SM89S16R1_06 Datasheet, PDF (6/29 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded

SyncMOS Technologies International, Inc.
SM89S16R1
8-Bits Micro-controller
With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded
SFR Mapping
The special function register of SM89S16R1 fall into the following categories
z C51 CORE register: ACC, B, DPL, DPH, PSW, SP
z I/O ports: P0,P1, P2, P3, P4
z Timer/Counter register: T2CON, T2MOD, TCON, TMOD, TH0, TH1, TH2, TL0, TL1, TL2, RCAP2L,
RCAP2H
z UART I/O register: SBUF, SCON
z Power and system control register: PCON, SCONF
z Interrupt system register: IP, IE, IP1, IE1, IFR
z PWM output register: PWMC0, PWMC1, PWMD0, PWMD1, P1CON
z ADC register: ADCSC, ADCD, P2CON
z RTC register: RTCC, RTCS
z LED Driving Capability Control: LEDP0, LEDP1, LEDP2, LEDP3, LEDP4
Table 1 SFR Map
$F8
$FF
$F0 B
$F7
0000 0000
$E8
$EF
$E0 ACC
$E7
0000 0000
$D8 P4
$DF
xxxx 1111
$D0 PSW
PWMC0 PWMC1
$D7
0000 0000
0000 0000 0000 0000
$C8 T2CON T2MOD RCAP2L
RCAP2H
TL2
TH2
$CF
0000 0000 xxxx xx00 0000 0000 0000 0000 0000 0000 0000 0000
$C0
$C7
$B8 IP
IP1
SCONF
$BF
0000 0000 0000 0000
0000 0000
$B0 P3
PWMD0 PWMD1
$B7
1111 1111
0000 0000 0000 0000
$A8 IE
IE1
IFR
$AF
0000 0000 0000 0000 0000 0000
$A0 P2
RTCS
RTCC
$A7
1111 1111 0000 0000 0000 0000
$98 SCON
SBUF
P1CON
P2CON
$9F
0000 0000 xxxx xxxx
0000 0000 0000 0000
$90 P1
LEDP0
LEDP1
LEDP2
LEDP3
LEDP4
$97
1111 1111
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
$88 TCON
TMOD
TL0
TL1
TH0
TH1
ADCSC
ADCD
$8F
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
$80 P0
SP
DPL
DPH
PCON
$87
1111 1111 0000 0111 0000 0000 0000 0000
0000 0000
Table 2 : All SFR list (8051, I/O, Timer, UART, System, Interrupt, RAM Control, PWM, RTC, ADC)
Symbol Description
Direct Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Specifications subject to change without notice contact your sales representatives for the most recent information.
6
Ver 2.1 SM89S16R1 08/2006
RESET