SM5953
8-Bit Micro-controller
15KB with ISP Flash
& 256B RAM embedded
Note: Special Function Registers reset values and description for SM5953.
Register
P0
Location
80H
81H
82H
83H
87H
88H
89H
8AH
8BH
8CH
8DH
90H
98H
99H
A0H
A8H
B0H
B8H
BFH
C8H
C9H
CAH
CBH
CCH
CDH
D0H
E0H
F0H
F4H
F5H
F6H
F7H
Reset value
FFH
07H
00H
00H
00H
00H
00H
00H
00H
00H
00H
FFH
00H
00H
FFH
00H
FFH
00H
02H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
Description
1
Port 0
2
SP
Stack Pointer
3
DPL
Data Pointer 0 low byte
Data Pointer 0 high byte
Power Control
4
DPH
5
PCON
TCON
TMOD
TL0
6
Timer/Counter Control
Timer Mode Control
Timer 0, low byte
Timer 1, low byte
Timer 0, high byte
Timer 1, high byte
Port 1
7
8
9
TL1
10
11
12
13
14
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
TH0
TH1
P1
SCON
SBUF
P2
Serial Port 0, Control Register
Serial Port 0, Data Buffer
Port 2
IE
Interrupt Enable
Port 3
P3
IP
Interrupt Priority
System Control Register
Timer 2 Control
SCONF
T2CON
T2MOD
RCAP2L
RCAP2H
TL2
Timer 2 Mode
Timer2 Capture Low
Timer2 Capture High
Timer 2, low byte
Timer 2, high byte
Program Status Word
Accumulator
TH2
PSW
ACC
B
B Register
ISPFAH
ISPFAL
ISPFD
ISPC
ISP Flash Address-High Register
ISP Flash Address-Low Register
ISP Flash Data Register
ISP control Register
FOSVOS TEL: 021-58998693
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M074 Ver B SM5953 12/27/2013
- 9 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
