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1.3.5
Pin Descriptions
note: The pin names described in boldface type are default settings.
Default
name
i/O
status
V
–
–
DD
aV
–
–
DD
V
–
–
SS
V
–
–
D1
V
–V
–
–
C1
C3
Ca, CB
–
–
OSC3
I
I
OSC4
O
O
OSC1
I
I
OSC2
O
O
P00
I/O I (Pull-up) I/O port pin (with port input interrupt function)
REMO O
P01
I/O I (Pull-up) I/O port pin (with port input interrupt function)
REMI
I
P02
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(eXCl0)
I
P03
I/O I (Pull-up) I/O port pin (with port input interrupt function)
#ADTRG
I
P04
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SPICLK0 I/O
P05
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SDO0 O
P06
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SDI0
I
P07
I/O I (Pull-up) I/O port pin (with port input interrupt function)
#SPISS0
I
P10
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SCLK0
I
P11
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SOUT0 O
P12
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SIN0
I
P13
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(eXCl1)
I
AIN7
I
P14
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(eXCl2)
I
AIN6
I
P15
I/O I (Pull-up) I/O port pin (with port input interrupt function)
(eXCl3)
I
AIN5
I
P16
I/O I (Pull-up) I/O port pin (with port input interrupt function)
SCLK1
I
AIN4
I
P17
I/O I (Pull-up) I/O port pin (with port input interrupt function)
AIN3
I
P20
I/O I (Pull-up) I/O port pin
AIN2
I
P21
I/O I (Pull-up) I/O port pin
AIN1
I
P22
I/O I (Pull-up) I/O port pin
AIN0
I
P23
I/O I (Pull-up) I/O port pin
SENB0 I/O
P24
I/O I (Pull-up) I/O port pin
SENA0 I/O
P25
I/O I (Pull-up) I/O port pin
REF0 I/O
S1C17624/604/622/602/621 TeChniCal Manual
Table 1.
3.5.1 Pin Descriptions
Function
Power supply pin (+)
Analog power supply pin (+)
Power supply pin (GND)
Internal operating voltage regulator output pin
LCD drive voltage output pins
LCD voltage boost capacitor connecting pin
OSC3 oscillation input pin/External clock input pin
OSC3 oscillation output pin
OSC1 oscillation input pin
OSC1 oscillation output pin
REMC output pin
REMC input pin
T16 Ch.0 external clock input pin
A/D converter external trigger input pin
SPI Ch.0 clock input/output pin
SPI Ch.0 data output pin
SPI Ch.0 data input pin
SPI Ch.0 slave select signal input pin
UART Ch.0 external clock input pin
UART Ch.0 data output pin
UART Ch.0 data input pin
T16 Ch.1 external clock input pin
A/D converter Ch.7 analog signal input pin
T16 Ch.2 external clock input pin
A/D converter Ch.6 analog signal input pin
T16E Ch.0 external clock input pin
A/D converter Ch.5 analog signal input pin
UART Ch.1 external clock input pin
A/D converter Ch.4 analog signal input pin
A/D converter Ch.3 analog signal input pin
A/D converter Ch.2 analog signal input pin
A/D converter Ch.1 analog signal input pin
A/D converter Ch.0 analog signal input pin
R/F converter Ch.0 sensor B oscillation control pin
R/F converter Ch.0 sensor A oscillation control pin
R/F converter Ch.0 reference oscillation control pin
Seiko epson Corporation
1 OVeRVieW
available ( )/unavailable (–)
17624 17604 17622 17602 17621
1-17
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