LC87F2J32A Datasheet, PDF (11/30 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC87F2J32A
Port Output Types
The table below lists the types of port outputs and the presence/absence of a pull-up resistor.
Data can be read into any input port even if it is in the output mode.
Port Name
Option Selected
in Units of
Option Type
Output Type
Pull-up Resistor
P00 to P07
1 bit
1
CMOS
Programmable (Note 1)
2
Nch-open drain
Programmable (Note 1)
P10 to P17
1 bit
1
CMOS
Programmable
2
Nch-open drain
Programmable
P20 to P27
1 bit
1
CMOS
Programmable
2
Nch-open drain
Programmable
P30 to P36
1 bit
1
CMOS
Programmable
2
Nch-open drain
Programmable
P70
-
No
Nch-open drain
Programmable
P71 to P73
-
No
CMOS
Programmable
PWM0, PWM1
-
No
CMOS
No
XT1
-
No
Input for 32.768kHz crystal oscillator
No
(Input only)
XT2
-
No
Output for 32.768kHz crystal oscillator
No
(Nch-open drain when in general-purpose
output mode)
CF1
-
No
Input for ceramic resonator oscillator
No
(Input only)
CF2
-
No
Output for ceramic resonator oscillator
No
(Nch-open drain when in general-purpose
output mode)
Note 1: The control of the presence or absence of the programmable pull-up resistors for port 0 and the switching
between low- and high-impedance pull-up connection is exercised in 1-bit units.
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