LC87F2708A Datasheet, PDF (8/21 Pages) Sanyo Semicon Device – CMOS IC FROM 8K byte, RAM 512 byte on-chip 8-bit 1-chip Microcontroller

LC87F2708A
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 Sselected
in Units of
Option Type
Output Type
P10 to P16
1 bit
1
CMOS
2
Nch-open drain
P30 to P33
1 bit
1
CMOS
2
Nch-open drain
Pull-up Resistor
Programmable
Programmable
Programmable
Programmable
On-chip Debugger Pin Processing
For the processing of the on-chip debugger pins, refer to the separately available documents entitled "RD87 On-chip
Debugger Installation" and "LC872000 Series On-chip Debugger Pin Processing."
User Option Table
Option Name
Port output type
Option Type
P10 to P16
P30 to P33
Program start
address
Brown-out detector
reset function
Power-on-reset
function
High-speed RC
oscillator circuit
-
Brown-out detector
function
Brown-out trip level
Power-on-reset level
Oscillation frequency
Flash Version
{
{
{
{
{
{
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Option Switched in Unit of
1 bit
1 bit
-
-
-
-
-
CMOS
Description
Nch-open drain
CMOS
Nch-open drain
00000h
01E00h
Enable: Used
Disable: Not Used
3 levels
3 levels
20 MHz
40 MHz
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