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CXP83232A/83240A
Pin Description
Symbol
I/O
Functions
I/O/Analog input
PA0/AN0
to
PA7/AN7
(Port A)
8-bit I/O port. I/O can
be set in a single bit
unit.
Incorporation of pull-up
resistor can be set
through the software in
a unit of 4 bits. (8 pins)
Analog inputs to A/D converter.
(8 pins)
I/O
PC0 to PC7
PE0/INT0/
EC0
PE1/INT1/
EC1
PE2/INT2
PE3/INT3/
NMI
PE4/RMC
PE5/PWM
PE6/TO/
ADJ
PH0 to PH7
Input/Input/Input
Input/Input/Input
Input/Input
Input/Input/Input
Input/Input
Output/Output
Output/Output/
Output
I/O
(Port C)
8-bit I/O port. I/O can be set in a single bit unit. Capable of driving 12mA
sync current. Incorporation of pull-up resistor can be set through the
software in a unit of 4 bits.
(8 pins)
(Port E)
7-bit port. lower 5 bits
are for inputs; upper 2
bits are for outputs.
(7 pins)
(Port H)
8-bit I/O port. I/O can be set in a single bit unit. Incorporation of pull-up
resistor can be set through the software in a unit of 4 bits.
(8 pins)
External event inputs for
timer/counter.
(2 pins)
External interruption request inputs.
(4 pins)
Non-maskable interruption request
input.
Remote control reception circuit input.
14-bit PWM output.
Rectangular wave output
for 16-bit timer/counter
(duty output 50%).
Output for 32kHz
oscillation
frequency division.
I/O/Input
I/O/Input
I/O/I/O
I/O/Input
I/O/Output
I/O/I/O
I/O/input
I/O/Output
PB0/CINT
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
(Port B)
8-bit I/O port. I/O can
be set in a single bit
unit.
Incorporation of pull-up
resistor can be set
through the software in
a unit of 4 bits.
(8 pins)
External capture input to 16-bit timer/counter.
Chip select input for serial interface (CH0).
Serial clock I/O (CH0).
Serial data input (CH0).
Serial data output (CH0).
Serial clock I/O (CH1).
Serial data input (CH1).
Serial data output (CH1).