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LC871HC4A Datasheet, PDF (10/27 Pages) Sanyo Semicon Device – CMOS IC 128K/96K-byte ROM and 12288-byte RAM integrated 8-bit 1-chip Microcontroller with USB-host controller
LC871HC4A/92A
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
Option selected in
units of
each bit
Option type
1
CMOS
Output type
Pull-up resistor
Programmable (Note 1)
2
Nch-open drain
No
P10 to P17
P20 to P27
P30 to P34
P70
each bit
-
1
CMOS
2
Nch-open drain
No
Nch-open drain
Programmable
Programmable
Programmable
P71 to P73
-
No
CMOS
Programmable
PWM0, PWM1
-
No
CMOS
No
UHD+, UHD-
-
No
CMOS
No
XT1
-
No
Input only
No
XT2
-
No
32.768kHz crystal resonator output (N channel open No
drain when in general-purpose output mode)
Note 1: Programmable pull-up resistors for port 0 are controlled in 4 bit units (P00 to 03, P04 to 07).
User Option List
Option Name
Port output form
Option Type
P00 to P07
Mask Version
*1
{
Flash Version
{
Option Selected in
Units of
each bit
P10 to P17
{
{
each bit
P20 to P27
{
{
each bit
P30 to P34
{
{
each bit
Program start
-
×
{
-
address
*2
USB Regulator
USB Regulator
{
{
-
USB Regulator
{
{
-
(at HOLD mode)
USB Regulator
{
{
-
(at HALT mode)
*1: Mask option selection - No change possible after the mask is completed.
*2: Program start address of the mask version is 00000h.
Specified item
CMOS
Nch-open drain
CMOS
Nch-open drain
CMOS
Nch-open drain
CMOS
Nch-open drain
00000h
1FE00h
USE
NONUSE
USE
NONUSE
USE
NONUSE
No.A1188-10/27