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STC12C5410AD 系列 8051 单片机内核特殊功能寄存器 C51 Core SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
Reset Value
ACC
E0h
Accumulator
0000,0000
B
F0h
B Register
0000,0000
PSW
D0h
Program Status Word
CY
AC
F0
RS1
RS0
OV
F1
P
0000,0000
SP
81h
Stack Pointer
0000,0111
DPL
82h
Data Pointer Low Byte
0000,0000
DPH
83h
Data Pointer High Byte
0000,0000
STC12C5410AD 系列 8051 单片机系统管理特殊功能寄存器 System Management SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
Reset value
PCON
87h Power Control
SMOD
SMOD0
LVDF
POF
GF1
GF0
PD
IDL
0011,0000
AUXR
8Eh Auxiliary Register T0x12 T1x12 UART_M0x6 EADCI ESPI
ELVDI
-
-
0000,00xx
CLK_DIV
C7h Clock Divder
-
-
-
-
-
CLKS2
CLKS1
CLKS0
xxxx,x000
STC12C5410AD 系列 8051 单片机 I/O 口 特殊功能寄存器 Port SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
Reset Value
P0
80h
8-bit Port 0
-
-
-
-
P0.3
P0.2
P0.1
P0.0
xxxx,1111
P0M0
93h
0000,0000
P0M1
94h
0000,0000
P1
90h
8-bit Port 1
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
1111,1111
P1M0
91h
0000,0000
P1M1
92h
0000,0000
P2
A0h
8-bit Port 2
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
1111,1111
P2M0
95h
0000,0000
P2M1
96h
0000,0000
P3
B0h
8-bit Port 3
P3.7
-
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
1x11,1111
P3M0
B1h
0000,0000
P3M1
B2h
0000,0000
Mnemonic Add
Name
7
6
5
4
3
2
1
0
Reset Value
SCON
98h
Serial Control
SM0/FE
SM1
SM2
REN
TB8
RB8
TI
RI
0000,0000
SBUF
99h
Serial Data Buffer
xxxx,xxxx
SADEN
B9h
Slave Address Mask
0000,0000
SADDR
A9h
Slave Address
0000,0000
AUXR
8Eh
Auxiliary Register
T0x12
T1x12
UART_M0x6
EADCI ESPI ELVDI
-
-
0000,00xx
STC12C5410AD 系列 8051 单片机 串行口 特殊功能寄存器 Serial I/O Port SFRs
Mnemonic
Add
Name
7
6
5
4
3
2
1
0
Reset Value
WDT_CONTR E1h
Watch-Dog-Timer
Control register
WDT_FLAG
-
EN_WDT CLR_WDT IDLE_WDT PS2 PS1 PS0 xx00,0000
STC12C5410AD 系列 8051 单片机 看门狗定时器 特殊功能寄存器 Watch Dog Timer SFRs
STC12C5410AD 系列 8051 单片机 定时器 特殊功能寄存器 Timer SFRs
Mnemonic Add
Name
7
6
5
4
3
2
1
0
Reset Value
TCON
88h
Timer / Counter 0 and 1 Control
TF1
TR1
TF0
TR0
IE1
IT1
IE0
IT0
0000,0000
TMOD
89h
Timer / Counter 0 and 1 Modes
GATE
GATE1
C/T#
C/T1#
M1
M1_1
M0
M1_0
GATE
GATE0
C/T#
C/T0#
M1
M0_1
M0
M0_0
0000,0000
TL0
8Ah
Timer / Counter 0 Low Byte
0000,0000
TH0
8Ch
Timer / Counter 0 High Byte
0000,0000
TL1
8Bh
Timer / Counter 1 Low Byte
0000,0000
TH1
8Dh
Timer / Counter 1 High Byte
0000,0000
AUXR
8Eh
Auxiliary Register
T0x12 T1x12 UART_M0x6
EADCI
ESPI
ELVDI
-
-
0000,00xx