LC8740C8A Datasheet, PDF (11/25 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC8740C8A/B2A/96A
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
No
P10 to P17
P20 to P27
P30 to P37
1 bit
1
CMOS
2
Nch-open drain
Programmable
Programmable
P70
-
No
Nch-open drain
Programmable
P71 to P73
-
No
CMOS
Programmable
P80 to P87
-
No
Nch-open drain
No
PC0 to PC4
1 bit
1
CMOS
Programmable
2
Nch-open drain
Programmable
Note 1: Programmable pull-up resistors for port 0 are controlled in 4-bit units (P00 to 03, P04 to 07).
*1 Connect the IC as shown below to minimize the noise input to the VDD1 pin.
Be sure to electrically short the VSS1 and VSS2 pins.
Power
supply
LSI
VDD1
VDD2
VSS1 VSS2
No.A0122-11/25