SM39R08A5
8-Bit Micro-controller
with 8KB Flash
& 256B RAM embedded
Mnemonic
Description
Direct
Bit 7
Bit 6
Bit 5
Interrupt
-
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESET
AUX
IEN0
Auxiliary register
Interrupt Enable
0 register
Interrupt Enable
1 register
Interrupt Enable
2 register
Interrupt request
register
Interrupt request
register 2
Interrupt priority
level 0
Interrupt priority
level 1
91h
BRGS
EA
-
-
PTS[1:0]
PINTS[1:0]
DPS
EX0
00H
00H
A8H
-
ES0
IELVI
-
ET1
EX1
ET0
-
IEN1
IEN2
B8H
9AH
C0H
97H
A9H
B9H
-
-
-
-
-
-
-
-
-
-
-
-
IEIIC
-
-
IEADC
ECmpI
ADCIF
CmpIF
IP0.2
IEPWM
-
00H
00H
00H
00H
00H
00H
-
IEWDT
-
IRCON
IRCON2
IP0
IICIF
-
LVIIF
-
-
PWMIF
-
-
WDTIF
IP0.1
IP1.1
IP0.5
IP1.5
IP0.4
IP1.4
IP0.3
IP1.3
IP0.0
IP1.0
IP1
IP1.2
Mnemonic: AUX
Address: 91h
7
6
-
5
-
4
3
2
1
0
DPS
Reset
00H
BRGS
PTS[1:0]
PINTS[1:0]
The INT0、INT1 signal can be configured to other I/O.
PINTS [1:0]
0x00
INT0
-
-
INT1
P3.7
P3.5
0x01
Interrupt Enable 0 register (IEN0)
Mnemonic: IEN0
Address: A8h
7
EA
6
-
5
-
4
ES0
3
ET1
2
EX1
1
ET0
0
EX0
Reset
00h
EA: EA=0 – Disable all interrupt.
EA=1 – Enable all interrupt.
ES0: ES0=0 – Disable Serial channel 0 interrupt.
ES0=1 – Enable Serial channel 0 interrupt.
ET1: ET1=0 – Disable Timer 1 overflow interrupt.
ET1=1 – Enable Timer 1 overflow interrupt.
EX1: EX1=0 – Disable external interrupt 1.
EX1=1 – Enable external interrupt 1.
ET0: ET0=0 – Disable Timer 0 overflow interrupt.
ET0=1 – Enable Timer 0 overflow interrupt.
EX0: EX0=0 – Disable external interrupt 0.
EX0=1 – Enable external interrupt 0.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M067 Ver B SM39R08A5 04/22/2013
- 34 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
