Read Sharp DV-700 (serv.man3) Service Manual online
DV-700S
DV-760S/H
DV-760S/H
11-9. IC507 BR93L46F
EEPROM
Terminal
Terminal name
In/Output
Function
2
VCC
–
Power
7
GND
–
All input/output reference voltage, 0V
3
CS
Input
Tip select input
4
CLK
Input
Sirial clock input
5
DIN
Input
Start bit, operation code, address and serial data input
6
OCNT
Output
Serial data output, READY/BUSY internal status indication output
• Block Diagram
C S
S K
D I
D O
Dummy bit
Instruction
register
register
Data
resistor
resistor
R/W
Amp.
Address
buffer
buffer
Address
Decoder
Decoder
Instruction decode control
clock generation
Wave voltage
detection
detection
Write
inhibition
inhibition
High voltage
generation
generation
bit
EEPROM
Aray
1,024
6bit
6bit
16bit
16bit
1
VDD
–
Digitan power +3.3V
2
HADR (0)
Input
CPU Address bus
3
HADR (1)
Input
CPU Address bus
4
HADR (2)
Input
CPU Address bus
5
HADR (3)
Input
CPU Address bus
6
HADR (4)
Input
CPU Address bus
7
HADR (5)
Input
CPU Address bus
8
VSS
–
Digital GND
9
VDD
–
Digitan power +3.3V
10
HADR (6)
Input
CPU Address bus
11
HADR (7)
Input
CPU Address bus
12
HADAT (0)
Input
CPU Data bus
13
HADAT (1)
Input
CPU Data bus
14
HADAT (2)
Input
CPU Data bus
15
HADAT (3)
Input
CPU Data bus
16
VSS
–
Digital GND
17
VDD
–
Digitan power +3.3V
18
HADAT (4)
Input
CPU Data bus
19
HADAT (5)
Input
CPU Data bus
20
HADAT (6)
Input
CPU Data bus
21
HADAT (7)
Input
CPU Data bus
22
INT
Input
CPU Data bus
23
WAIT
Input
CPU Data bus
24
VSS
–
Digital GND
25
VDD
–
Digitan power +3.3V
26
HRD
Input
CPU read signal
27
HWR
Input
CPU write signal
28
HAS
Input
CPU address strobe signal
29
HCS
Input
CPU tip select signal
30
HIM
Input
CPU bus control selection signal (I/M mode = H/L)
11-10. IC508 IX1516GE
GAMMA S-P-TONE
Terminal
Terminal name
In/Output
Function
11-9
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