參數(shù)資料
型號(hào): P83CL781HDH
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Low voltage 8-bit microcontrollers with UART and I2C-bus
中文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁(yè)數(shù): 44/76頁(yè)
文件大小: 342K
代理商: P83CL781HDH
1997 Mar 14
44
Philips Semiconductors
Product specification
Low voltage 8-bit microcontrollers with
UART and I
2
C-bus
P83CL781; P83CL782
15.3.1
I
NTERRUPT
E
NABLE
R
EGISTER
(IEN0)
Bit values: 0 = interrupt disabled; 1 = interrupt enabled.
Table 27
Interrupt Enable Register (SFR address A8H)
Table 28
Description of IEN0 bits
15.3.2
I
NTERRUPT
E
NABLE
R
EGISTER
(IEN1)
Bit values: 0 = interrupt disabled; 1 = interrupt enabled.
Table 29
Interrupt Enable Register (SFR address E8H)
Table 30
Description of IEN1 bits
7
6
5
4
3
2
1
0
EA
ET2
ES1
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.
enable T2 interrupt
enable I
2
C interrupt
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
ET2
ES1
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
EX7
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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