参数资料
型号: ST7PLUSA2M3
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 73/136页
文件大小: 1705K
代理商: ST7PLUSA2M3
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
ST7LITEUS2, ST7LITEUS5
Interrupts
7.3.1
External Interrupt Control register 1 (EICR1)
Reset value: 0000 0000 (00h)
Table 9.
Interrupt mapping
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-wakeup 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)
ei4 2)
External interrupt 4 2)
no(2)
FFEEh-FFEFh
7
SI
AVD interrupt
SICSR
no
FFECh-FFEDh
8
AT TIMER
AT TIMER Output Compare Interrupt
PWMxCS
R 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
FFE4h-FFE5h
12
Not used
no
FFE2h-FFE3h
13
Not used
no
FFE0h-FFE1h
1.
This interrupt exits the MCU from Auto-wakeup 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 spurious interrupt in Halt and AWUFH mode
3.
These interrupts exit the MCU from Active-halt mode only.
7
0
IS21
IS20
IS11
IS10
IS01
IS00
Read/Write
Bits 7:6 Reserved
Bits 5:4 IS2[1:0] ei2 sensitivity
These bits define the interrupt sensitivity for ei2 according to Table 10.
Bits 3:2 IS1[1:0] ei1 sensitivity
These bits define the interrupt sensitivity for ei1 according to Table 10.
Bits 1:0 IS0[1:0] ei0 sensitivity
These bits define the interrupt sensitivity for ei0 according to Table 10.
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