Read Sharp UP-600 / UP-700 (serv.man20) Service Manual online
CHAPTER 9. CONNECTOR PIN TABLE
(1) HOST I/F CONNECTOR
Pin No.
Signal name
Pin No.
Signal name
1
+5V
2
+5V
3
+5V
4
+5V
5
A15
6
A14
7
A13
8
A12
9
/DPCS
10
/WR
11
A11
12
A10
13
/RD
14
A0
15
A1
16
A2
17
A3
18
A4
19
A5
20
A6
21
A7
22
A8
23
A9
24
D7
25
D6
26
D5
27
D4
28
D3
29
D2
30
D1
31
D0
32
/LRES
33
/INTSR
34
/INTSW
35
NC
36
NC
37
GND
38
GND
39
GND
40
GND
(2) RELAY CABLE
Pin No.
Signal name
1
TX+
2
TX-
3
RX+
4
RX-
5
GND
(3) RJ-45 CONNECTOR
Pin No.
Signal name
1
TX+
2
TX-
3
RX+
4
NC
5
NC
6
RX-
7
NC
8
NC
CHAPTER 10. SWITCH SETTING
The board has two switches on it: program loading EPROM(Master ROM)
selection switch (SW1) and flash memory write protect switch (SW2).
selection switch (SW1) and flash memory write protect switch (SW2).
(1) LOCATION OF SWITCHES
The two switches are located on the board as shown below.
(2) SWITCH SETTING AT SHIPPING
The factory setting of the switches are as follows:
Switch
Setting
Details of setting
SW1
4pin side
Boot from FLASH MEMORY
SW2
GND side
Write protect into FLASH MEMORY
(3) FUNCTIONS OF THE SWITCHES
(3) -1. Program loading EPROM
(Master ROM) selection switch: SW1
SW1 selects booting from EPROM (Master ROM) to write program
data into flash memory.
data into flash memory.
When writing data from EPROM (Master ROM) to flash memory,
switch over to 6-pin side.
switch over to 6-pin side.
Usually, SW1 is set to marking side.
(3) -2. Flash memory write protect switch: SW2
SW2 inhibits writing into flash memory.
When writing data from EPROM (Master ROM) to flash memory,
switch over to Vcc side.
switch over to Vcc side.
Usually, the switch is set to the marking side.
SW1
SW2
4
5
6
1
2
3
FLASH
EPROM
SW1
Usual setting
Writing from EPROM
(Master ROM)
(Master ROM)
SW2
GN
D
VCC
Usual setting
Writing from EPROM (Master ROM)
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