Uart Pins - Fujitsu F2MC-16LX Hardware Manual

21.3

UART Pins

The terminal of UART is shown.
UART Pins
The UART pins also serve as general-purpose ports. Table 21.3-1 shows the functions of pins, input-output
formats, and settings in using UART, etc.
Table 21.3-1 UART Pins
Pin Name Pin Function
P42/A10/SIN0
Port 4,9 I/O /
P45/A13/SIN1
serial data
P90/SIN2
input
P93/SIN3
P43/A11/SOT0
Port 4,9 I/O /
P46/A14/SOT1
serial data
P91/SOT2
output
P94/SOT3
P44/A12/SCK0
Port 4,9 I/O /
P47/A15/SCK1
serial clock
P92/SCK2
input/output
P95/SCK3
Pull-up
I/O Type
Selection
CMOS output/
CMOS
None
hysteresis
input
Stand-by
Setting for the use of the terminal
control
Set to the input port
(DDR4: bit2=0)
(DDR4: bit5=0)
(DDR9: bit0=0)
(DDR9: bit3=0)
Set to output enable.
(SMR0 to SMR3: SOE=1)
Yes
Set to the input port at clock input.
(DDR4: bit4=0)
(DDR4: bit7=0)
(DDR9: bit2=0)
(DDR9: bit5=0)
Set to output enable at clock output.
(SMR0 to SMR3: SCKE=1)
CHAPTER 21 UART
481