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(2) Non-Port Pins (1/2)
Pin Name
INTP0
INTP1
INTP2
INTP3
SI0
SI1
SO0
SO1
SB0
SB1
SCK0
SCK1
STB
BUSY
TI0
TI1
TI2
TO0
TO1
TO2
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PCL
BUZ
AD0 to AD7
A8 to A15
RD
WR
WAIT
ASTB
CHAPTER 3 PIN FUNCTION ( µ PD78014 Subseries)
Input/
Output
Input
External interrupt request inputs with specifiable valid edges (rising
edge, falling edge, both rising and falling edges).
External interrupt request input with falling edge detection
Input
Serial interface serial data input
Output
Serial interface serial data output
Input/
Serial interface serial data input/output
Output
Input/
Serial interface serial clock input/output
Output
Output
Serial interface automatic transmit/receive strobe output
Input
Serial interface automatic transmit/receive busy input
Input
External count clock input to 16-bit timer (TM0)
External count clock input to 8-bit timer (TM1)
External count clock input to 8-bit timer (TM2)
Output
16-bit timer (TM0) output (also used for 14-bit PWM output)
8-bit timer (TM1) output
8-bit timer (TM2) output
Output
Clock output (for main system clock and subsystem clock trimming)
Output
Buzzer output
Input/
Low-order address/data bus at external memory expansion.
Output
Output
High-order address bus at external memory expansion.
Output
External memory read operation strobe signal output.
External memory write operation strobe signal output.
Input
Wait insertion at external memory access.
Output
Strobe output which latches the address data output for ports 4 or 5 to
access external memory.
Function
After
Alternate
Reset
Function
Input
P00/TI0
P01
P02
Input
P03
Input
P25/SB0
P20
Input
P26/SB1
P21
Input
P25/SI0
P26/SO0
Input
P27
P22
Input
P23
Input
P24
Input
P00/INTP0
P33
P34
Input
P30
P31
P32
Input
P35
Input
P36
Input
P40 to P47
Input
P50 to P57
Input
P64
P65
Input
P66
Input
P67
65
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