LC875CC8A Datasheet, PDF (12/29 Pages) Sanyo Semicon Device – ROM 128K/112K byte, RAM 4096 byte on-chip 8-bit 1-chip Microcontroller

LC875CC8A/B2A
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
P00 to P07
Options Selected
in Units of
1 bit
Option Ttype
1
CMOS
Output Type
Pull-up Resistor
Programmable (Note 1)
2
N-channel open drain
No
P10 to P17
P20 to P27
P30 to P36
PA0 to PA5
PB0 to PB7
PC0 to PC7
PE0 to PE7
PF0 to PF7
P70
1 bit
1
CMOS
2
N-channel open drain
1 bit
1
CMOS
2
N-channel open drain
-
No
CMOS
-
No
N-channel open drain
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
P71 to P73
-
No
CMOS
Programmable
P80 to P87
-
No
N-channel open drain
No
SI2P0, SI2P2
-
SI2P3
PWM0, PWM1
SI2P1
-
XT1
-
No
CMOS
No
No
CMOS (when selected as ordinary port)
No
N-channel open drain
(When SIO2 data is selected)
No
Input only
No
XT2
-
No
Output for 32.768kHz quartz oscillator
No
N-channel open drain
(when in general-purpose output mode)
Note 1: Programmable pull-up resistors for port 0 are controlled in 4-bit units (P00 to P03, P04 to P07).
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