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– 4 –
CXP84220/84224
Pin Description
I/O/Analog input
PA0/AN0
to
PA7/AN7
(Port A)
8-bit l/O port. l/O can be
set in a unit of single bit.
Incorporation of the pull-
up resistance 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
(Port C)
8-bit l/O port. l/O can be set in a unit of single bit. Capable of driving
12mA sink current. Incorporation of pull-up resistor can be set through
the software in a unit of 4 bits.
(8 pins)
I/O
PD0 to PD7
(Port D)
8-bit l/O port. l/O can be set in a unit of single bits. Incorporation of pull-
up resistor can be set through the software in a unit of 4 bits.
(8 pins)
I/O
PF0 to PF7
(Port F)
8-bit output port. I/O can be set in a unit of single bit. Incorporation of
pull-up resistor can be set through the software in a unit of 4 bits.
(8 pins)
I/O
PG0 to PG2
(Port G)
8-bit I/O port. I/O can be set in a unit of single bit. Incorporation of pull-up
resistor can be set through the software in a unit of 4 bits.
(3 pins)
Input/Input
Input/Input
Input/Input
Input/Input
Output/Output
Output/Output
PE0/EC0
PE1/EC1
PE2/RMC
PE3/NMI
PE4/PWM
PE5/TO
(Port E)
6-bit port. Lower 4 bits
are for inputs; upper 2
bits are for outputs. (6
pins)
Remote control reception circuit input.
Non-maskable interruption request input.
14-bit PWM output.
Rectangular wave output for 16-bit
timer/counter.
I/O/Input
I/O/Input
I/O/I/O
I/O/Input
I/O/Output
I/O/I/O
I/O/Input
Output/Output
PB0/CINT
PB1/CS0
PB2/SCK0
PB3/SI0
PB4/SO0
PB5/SCK1
PB6/SI1
PB7/SO1
(Port B)
7-bit l/O port in which
l/O can be set in a unit
of single bit. Also, an
uppermost bit (PB7)
exclusively for output.
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 l/O (CH0).
Serial data input (CH0).
Serial data output (CH0).
Serial clock l/O (CH1).
Serial data input (CH1).
Serial data output (CH1).
Pin code
I/O
Description
External event inputs for timer/counter.
(2 pins)