Realtek RTD2120-series
confidential
13
Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Value
(Hex)
Addr
(Hex)
TL1
00
8B
TH0
00
8C
TH1
00
8D
CKCON
T2M
T1M
T0M
MD2
MD1
MD0
01
8E
SPC_FNC 0
0
0
0
0
0
0
WRS
00
8F
P1
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
FF
90
MPAGE
00
92
P1_R
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
FF
93
SCON0
SM0
SM1
SM2
REN
TB8
RB8
TI
RI
00
98
SBUF0
00
99
P2
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
00
A0
IE
EA
0
ET2
ES0
ET1
EX1
ET0
EX0
00
A8
P3
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
FF
B0
P3_R
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
FF
B3
IP
1
0
PT2
PS0
PT1
PX1
PT0
PX0
80
B8
T2CON
TF2
EXF2
RCLK TCLK
EXEN2 TR2
C/T2
CP/RL2 00
C8
RCAP2L
00
CA
RCAP2H
00
CB
TL2
00
CC
TH2
00
CD
PSW
CY
AC
F0
RS1
RS0
OV
F1
P
00
D0
ACC
00
E0
B
00
F0
External Special Function Registers(XFR)
Pin Share
Register::Pin_share0
0xFF00
Name
Bits
Read/Write
Reset State
Comments
Reserved
7
--
0
Reserved
IIC2E
6
R/W
1
0: Pin
“
P5.6/DSCL
“
is P5.6, Pin
“
P5.7/DSDA
“
is P5.7
1: Pin
“
P5.6/DSCL
“
is DSCL, Pin
“
P5.7/DSDA
“
is DSDA
PWM5E
5
R/W
0
0: Pin
“
P5.5/PWM5
“
is P5.5
1: Pin
“
P5.5/PWM5
“
is PWM5
PWM4E
4
R/W
0
0: Pin
“
P5.4/PWM4
“
is P5.4
1: Pin
“
P5.4/PWM4
“
is PWM4
PWM3E
3
R/W
0
0: Pin
“
P5.3/PWM3
“
is P5.3
1: Pin
“
P5.3/PWM3
“
is PWM3
PWM2E
2
R/W
0
0: Pin
“
P5.2/PWM2
“
is P5.2
1: Pin
“
P5.2/PWM2
“
is PWM2