Sharp UP-600 Service Manual page 55

9. CONNECTOR PIN TABLE
1) HOST I/F CONNECTOR
Pin No. Signal name
1 +5V
3 +5V
5 A15
7 A13
9 /DPCS
11 A11
13 /RD
15 A1
17 A3
19 A5
21 A7
23 A9
25 D6
27 D4
29 D2
31 D0
33 /INTSR
35 NC
37 GND
39 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
Pin No. Signal name
2 +5V
4 +5V
6 A14
8 A12
10 /WR
12 A10
14 A0
16 A2
18 A4
20 A6
22 A8
24 D7
26 D5
28 D3
30 D1
32 /LRES
34 /INTSW
36 NC
38 GND
40 GND
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).
1) LOCATION OF SWITCHES
The two switches are located on the board as shown below.
SW2
SW1
2) SWITCH SETTING AT SHIPPING
The factory setting of the switches are as follows:
Switch 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.
When writing data from EPROM (Master ROM) to flash memory,
switch over to 6-pin side.
Usually, SW1 is set to the marking side.
Usual setting
Writing from EPROM
(Master ROM)
3)-2. Flash memory write protect switch: SW2
SW2 inhibits writing into flash memory.
When writing data from the EPROM (Master ROM) to the flash mem-
ory.
Usually, the switch is set to the marking side.
Usual setting Writing from EPROM (Master ROM)
SW2
Details of setting
FLASH
4 1
5 2
6 3
SW1
EPROM