CHAPTER 2 PIN FUNCTIONS
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User’s Manual U15195EJ5V0UD
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Pin Name
I/O
Function
Alternate Function
INTP20
P20/TI2
INTP21
P21/TO21
INTP22
P22/TO22
INTP23
P23/TO23
INTP24
P24/TO24
INTP25
Input
External maskable interrupt request input and timer 2 external capture
trigger input
P25/TCLR2
INTP30
P26/TI3/TCLR3
INTP31
Input
External maskable interrupt request input and timer 3 external capture
trigger input
P27/TO3
TO3OFF
Input
Timer 3 output stop signal input
P05/INTP4
SO0
P41
SO1
Output
Serial transmit data output (3-wire) of CSI0 and CSI1
P33/TXD1
SI0
P40
SI1
Input
Serial receive data input (3-wire) of CSI0 and CSI1
P32/RXD1
SCK0
P42
SCK1
I/O
Serial clock I/O (3-wire) of CSI0 and CSI1
P34/ASCK1
TXD0
P31
TXD1
Output
Serial transmit data output of UART0 and UART1
P33/SO1
RXD0
P30
RXD1
Input
Serial receive data input of UART0 and UART1
P32/SI1
ASCK1
I/O
UART1 serial clock I/O
P34/SCK1
ANI00 to ANI05
−
ANI10 to ANI17
Input
Analog input to A/D converter
−
ADTRG0
P03/INTP2
ADTRG1
Input
External trigger input to A/D converter
P04/INTP3
NMI
Input
Non-maskable interrupt request input
P00
MODE0
−
MODE1
Input
Specifies V850E/IA2 operation mode
V
PP
Note
V
PP
Note
−
Power application for flash memory write
MODE1
WAIT
Input
Control signal input to insert wait in bus cycle
PCM0
LWR
Output
External data lower byte write strobe signal output
PCT0
UWR
Output
External data higher byte write strobe signal output
PCT1
RD
Output
External data bus read strobe signal output
PCT4
ASTB
Output
External data bus address strobe signal output
PCT6
AD0 to AD15
I/O
16-bit address/data bus for external memory
PDL0 to PDL15
A16 to A21
Output
Higher 6-bit address bus for external memory
PDH0 to PDH5
RESET
Input
System reset input
−
X1 Input
−
X2
−
Crystal resonator connection pin for system clock oscillation.
Input to X1 pin when providing clocks from outside.
−
Note
µ
PD70F3114 only
Содержание PD703114
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