參數(shù)資料
型號(hào): P80CL51
廠商: NXP Semiconductors N.V.
英文描述: Low voltage 8-bit microcontrollers with UART
中文描述: 低電壓的8位微控制器的UART的
文件頁(yè)數(shù): 34/68頁(yè)
文件大?。?/td> 305K
代理商: P80CL51
1997 Apr 15
34
Philips Semiconductors
Product specification
Low voltage 8-bit microcontrollers with
UART
P80CL31; P80CL51
14.3.1
I
NTERRUPT
E
NABLE
R
EGISTER
(IEN0)
Bit values: 0 = interrupt disabled; 1 = interrupt enabled.
Table 11
Interrupt Enable Register (SFR address A8H)
Table 12
Description of IEN0 bits
14.3.2
I
NTERRUPT
E
NABLE
R
EGISTER
(IEN1)
Bit values: 0 = interrupt disabled; 1 = interrupt enabled.
Table 13
Interrupt Enable Register (SFR address E8H)
Table 14
Description of IEN1 bits
7
6
5
4
3
2
1
0
EA
ES0
ET1
EX1
ET0
EX0
BIT
SYMBOL
DESCRIPTION
7
EA
general enable/disable control. If EA = 0, no interrupt is enabled; if EA = 1, any
individually enabled interrupt will be accepted
reserved
reserved
enable UART SIO interrupt
enable Timer 1 interrupt (T1)
enable external interrupt 1
enable Timer 0 interrupt (T0)
enable external interrupt 0
6
5
4
3
2
1
0
ES0
ET1
EX1
ET0
EX0
7
6
5
4
3
2
1
0
EX9
EX8
EX7
EX6
EX5
EX4
EX3
EX2
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
EX9
EX8
EX7
EX6
EX5
EX4
EX3
EX2
enable external interrupt 9
enable external interrupt 8
enable external interrupt 7
enable external interrupt 6
enable external interrupt 5
enable external interrupt 4
enable external interrupt 3
enable external interrupt 2
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