![](http://datasheet.mmic.net.cn/120000/S1C17564F00E10C_datasheet_3574343/S1C17564F00E10C_25.png)
1 OVERVIEW
S1C17554/564 TECHNICAL MANUAL
Seiko Epson Corporation
1-13
Name
I/O
Default
status
Function
Available ( )/unavailable (–)
S1C17554
S1C17564
WCSP
TQFP/
Chip
TQFP/
Chip
P25
I/O I(Pull-up) I/O port pin
#BFR I
I2C slave bus free request input pin
#SPISS2 I
SPI Ch.2 slave select signal input pin
P26
I/O I(Pull-up) I/O port pin
SDA1 I/O
I2C slave data input/output pin
P27
I/O I(Pull-up) I/O port pin
SCL1 I/O
I2C slave SCL input/output pin
P30
I/O I(Pull-up) I/O port pin
TOUT0 O
T16A Ch.0 TOUT A signal output pin
CAP0 I
T16A Ch.0 capture A trigger signal input pin
P31
I/O I(Pull-up) I/O port pin
#BFR I
I2C slave bus free request input pin
#ADTRG I
A/D converter external trigger input pin
P32
I/O I(Pull-up) I/O port pin
TOUT4 O
T16A Ch.2 TOUT A signal output pin
CAP4 I
T16A Ch.2 capture A trigger signal input pin
FOUTA O
Clock output pin
P33
I/O I(Pull-up) I/O port pin
REMI I
REMC input pin
SPICLK2 I/O
SPI Ch.2 clock input/output pin
P34
I/O I(Pull-up) I/O port pin
REMO O
REMC output pin
#SPISS1 I
SPI Ch.1 slave select signal input pin
DCLK
O
O(H)
On-chip debugger clock output pin
P35 I/O
I/O port pin
DSIO
I/O I(Pull-up) On-chip debugger data input/output pin
P36 I/O
I/O port pin
DST2
O
O(L)
On-chip debugger status output pin
P37 I/O
I/O port pin
P40
I/O I(Pull-up) I/O port pin
SIN0 I
UART Ch.0 data input pin
TOUT6 O
T16A Ch.3 TOUT A signal output pin
CAP6 I
T16A Ch.3 capture A trigger signal input pin
P41
I/O I(Pull-up) I/O port pin
SOUT0 O
UART Ch.0 data output pin
TOUT7 O
T16A Ch.3 TOUT B signal output pin
CAP7 I
T16A Ch.3 capture B trigger signal input pin
P42
I/O I(Pull-up) I/O port pin
SCLK0 I
UART Ch.0 external clock input pin
TOUT1 O
T16A Ch.0 TOUT B signal output pin
CAP1 I
T16A Ch.0 capture B trigger signal input pin
P43
I/O I(Pull-up) I/O port pin
SDA1 I/O
I2C slave data input/output pin
REMI I
REMC input pin
P44
I/O I(Pull-up) I/O port pin
SCL1 I/O
I2C slave SCL input/output pin
REMO O
REMC output pin
P45 (EXCL0) I/O I(Pull-up) I/O port pin (T16A Ch.0 external clock input pin)
SDA0 I/O
I2C master data input/output pin
P50
I/O I(Pull-up) I/O port pin
–
US_SDI0 I/O
USI Ch.0 data input/output pin (S1C17564)
–
P51
I/O I(Pull-up) I/O port pin
–
US_SDO0 O
USI Ch.0 data output pin (S1C17564)
–
P52
I/O I(Pull-up) I/O port pin
–
US_SCK0 I/O
USI Ch.0 clock input/output pin (S1C17564)
–
P53
I/O I(Pull-up) I/O port pin
–
US_SDI1 I/O
USI Ch.1 data input/output pin (S1C17564)
–
P54
I/O I(Pull-up) I/O port pin
–
US_SDO1 O
USI Ch.1 data output pin (S1C17564)
–
P55
I/O I(Pull-up) I/O port pin
–
US_SCK1 I/O
USI Ch.1 clock input/output pin (S1C17564)
–