SN8P2318 Series
C-type LCD, RFC 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 71
Version 1.5
7
7
7
I/O PORT
7.1 OVERVIEW
The micro-controller builds in 29 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
P0.1
I/O
INT1
DC
P01IEN=1
P0.2
I/O
T1IN
DC
T1CKS=1
P0.3
I
RST
DC
Reset_Pin code option = Reset
VPP
HV
OTP Programming
P0.4
I/O
XOUT
AC
High_Clk code option = 4M, 12M
FCPUO
DC
High_Clk code option = RC
P1.0
I/O
RFC0
AC
RFCENB=1, RFCH[2:0]=000b
P1.1
I/O
RFC1
AC
RFCENB=1, RFCH[2:0]=001b
P1.2
I/O
RFC2
AC
RFCENB=1, RFCH[2:0]=010b
P1.3
I/O
RFC3
AC
RFCENB=1, RFCH[2:0]=011b
P1.4
I/O
RFC4
AC
RFCENB=1, RFCH[2:0]=100b
P1.6
I/O
RFCOUT
DC
RFCENB=1, RFCOUT=1
P5.4
I/O
PWM0
DC
TC0ENB=1, PWMOUT=1
P2[3:0]
I/O
SEG[28:31]
DC
PSEG[2:0]=000b
P2[7:4]
I/O
SEG[24:27]
DC
PSEG[2:0]=000b/001b
P3[3:0]
I/O
SEG[20:23]
DC
PSEG[2:0]=000b/001b/010b
P3[7:4]
I/O
SEG[16:19]
DC
PSEG[2:0]=000b/001b/010b/011b
* DC: Digital Characteristic. AC: Analog Characteristic. HV: High Voltage Characteristic.