SM39R16A3
内嵌 16KB
具有 ISP 功能的 Flash
和 512B RAM 的 8 位控制器
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
符号
描述
地址
重置值
Interrupt
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
IEN0
IEN1
A8H
B8H
9AH
C0H
97H
A9H
B9H
EA
-
ET2
IEIIC
-
ES
IELVI
-
ET1
EX1
ET0
EX0
00H
00H
00H
00H
00H
00H
00H
EXEN
2
IEPW
M
-
IEKBI IEADC IESPI
ECmpI EWDT
IEN2
-
-
-
-
PWMI
F
IRCON
IRCON2
IP0
EXF2
TF2
IICIF
-
LVIIF
-
KBIIF ADCIF SPIIF
WDTI
-
-
-
-
-
-
-
CmpIF
IP0.2
IP1.2
-
F
IP0.5
IP1.5
IP0.4
IP1.4
IP0.3
IP1.3
IP0.1
IP0.0
IP1.0
IP1
IP1.1
Interrupt Enable 0 register(IEN0)
符号: IEN0
7
EA
地址: A8h
Reset
6
-
5
ET2
4
ES0
3
ET1
2
EX1
1
ET0
0
EX0
00h
EA=0 –禁能所有中断
EA:
ET2:
ES:
EA=1 –使能所有中断
ET2=0 –禁能定时器 2 中断
ET2=1 –使能定时器 2 中断
ES=0 –禁能串行口中断
ES=1 –使能串行口中断
ET1=0 –禁能定时器 1 中断
ET1=1 –使能定时器 1 中断
EX1=0 –禁能外部中断 1
EX1=1 –使能外部中断 1
ET0=0 –禁能定时器 0 中断
ET0=1 –使能定时器 0 中断
EX0=0 –禁能外部中断 0
EX0=1 –使能外部中断 0
ET1:
EX1:
ET0:
EX0:
Interrupt Enable 1 register (IEN1)
符号: IEN1
地址: B8h
7
6
5
4
3
2
1
0
Reset
EXEN2
-
IEIIC
IELVI
IEKBI IEADC IESPI
IEPWM
00H
定时器 2 重载中断使能位
EXEN2:
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M066 Ver C SM39R16A3 04/20/2013
- 49 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
