CHAPTER 2 PIN FUNCTIONS
Preliminary User’s Manual U16315EJ1V0UD
37
(2) Non-port pins (1/2)
Pin Name
I/O
Function
After Reset
Alternate Function
INTP0
P120
INTP1 to INTP3
P30 to P32
INTP4
P33/TI51/TO51
INTP5
P16/TOH1
INTP6
Input
External interrupt request input for which the valid edge (rising
edge, falling edge, or both rising and falling edges) can be
specified
Input
P140/PCL
SI10
Input
Serial data input to serial interface
Input
P11/RxD0
SO10
Output
Serial data output from serial interface
Input
P12
SCK10
I/O
Clock input/output for serial interface
Input
P10/TxD0
RxD0
P11/SI10
RxD6
Input
Serial data input to asynchronous serial interface
Input
P14
TxD0
P10/SCK10
TxD6
Output
Serial data output from asynchronous serial interface
Input
P13
TI000
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
P00
TI010
Input
Capture trigger input to capture register (CR000) of 16-bit
timer/event counter 00
Input
P01/TO00
TO00
Output
16-bit timer/event counter 00 output
Input
P01/TI010
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
P33/TO51/INTP4
TO50
8-bit timer/event counter 50 output
P17/TI50
TO51
8-bit timer/event counter 51 output
P33/TI51/INTP4
TOH0
8-bit timer H0 output
P15
TOH1
Output
8-bit timer H1 output
Input
P16/INTP5
PCL
Output
Clock output (for trimming of X1 input clock, subsystem clock)
Input
P140/INTP6
ANI0 to ANI7
Input
A/D converter analog input
Input
P20 to P27
AV
REF
Input
A/D converter reference voltage input
−
−
AV
SS
−
A/D converter ground potential. Make the same potential as
EV
SS
or V
SS
.
−
−
KR0 to KR7
Input
Key interrupt input
Input
P70 to P77
REGC
−
Connecting regulator output stabilization capacitor. Connect
to V
SS
via a 0.1
µ
F capacitor. To use the CPU at high speed
(f
XP
= 10 MHz, V
DD
= 4.0 to 5.5 V), connect this pin directly to
V
DD
.
−
−
RESET
Input
System reset input
−
−
X1
Input
−
−
X2
−
Connecting crystal resonator for X1 input clock oscillation
−
−
XT1
Input
−
−
XT2
−
Connecting crystal resonator for subsystem clock oscillation
−
−
Содержание 78K0/KD1 Series
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