Manualsbrain.com
  1. Manuali
  2. Marche
  3. Casio
  4. CTK-750
  5. Manuale Utente

Casio CTK-750 Manuale Utente

Scarica
Pagina di 30
— 9 —
DSP
HG51A115A01FD
Effect RAM (256K-bit)
HM65256BLP
Sound Source ROM
TC5316200CP-C081
CE
A0 ~ A19
D0 ~ D15
RA0 ~
RA19
RD0 ~
RD15
RA22
D0 ~ D7
A0 ~ A3
LSIS
RDAPO
WRAPO
RESET
SOLP
BOK
WOK1
EA0 ~
EA14
ED0 ~
ED15
CS
WE
OE
D0 ~ D15
A0 ~ A14
ECEB EOEB EWEB
PG
16.384MHz
DAC
UPD6376CX
LOUT
ROUT
SOLP: Sound data
BOK: Bit clock
WOK1: Word clock
SI
CLK
LRCK
Block diagram of  DSP and DAC circuit
Pin No.
Terminal
In/Out
Function
93
VCC5
In
   +5V source
94, 95
97 ~ 105
107,109 
110, 112
EA0 ~ EA14
Out
   Address bus for the effect RAM
96
EWEB
Out
   Write enable signal output for the effect RAM
106
EOEB
Out
   Read enable signal output for the effect RAM
108
VCC7
In
   +5V source  
111
ECEB
Out
   Chip select signal output for the effect RAM
113 ~ 117
   Not used.
118
VCC4
In
   +5V source
119
GND4
In
   Ground (0V) source
120 ~ 122
   Not sued.
123 ~ 130
ED0 ~ ED7
In/Out
   Data bus for the effect RAM
131
GND5
In
   Ground (0V) source
132 ~ 134
   Not used. Connected to ground.
135, 136
   Not used.