
2. Function and name of each component
8
Seiko Epson Corporation
S5U1C17564T Manual
(Rev.1.0)
2.2
Function of each component
2.2.1
Jumper switch function
Table 2.2.1 List of jumper functions on the peripheral board (initial settings)
Selection of power supply
Board
Series
Jumper SW
number
Function
Coin battery
External power
supply (CN1)
power supply SW1
External power
supply SW
OPEN
SHORT : on
SW3
Coin battery SW
SHORT : on
OPEN
regulater SW2
shutdown
OPEN
SW16
REG-enable
SHORT
SW4 P52-Lo
:
shutdown OPEN
SW5
REG-OUT
SHORT
SW6
PS-OUT
OPEN
level shifter
SW29
HVDD-IN
SHORT
SW30
RVDD-IN
SHORT
SW37
GND
SHORT
panel SW9
-
SHORT
SW12
-
SHORT
SW7
- OPEN
SW8
- OPEN
SW10
- OPEN
SW11
- OPEN
bypass SW31
levelshifter
bypass
OPEN
SW32 levelshifter
bypass
OPEN
SW33 levelshifter
bypass
OPEN
SW34 levelshifter
bypass
OPEN
SW35 levelshifter
bypass
OPEN
SW36 levelshifter
bypass
OPEN
offset
SW17
P45:Hi by SHORT
OPEN
SW18
P45:Lo by SHORT
OPEN
SW19
P44:Hi by SHORT
OPEN
SW20
P44:Lo by SHORT
OPEN
SW21
P43:Hi by SHORT
OPEN
SW22
P43:Lo by SHORT
OPEN
SW23
P42:Hi by SHORT
OPEN
SW24
P42:Lo by SHORT
OPEN
SW25
P41:Hi by SHORT
OPEN
SW26
P41:Lo by SHORT
OPEN
SW27
P40:Hi by SHORT
OPEN
Peripheral
SW28
P40:Lo by SHORT
OPEN