Read Sharp DV-700 (serv.man3) Service Manual online
DV-700S
DV-760S/H
DV-760S/H
11-7. IC504 IX1478GE
SYSCON
MD
2
V
cc
V
cc
V
cc
V
cc
V
cc
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
V
ss
PD
7
/D
15
PD
6
/D
14
PD
5
/D
13
PD
4
/D
12
PD
3
/D
11
PD
2
/D
10
PD
1
/D
9
PD
0
/D
8
PE
7
/D
7
PE
6
/D
6
PE
5
/D
5
PE
4
/D
4
PE
3
/D
3
PE
2
/D
2
PE
1
/D
1
PE
0
/D
0
PA
7
/A
23
/IRQ7
PA
6
/A
22
/IRQ6
MD
1
MD
0
PF
7
/ø
PF
6
/AS
PF
5
/RD
PF
4
/HWR
EXTAL
XTAL
STBY
RES
WDTOVF
NMI
XTAL
STBY
RES
WDTOVF
NMI
PF
3
/LWR
PF
1
/BACK
PF
0
/BREQ
PG
4
/CS0
PG
3
/CS1
PG
2
/CS2
PG
1
/CS3
PG
0
/CAS
P6
7
/CS7/IRQ3
P6
6
/CS6/IRQ2
P6
5
/IRQ1
P6
4
/IRQ0
P6
3
/TEND1
P6
2
/DREQ1
P6
1
/TEND0/CS5
P6
0
/DREQ0/CS4
PF
2
/LCAS/WAIT/BFEQO
P1
0
/PO8/TIOCA0/DACK0
P1
1
/PO9/TIOCB0/DACK1
P1
2
/PO10/TIOCC0/TCLKA
P1
3
/PO11/TIOCD0/TCLKB
P1
4
/PO12/TIOCA1
P1
5
/PO13/TIOCB1/TCLKC
P1
6
/PO14/TIOCA2
P1
7
/PO15/TIOCB2/TCLKD
P2
0
/PO0/TIOCA3
P2
1
/PO1/TIOCB3
P2
2
/PO2/TIOCC3
P2
3
/PO3/TIOCD3
P2
4
/PO4/TIOCA4
P2
5
/PO5/TIOCB4
P2
6
/PO6/TIOCA5
P2
7
/PO7/TIOCB5
P4
7
/AN7/DA1
P4
6
/AN6/DA0
P4
5
/AN5
P4
4
/AN4
P4
3
/AN3
P4
2
/AN2
P4
1
/AN1
P4
0
/AN0
V
ref
AV
cc
AV
ss
PA
5
/A
21
/IRQ5
PA
4
/A
20
/IRQ4
PA
3
/A
19
PA
2
/A
18
PA
1
/A
17
PA
0
/A
16
PB
7
/A
15
PB
6
/A
14
PB
5
/A
13
PB
4
/A
12
PB
3
/A
11
PB
2
/A
10
PB
1
/A
9
PB
0
/A
8
PC
7
/A
7
PC
6
/A
6
PC
5
/A
5
PC
4
/A
4
PC
3
/A
3
PC
2
/A
2
PC
1
/A
1
PC
0
/A
0
P3
5
/SCK1
P3
4
/SCK0
P3
3
/RxD1
P3
2
/RxD0
P3
1
/TxD1
P3
0
/TxD0
P5
0
P5
1
P5
2
P5
3
/ADTRG
ROM *
RAM
TPU
PPG
SCI
WDT
DMAC
DTC
H8S/2000 CPU
D/A converter
A/D converter
Clock oscillator
Interruption
controller
Bass Controller
Port D
Port F
Port G
Port 6
Port 5
Port 3
Port C
Port B
Port A
Port E
Port 1
Port 2
Port 4
Internal data bus
Peripheral data bus
Peripheral address bus
Internal address bus
131072 WORDS
X 8 BYS
X 8 BYS
(1024 ROWS
X126 COLUMNS
X8 BL9OCKS)
X126 COLUMNS
X8 BL9OCKS)
8
7
6
5
4
3
31
28
27
12
10
9
23
25
26
11
2
13
14
15
17
18
19
20
21
29
22
30
24
32
16
A4
A5
A6
A7
A12
A14
A16
A15
A13
A8
A0
A2
A3
A1
A9
A10
A11
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
R/W
CE1
CE2
OE
VDD
(5V)
(5V)
GND
(0V)
(0V)
ADDRESS INPUT
BUFFER
ROW
DECORDER
SENSE AMP.
OUTPUT
BUFFER
DATA INPUT
BUFFER
CLOCK
GENERATOR
COLUMN
DECODER
ADDRESS INPUT
BUFFER
ADDRESS INPUT
BUFFER
BLOCK
DECODER
11-8. IC506 IX1618GE
1M SRAM
11-8
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