參數(shù)資料
型號(hào): ST7PLU05MAE
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封裝: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件頁(yè)數(shù): 58/124頁(yè)
文件大?。?/td> 1995K
代理商: ST7PLU05MAE
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ST7LUS5, ST7LU05, ST7LU09
Interrupts
7.3.1
External interrupt control register 1 (EICR1)
Table 15.
Interrupt mapping
No. Source block
Description
Register label
Priority
order
Exit
from
HALT
Address vector
RESET
Reset
N/A
Highest
Priority
Lowest
Priority
yes
FFFEh-FFFFh
TRAP
Software Interrupt
no
FFFCh-FFFDh
0
AWU
Auto Wake-up Interrupt
AWUCSR
yes(1)
FFFAh-FFFBh
1
ei0
External Interrupt 0
N/A
yes
FFF8h-FFF9h
2
ei1
External Interrupt 1
FFF6h-FFF7h
3
ei2
External Interrupt 2
FFF4h-FFF5h
4
Not used
no
FFF2h-FFF3h
5
ei3
External Interrupt 3
yes
FFF0h-FFF1h
6(2)
External Interrupt 4(2)
no(2)
FFEEh-FFEFh
7
Not used
no
FFECh-FFEDh
8
AT TIMER
AT TIMER Output Compare Interrupt
PWMxCSR or
ATCSR
no
FFEAh-FFEBh
9
AT TIMER Overflow Interrupt
ATCSR
yes(3)
FFE8h-FFE9h
10
LITE TIMER
LITE TIMER Input Capture Interrupt
LTCSR
no
FFE6h-FFE7h
11
LITE TIMER RTC1 Interrupt
LTCSR
yes(3)
FFE4h-FFE5h
12
Not used
no
FFE2h-FFE3h
13
Not used
no
FFE0h-FFE1h
1.
This interrupt exits the MCU from “Auto Wake-up from Halt” mode only.
2.
This interrupt exits the MCU from “Wait” and “Active Halt” modes only. Moreover, IS4[1:0] = 01 is the only safe
configuration to avoid a spurious interrupt in Halt and AWUFH mode.
3.
These interrupts exit the MCU from “Active Halt” mode only.
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.
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