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1 OVERVIEW
1-8
Seiko epson Corporation
S1C17F13 TeChniCal Manual
(Rev. 1.0)
Pin/pad
name
Assigned signal
I/O
Initial state
Tolerant
fail-safe
structure
Function
P21
P21
I/O
Hi-Z
✓
General-purpose I/O port
SDI1
I
Synchronous serial interface Ch.1 data input
PIOD5
I/O
Parallel interface data input/output
P22
P22
I/O
Hi-Z
✓
General-purpose I/O port
SPICLK1
I/O
Synchronous serial interface Ch.1 clock input/output
PIOD6
I/O
Parallel interface data input/output
P23
P23
I/O
Hi-Z
✓
General-purpose I/O port
#SPISS1
I
Synchronous serial interface Ch.1 slave select input
PIOD7
I/O
Parallel interface data input/output
P24
P24
I/O
Hi-Z
✓
General-purpose I/O port
#SPISS2
I
Synchronous serial interface Ch.2 slave select input
P25
P25
I/O
Hi-Z
✓
General-purpose I/O port
SPICLK2
I/O
Synchronous serial interface Ch.2 clock input/output
P26
P26
I/O
Hi-Z
✓
General-purpose I/O port
SDI2
I
Synchronous serial interface Ch.2 data input
P27
P27
I/O
Hi-Z
✓
General-purpose I/O port
SDO2
O
Synchronous serial interface Ch.2 data output
P30
P30
I/O
Hi-Z
✓
General-purpose I/O port
EXCL1
I
16-bit PWM timer Ch.1 external clock input
RFCLKO0
O
R/F converter Ch.0 clock monitor output
P31
P31
I/O
Hi-Z
–
General-purpose I/O port
REGMON
O
Theoretical regulation clock monitor output
RFCLKO1
O
R/F converter Ch.1 clock monitor output
EXSVD
A
External power supply voltage detection input
P32
P32
I/O
Hi-Z
✓
General-purpose I/O port
TOUTB1/CAPB1
I/O
16-bit PWM timer Ch.1 TOUTB signal output/capture B trigger
signal input
PIOA0
O
Parallel interface address output
P33
P33
I/O
Hi-Z
✓
General-purpose I/O port
TOUTA1/CAPA1
I/O
16-bit PWM timer Ch.1 TOUTA signal output/capture A trigger
signal input
PIOA1
O
Parallel interface address output
P34
P34
I/O
Hi-Z
✓
General-purpose I/O port
USIN0
I
UART Ch.0 data input
PIOA2
O
Parallel interface address output
P35
P35
I/O
Hi-Z
✓
General-purpose I/O port
USOUT0
O
UART Ch.0 data output
PIOA3
O
Parallel interface address output
P36
P36
I/O
Hi-Z
✓
General-purpose I/O port
SCL0
I/O
I
2
C Ch.0 clock input/output
PIOD0
I/O
Parallel interface data input/output
P37
P37
I/O
Hi-Z
✓
General-purpose I/O port
SDA0
I/O
I
2
C Ch.0 data input/output
PIOD1
I/O
Parallel interface data input/output
P40
P40
I/O
Hi-Z
✓
General-purpose I/O port
USIN0
I
UART Ch.0 data input
PIOD2
I/O
Parallel interface data input/output
P41
P41
I/O
Hi-Z
✓
General-purpose I/O port
USOUT0
O
UART Ch.0 data output
PIOD3
I/O
Parallel interface data input/output
PD0
DST2
O
O (L)
✓
On-chip debugger status output
PD0
I/O
General-purpose I/O port
PD1
DSIO
I/O
I (pull-up)
✓
On-chip debugger data input/output
PD1
I/O
General-purpose I/O port
PD2
DCLK
O
O (H)
✓
On-chip debugger clock output
PD2
O
General-purpose I/O port
Note: In the peripheral circuit descriptions, the assigned signal name is used as the pin name.