Terminal Settings At Initial Resetting - Epson S1C63616 Technical Manual

2.2.4 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 the 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 2.2.4.1 shows the list of the shared terminal settings.
Terminal Terminal status
name at initial reset
P00 P00 (Input & pulled down∗)
P01 P01 (Input & pulled down∗)
P02 P02 (Input & pulled down∗)
P03 P03 (Input & pulled down∗)
P10 P10 (Input & pulled down∗)
P11 P11 (Input & pulled down∗)
P12 P12 (Input & pulled down∗)
P13 P13 (Input & pulled down∗)
P20 P20 (Input & pulled down∗)
P21 P21 (Input & pulled down∗)
P22 P22 (Input & pulled down∗)
P23 P23 (Input & pulled down∗)
P40 P40 (Input & pulled down∗)
P41 P41 (Input & pulled down∗)
P42 P42 (Input & pulled down∗)
P43 P43 (Input & pulled down∗)
For setting procedure of the functions, see explanations for each of the peripheral circuits.
2.3 Test Terminal (TEST)
This is the terminal used for the factory inspection of the IC. During normal operation, connect the TEST
terminal to V .
SS
Table 2.2.4.1 List of shared terminal settings
When special outputs/peripheral functions are used (selected by software)
Special output
TOUT FOUT BZ Master
BZ
TOUT_A
SCLK(O)
SOUT(O)
SIN(I)
FOUT
∗ When "With Pull-Down" is selected by mask option (high impedance when "Gate Direct" is selected)
SIC63616-(Rev. 1.0) NO. P13
Serial I/F
R/f converter
Slave
RFIN0
REF0
SEN0
RFOUT
SCLK(I)
SOUT(O)
SIN(I)
SRDY(O)/SS(I)
Stopwatch Event
direct input counter
RUN/LAP
RUN/LAP
EVIN_A
EVIN_B
EVIN_C
EVIN_D
3240-0412