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4.5
Terminal Settings at initial Resetting
The I/O port (P) terminals are shared with special output terminals and input/output terminals of the serial interface,
R/F converter, stopwatch timer and programmable timer (event counter). These functions are selected by software.
At initial reset, these terminals are configured to the general purpose I/O port terminals. Set them according to the
system in the initial routine.
Table 4.5.1 shows the list of the shared terminal settings.
Terminal
Terminal status
name
at initial reset
P00
P00 (IN & PD
*1
)
P01
P01 (IN & PD
*1
)
P02
P02 (IN & PD
*1
)
P03
P03 (IN & PD
*1
)
P10
P10 (IN & PD
*1
)
*1
P11
P11 (IN & PD
)
*1
P12
P12 (IN & PD
)
*1
P13
P13 (IN & PD
)
P20–P21
P20–P21 (IN & PD
P22
P22 (IN & PD
*1
)
P23
P23 (IN & PD
*1
)
P30
*2
P30 (IN & PD
*1
)
P31
*2
P31 (IN & PD
*1
)
P32
*2
P32 (IN & PD
*1
)
P33
*2
P33 (IN & PD
*1
)
P40–P43
*3
P40–P43 (IN & PD
*1
P50
P50 (IN & PD
)
*1
P51
P51 (IN & PD
)
*1
P52
P52 (IN & PD
)
P53
P53 (IN & PD
*1
)
*1: IN & PD (Input with pulled down): When "Pull-Down Used" is selected by mask option (high impedance when
"Pull-Down Not Used" is selected)
*2: The P30 to P33 ports, serial interface, stopwatch direct input, TOUT_B output, and EVIN_B input functions are
not available in the S1C63003.
*3: The P40 to P43 ports are not available in the S1C63003/004.
For setting procedure of the functions, see explanations for each of the peripheral circuits.
S1C63003/004/008/016 TeChniCal Manual
(Rev. 1.1)
Table 4.
5.1 List of shared terminal settings
When special outputs/peripheral functions are used (selected by software)
Special output
TOUT
FOUT
BZ
TOUT_A
BZ
FOUT
*1
)
TOUT_B
*2
*1
)
Seiko epson Corporation
*2
Serial I/F
Master
Slave
converter
SCLK(O)
SCLK(I)
SOUT(O)
SOUT(O)
SIN(I)
SIN(I)
SRDY(O)/SS(I)
RFOUT
SEN0
REF0
RFIN0
4 iniTial ReSeT
Stopwatch
R/F
Event
direct
counter
input
*2
RUN/STOP
LAP
EVIN_A
EVIN_B
*2
4-3
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