CHAPTER 2 PIN FUNCTIONS
Preliminary User’s Manual U19014EJ1V0UD
21
(2) Non-port
functions
Function Name
I/O
Function
After Reset
Alternate Function
FLMD0
−
Flash memory programming mode setting
−
−
INTP0
P120
INTP1
P30
INTP2
P31/OCD1A
INTP3
Input
External interrupt request input for which the valid edge (rising
edge, falling edge, or both rising and falling edges) can be
specified
Input port
P32/OCD1B
REGC
−
Connecting regulator output (2.5 V) stabilization capacitance
for internal operation.
Connect to V
SS
via a capacitor (0.47 to 1
µ
F: recommended).
−
−
RESET
Input
System reset input
−
−
RxD6
Input
Serial data input to UART6
Input port
P14
SCK10
I/O
Clock input/output for CSI10
Input port
P10
SI10
Input
Serial data input to CSI10
Input port
P11
SO10
Output
Serial data output from CSI10
Input port
P12
TI000 Input
External count clock input to 16-bit timer/event counter 00
Capture trigger input to capture registers (CR000, CR010) of
16-bit timer/event counter 00
Input port
P00
TI010 Input
Capture trigger input to capture register (CR000) of 16-bit
timer/event counter 00
Input port
P01/TO00
TI50
External count clock input to 8-bit timer/event counter 50
P17/TO50
TI51
Input
External count clock input to 8-bit timer/event counter 51
Input port
P33/TO51
TO00
Output
16-bit timer/event counter 00 output
Input port
P01/TI010
TO50
8-bit timer/event counter 50 output
P17/TI50
TO51
8-bit timer/event counter 51 output
P33/TI51
TOH1
Output
8-bit timer H1 output
Input port
P16
TxD6
Output
Serial data output from UART6
Input port
P13
USBM
I/O
USB data input/output (
−
) Input
port
−
USBP
I/O
USB data input/output (+)
Input port
−
USBPUC
Output
USB pull-up resistor control pin
Input port
−
USBREGC
−
Regulator output (3.3 V) stabilization capacitance for USB.
Connect to V
SS
via a capacitor (0.47 to 1
µ
F: recommended).
−
−
X1
−
Input port
P121/OCD0A
X2
−
Connecting resonator for main system clock
Input port
P122/EXCLK/OCD0B
EXCLK
Input
External clock input for main system clock
Input port
P122/X2/OCD0B
V
DD
−
Positive power supply (P121 and P122 and except for ports)
−
−
EV
DD
−
Positive power supply for ports (other than P121 and P122)
−
−
V
SS
−
Ground potential (P121 and P122 and except for ports)
−
−
EV
SS
−
Ground potential for ports (other than P121 and P122)
−
−
OCD0A
P121/X1
OCD1A
Input
P31/INTP2
OCD0B
P122/X2/EXCLK
OCD1B
−
Connection for on-chip debug mode setting pins
Input port
P32/INTP3
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