參數(shù)資料
型號: ST7FLU05MAE
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
封裝: 0.150 INCH, LEAD FREE, PLASTIC, SOP-8
文件頁數(shù): 61/124頁
文件大?。?/td> 2186K
代理商: ST7FLU05MAE
Obsolete
Product(s)
- Obsolete
Product(s)
ST7LUS5, ST7LU05, ST7LU09
Interrupts
41/124
7.3.1
External interrupt control register 1 (EICR1)
Note:
1
These 8 bits can be written only when the I bit in the CC register is set.
2
Changing the sensitivity of a particular external interrupt clears this pending interrupt. This
can be used to clear unwanted pending interrupts. Refer to section External interrupt
function on page 66.
7.3.2
External interrupt control register 2 (EICR2)
EICR1
Reset value: 0000 0000 (00h)
7
654
32
10
Reserved
IS2[1:0]
IS1[1:0]
IS0[1:0]
-
R/W
Table 16.
EICR1 register description
Bit
Name
Function
7:6
-
Reserved
5:4
IS2[1:0]
ei2 sensitivity
These bits define the interrupt sensitivity for ei2 according to Table 18.
3:2
IS1[1:0]
ei1 sensitivity
These bits define the interrupt sensitivity for ei1 according to Table 18.
1:0
IS0[1:0]
ei0 sensitivity
These bits define the interrupt sensitivity for ei0 according to Table 18.
EICR2
Reset value: 0000 0000 (00h)
7
654
32
10
Reserved
IS4[1:0]
IS3[1:0]
-R/W
R/W
Table 17.
EICR2 register description
Bit
Name
Function
7:4
-
Reserved
3:2
IS4[1:0]
ei4 sensitivity
These bits define the interrupt sensitivity for ei1 according to Table 18.
1:0
IS3[1:0]
ei3 sensitivity
These bits define the interrupt sensitivity for ei0 according to Table 18.
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