SONIX SN8P2501D - 7 I;O Port; 7.1 Overview

SN8P2501D
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 61 Version 1.5
7
7
7
I/O PORT
7.1 OVERVIEW
The micro-controller builds in 12 pin I/O. Most of the I/O pins are mixed with analog pins and special function pins. The
I/O shared pin list is as following.
I/O Pin
Shared Pin
Shared Pin Control Condition
Name
Type
Name
Type
P0.0
I/O
INT0
DC
P00IEN=1
P1.1
I
RST
DC
Reset_Pin code option = Reset
VPP
HV
OTP Programming
P1.2
I/O
XOUT
AC
High_CLK code option = 32K, 4M, 12M, IHRC_RTC
P1.3
I/O
XIN
AC
High_CLK code option = RC, 32K, 4M, 12M, IHRC_RTC
P5.4
I/O
PWM0
DC
TC0ENB=1, PWM0OUT=1
BZ0
DC
TC0ENB=1, TC0OUT=1, PWM0OUT=0
* DC: Digital Characteristic. AC: Analog Characteristic. HV: High Voltage Characteristic.