1 OVERVIEW
S1C17624/604/622/602/621 TECHNICAL MANUAL
Seiko Epson Corporation
1-17
Pin Descriptions1.3.5
Note: The pin names described in boldface type are default settings.
3.5.1 Pin DescriptionsTable 1.
Name I/O
Default
status
Function
Available ( )/unavailable (–)
17624 17604 17622 17602 17621
V
DD
– – Power supply pin (+)
AVDD
– – Analog power supply pin (+)
VSS
– – Power supply pin (GND)
VD1
– – Internal operating voltage regulator output pin
VC1–VC3
– – LCD drive voltage output pins
CA, CB
– – LCD voltage boost capacitor connecting pin
OSC3
I I OSC3 oscillation input pin/External clock input pin
OSC4
O O OSC3 oscillation output pin
OSC1
I I OSC1 oscillation input pin
OSC2
O O OSC1 oscillation output pin
P00
I/O I (Pull-up) I/O port pin (with port input interrupt function)
REMO O REMC output pin
P01
I/O I (Pull-up) I/O port pin (with port input interrupt function)
REMI I REMC input pin
P02
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(EXCL0)
I T16 Ch.0 external clock input pin
P03
I/O I (Pull-up) I/O port pin (with port input interrupt function)
#ADTRG I A/D converter external trigger input pin
P04
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SPICLK0 I/O SPI Ch.0 clock input/output pin
P05
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SDO0 O SPI Ch.0 data output pin
P06
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SDI0 I SPI Ch.0 data input pin
P07
I/O I (Pull-up) I/O port pin (with port input interrupt function)
#SPISS0 I SPI Ch.0 slave select signal input pin
P10
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SCLK0 I UART Ch.0 external clock input pin
P11
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SOUT0 O UART Ch.0 data output pin
P12
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SIN0 I UART Ch.0 data input pin
P13
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(EXCL1)
I T16 Ch.1 external clock input pin
AIN7 I A/D converter Ch.7 analog signal input pin
P14
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(EXCL2)
I T16 Ch.2 external clock input pin
AIN6 I A/D converter Ch.6 analog signal input pin
P15
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(EXCL3)
I T16E Ch.0 external clock input pin
AIN5 I A/D converter Ch.5 analog signal input pin
P16
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SCLK1 I UART Ch.1 external clock input pin
AIN4 I A/D converter Ch.4 analog signal input pin
P17
I/O I (Pull-up) I/O port pin (with port input interrupt function)
AIN3 I A/D converter Ch.3 analog signal input pin
P20
I/O I (Pull-up) I/O port pin
AIN2 I A/D converter Ch.2 analog signal input pin
P21
I/O I (Pull-up) I/O port pin
AIN1 I A/D converter Ch.1 analog signal input pin
P22
I/O I (Pull-up) I/O port pin
AIN0 I A/D converter Ch.0 analog signal input pin
P23
I/O I (Pull-up) I/O port pin
SENB0 I/O R/F converter Ch.0 sensor B oscillation control pin
P24
I/O I (Pull-up) I/O port pin
SENA0 I/O R/F converter Ch.0 sensor A oscillation control pin
P25
I/O I (Pull-up) I/O port pin
REF0 I/O R/F converter Ch.0 reference oscillation control pin
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