2. Function and name of each component
S5U1C17564T Manual
Seiko Epson Corporation
9
(Rev.1.0)
2.2.2
Function of each part
Table 2.2.3 List of parts and functions of each component of the peripheral board.
Part name
Location
Function
IC U1
Power regulator for panel
U2, U3
Level-shifter MCU -> EPD
U4
Level-shifter EPD -> MCU
Connecter
J1 to J4
Interface to the CPU board
CN1
Connector to the external power supply for the
peripheral board
CN2
Connector to the EPD panel (used for all 1.5", 2",
and 3"W)
CN3
Connector to the power supply for the EPD panel
on the peripheral board
Thermistor R4
Thermistor for the measurement of the ambient
temperature.
MOS-FET Q1
Used for control of the EPD panel
Tact switch
SW13 to SW15
P20-P22 port input switches
CR2032 holder
V0
Holder for a coin battery used for operation
check
