SM39A16M1
8-Bit Micro-controller
16KB with ISP Flash
& 1K+256B RAM embedded
Note: Special Function Registers reset values and description for SM39A16M1.
Location: 80h ~ 8Fh
Reset
value
Register
Description
Method 2 Method 2
Method 1
Page 0
Page 1
SYSTEM
SP
ACC
81h
E0h
D0h
F0h
82h
83h
84h
85h
91h
87h
8Eh
BEh
81h
E0h
D0h
F0h
82h
83h
84h
85h
91h
87h
8Eh
BEh
81h
E0h
D0h
F0h
82h
83h
84h
85h
91h
87h
8Eh
BEh
07h
00h
00h
00h
00h
00h
00h
00h
00h
00h
10h
00h
Stack Pointer
Accumulator
PSW
Program Status Word
B Register
B
DPL
Data Pointer 0 low byte
Data Pointer 0 high byte
Data Pointer 1 low byte
Data Pointer 1 high byte
Auxiliary register
DPH
DPL1
DPH1
AUX
PCON
CKCON
PAGESEL
Power Control
Clock control register
Page select
INTERRUPT & PRIORITY
IRCON
IRCON2
IEN0
IEN1
IEN2
IP0
C0h
97h
A8h
B8h
9Ah
A9h
B9h
C0h
97h
A8h
B8h
9Ah
A9h
B9h
C0h
97h
A8h
B8h
9Ah
A9h
B9h
00h
00h
00h
00h
00h
00h
00h
Interrupt Request Control Register
Interrupt Request Control Register 2
Interrupt Enable Register 0
Interrupt Enable Register 1
Interrupt Enable Register 2
Interrupt Priority Register 0
Interrupt Priority Register 1
IP1
UART
PCON
AUX
87h
91h
98h
99h
AAh
BAh
D9h
87h
91h
98h
99h
AAh
BAh
D9h
87h
91h
98h
99h
AAh
BAh
D9h
00h
00h
00h
00h
00h
00h
00h
Power Control
Auxiliary register
SCON
SBUF
Serial Port, Control Register
Serial Port, Data Buffer
SRELL
SRELH
PFCON
Serial Port, Reload Register, low byte
Serial Port, Reload Register, high byte
Peripheral Frequency control register
ADC
ADCC1
ADCC2
ADCDH
ADCDL
ADCCS
ABh
ACh
ADh
AEh
AFh
ABh
ACh
ADh
AEh
AFh
ABh
ACh
ADh
AEh
AFh
00h
08h
00h
00h
00h
ADC Control 1 Register
ADC Control 2 Register
ADC data high byte
ADC data low byte
ADC clock select
WDT
RSTS
A1h
B6h
A1h
B6h
00h
04h
Reset status register
WDTC
B6h
Watchdog timer control register
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M069 Ver C SM39A16M1 7/31/2013
- 11 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
