP6
XP6
NIU
ESP2
Master
Digital Link
Tone Generator
SURUGA
H8/300
3216
IIC
OWARI
H8/300H
3060
IIC
IIC
PEDAL MAIN BO
A
KEYBOARD
EXP. PEDAL
DAMPE
R
PISTON
PANEL
IIC 400kbit/s
64kByte ROM
2kByte RAM
Tokaido 500kbit/s
TxD
RxD
RxD
RxD
TxD
TxD
SCL
SDA
20key
2Kick SW
10Piston
AD
INT
64kByte ROM
2kByte RAM
w/z
Universal Expansion CN
Wave ROM
128Mbit x 4
3.3V Area
IC6
IC36
IC35
IC66
IC65
IC62,63, 67,68
IC42,43
IC112
Wave ROM
128Mbit x 2
X
P
X
P
ESP2