1 OVeRVieW
1-18
Seiko epson Corporation
S1C17624/604/622/602/621 TeChniCal Manual
name
i/O
Default
status
Function
available ( )/unavailable (–)
17624 17604 17622 17602 17621
P26
I/O I (Pull-up) I/O port pin
RFIN0 I/O
R/F converter Ch.0 RFCLK input and oscillation control pin
P27
I/O I (Pull-up) I/O port pin
SOUT1 O
UART Ch.1 data output pin
RFIN1 I/O
R/F converter Ch.1 RFCLK input and oscillation control pin
P30
I/O I (Pull-up) I/O port pin
SIN1 I
UART Ch.1 data input pin
REF1 I/O
R/F converter Ch.1 reference oscillation control pin
P31
I/O I (Pull-up) I/O port pin
SCL0 I/O
I
2
C master SCL input/output pin
SENA1 I/O
R/F converter Ch.1 sensor A oscillation control pin
TOUTA5 O
T16A2 Ch.0 TOUT A signal output pin
–
–
–
CAPA5 I
T16A2 Ch.0 capture A trigger signal input pin
P32
I/O I (Pull-up) I/O port pin
SDA0 I/O
I
2
C master data input/output pin
SENB1 I/O
R/F converter Ch.1 sensor B oscillation control pin
TOUTB5 O
T16A2 Ch.0 TOUT B signal output pin
–
–
–
CAPB5 I
T16A2 Ch.0 capture B trigger signal input pin
P33
I/O I (Pull-up) I/O port pin
SCL1 I/O
I
2
C slave SCL input/output pin
SCL0 I/O
I
2
C master SCL input/output pin
TOUTA6 O
T16A2 Ch.1 TOUT A signal output pin
–
–
–
CAPA6 I
T16A2 Ch.1 capture A trigger signal input pin
P34
I/O I (Pull-up) I/O port pin
SDA1 I/O
I
2
C slave data input/output pin
SDA0 I/O
I
2
C master data input/output pin
TOUTB6 O
T16A2 Ch.1 TOUT B signal output pin
–
–
–
CAPB6 I
T16A2 Ch.1 capture B trigger signal input pin
P35
I/O I (Pull-up) I/O port pin
FOUT1 O
OSC1 clock external output pin
#BFR I
I
2
C slave bus free request input pin
P36
I/O I (Pull-up) I/O port pin
(eXCl5)
I
T16A2 Ch.0 external clock input pin
–
–
–
TOUT3 O
T16E Ch.0 PWM signal non-inverted output pin
RFCLKO O
R/F clock monitor output pin
P37
I/O I (Pull-up) I/O port pin
(eXCl6)
I
T16A2 Ch.1 external clock input pin
–
–
–
TOUTN3 O
T16E Ch.0 PWM signal inverted output pin
LFRO O
LCD frame signal output pin
TOUT4 O
T8OSC1 PWM signal non-inverted output pin
P40
I/O I (Pull-up) I/O port pin
FOUTH O
IOSC/OSC3 clock external output pin
DSiO
I/O I (Pull-up) On-chip debugger data input/output pin
P41 I/O
I/O port pin
DST2
O
O (L)
On-chip debugger status output pin
P42 I/O
I/O port pin
DClK
O
O (H)
On-chip debugger clock output pin
P43 O
Output port pin
P44
I/O I (Pull-up) I/O port pin
–
–
–
SCL1 I/O
I
2
C slave SCL input/output pin
P45
I/O I (Pull-up) I/O port pin
–
–
–
SDA1 I/O
I
2
C slave data input/output pin
P46
I/O I (Pull-up) I/O port pin
–
–
–
RFCLKO O
R/F clock monitor output pin
P47
I/O I (Pull-up) I/O port pin
–
–
–
(eXCl5)
I
T16A2 Ch.0 external clock input pin
–
TOUT4 O
T8OSC1 PWM signal non-inverted output pin
P50
I/O I (Pull-up) I/O port pin
–
–
–
(eXCl6)
I
T16A2 Ch.1 external clock input pin
–
SCLK1 I
UART Ch.1 external clock input pin