SyncMOS Technologies International, Inc.
SM89T16R1
8-Bits Micro-controller
With 64KB Flash ROM & 1KB RAM & Two UART & RTC & ADC & PWM embedded
Table 3 : All SFR list (8051, I/O, Timer, UART/UART1, System, Interrupt)
Symbol
Description
Direct
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESET
8051 Core
ACC*
B
Accumulator
E0
00H
00H
07H
00H
B register
F0
SP
Stack Pointer
81H
D0H
PSW*
DPTR
DPH
DPL
Process Status
Data Pointer (2 Bytes)
Data Pointer High
Data Pointer Low
CY
AC
F0
RS1
RS0
OV
P
83H
82H
00H
00H
I/O PORT
P0.5
P0*
Port 0
80H
90H
A0H
B0H
D8H
9BH
9CH
P0.7
P1.7
P2.7
P3.7
P0.6
P1.6
P2.6
P3.6
P0.4
P1.4
P2.4
P3.4
P0.3
P1.3
P2.3
P3.3
P4.3
P0.2
P1.2
P2.2
P3.2
P4.2
P0.1
P1.1
P2.1
P3.1
P4.1
-
P0.0
P1.0
P2.0
P3.0
P4.0
-
FFH
FFH
FFH
FFH
XFH
00H
00H
P1*
Port 1
P1.5
P2*
Port 2
P2.5
P3*
Port 3
P3.5
P4*
Port 4
P1CON
P2CON
P1 Control
P2 Control
PWM1E
ADCE1
PWM0E
ADCE0
ADCE3
TF1
ADCE2
TIMER / Counter
TF0
TCON*
THL0
TH0
Timer Control register
Timer 0 (2 Bytes)
Timer 0 High
88H
TF1
TR0
IE1
IT1
IE0
IT0
00H
8CH
8AH
00H
00H
TL0
Timer 0 Low
THL1
TH1
Timer 1 (2 Bytes)
Timer 1 High
8DH
8BH
C8H
C9H
00H
00H
00H
00H
TL1
Timer 1 Low
T2CON*
T2MOD
RCAP2HL
RCAP2H
RCAP2L
THL2
TH2
Timer 2 Control
Timer 2 Mode Control
Reload/Capture (2 bytes)
RCAP2 High
TF2
EXF2
HC4
RCLK
HC3
TCLK
HC2
EXEN2
T2CR
TR2
CT2
CPRL2
DCEN
HC5
T2OE
CBH
CAH
00H
00H
RCAP2 Low
Time 2 (2 bytes)
Timer 2 High
CDH
CCH
00H
00H
TL2
Time 2 Low
UART & UART1
SM2
SCON*
SBUF
UART Control
UART Buffer
UART 1 Control
UART 1 Buffer
Slave Address
Slave Address 1
Slave Address Mask
Enable
98H
99H
F8H
F9H
D9H
DAH
SM0/FE
SM1
REN
TB8
RB8
TI
RI
00H
XXH
00H
XXH
00H
00H
SM0_1/FE_1
SCON1
SBUF1
SADDR
SADDR1
SM1_1
SM2_1
REN_1
TB8_1
RB8_1
TI_1
RI_1
SADEN
E9H
00H
Slave Address 1 Mask
Enable
SADEN1
EAH
00H
Data Point 1
DPTR1
DPH1
DPL1
DPS
Data Pointer 1 (2 Bytes)
Data Pointer 1 High
Data Pointer 1 Low
Data Point Select
A5H
A4H
A6H
00H
00H
00H
DPS.0
Power and System
SMOD0
PCON
Power Control register
System Control
Power Management
Register
87H
SMOD
PD
IDLE
ALEI
00H
00H
SCONF
BFH
SMOD1
PDWUE
ES0
OME
PMR
D1H
CD1
CD0
ES1
XTOFF
40H
Interrupt system
ET2
IE*
IE1
IFR
EIE
IP*
IP1
EIP
Interrupt Enable
A8H
A9H
AAH
ABH
B8H
B9H
BAH
EA
ET1
EX1
ET0
EX0
00H
00H
00H
00H
00H
00H
X0H
Interrupt Enable 1
Interrupt Flag 1
EADC
ADCIF
EX5
ERTC
RTCIF
EX4
External Interrupt Enable
Interrupt Priority
EX3
PT0
EX2
PX0
PS1
PT2
PS0
PT1
PX1
Interrupt Priority 1
External Interrupt Priority
PADC
PX5
PRTC
PX4
PX3
PX2
Clock Control
T2M
CKCON
Clock Control
A3H
T1M
T0M
MD2
MD1
MD0
01H
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1 SM89T16R1 08/2006
7