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CXP80712A/80716A/80720A/80724A
Output/
Real time
Output
Output/
Real time
Output
I/O/
Real time
Output
I/O/
Real time
Output
I/O
Input/input
Input/input/input
Output/output
Output/output
Output/output
Output/output
Output/output
Output/output
Input
Input/input
Output/input
I/O
Ouput
Input
Input
(Port A)
8-bit output port. Data is
gated with PPO contents by
OR-gate and they are output.
(8 pins)
(Port B)
8-bit output port. Data is
gated with PPO contents by
OR-gate and they are output.
(8 pins)
(Port C)
8-bit I/O port, enables to
specify I/O by bit unit.
Data is gated with PPO or
RTO contents by OR-gate
and they are output.
(8 pins)
(Port D)
8-bit I/O port. Enable to specify I/O by 4-bit unit.
Enables to drive 12mA sink current.
(8 pins)
(Port E)
8-bit port. Lower 2 bits are
input pins and upper 6 bits
are output pins.
(8 pins)
Analog input pins to A/D converter. (12 pins)
(Port F)
Lower 4 bits are input port and upper 4 bits are output port.
Lower 4 bits also serve as standby release input pin.
(8 pins)
Serial clock (CH0) I/O pin.
Serial data (CH0) output pin.
Serial data (CH0) input pin.
Serial chip select (CH0) input pin.
External event
input pin for
timer/counter.
Input pin to request
external interruption.
Active when falling edge.
Input pin to request external interruption.
Active when falling edge.
PWM output pins.
(2 pins)
DA gate pulse output pins.
(4 pins)
Programmable pattern generator (PPG)
output.
Functions as high precision real time
pulse output port.
(19 pins)
Real time pulse generator (RTG) output.
Functions as high precision real time
pulse output port. (5 pins)
Symbol
I/O
Description
PA0/PPO0
to
PA7/PPO7
PB0/PPO8
to
PB7/PPO15
PC0/PPO16
to
PC2/PPO18
PC3/RTO3
to
PC7/RTO7
PD0 to PD7
PE0/INT0
PE1/EC/INT2
PE2/PWM0
PE3/PWM1
PE4/DAA0
PE5/DAA1
PE6/DAB0
PE7/DAB1
AN0 to AN3
PF0/AN4
to
PF3/AN7
PF4/AN8
to
PF7/AN11
SCK0
SO0
SI0
CS0
Pin Description