参数资料
型号: ST72T671N4B1XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP56
封装: 0.600 INCH, SHRINK, PLASTIC, DIP-56
文件页数: 13/101页
文件大小: 608K
代理商: ST72T671N4B1XXX
19/101
ST72671
INTERRUPTS (Cont’d)
Table 6. Interrupt Mapping
* Many flags can cause an interrupt: see peripheral interrupt status register description.
Source
Block
Description
Register
Label
Flag
Exit
from
HALT
Vector
Address
Priority
Order
RESET
Reset
N/A
yes
FFFEh-FFF Fh
TRAP
Software Interrupt
N/A
no
FFFCh-FFF Dh
USB
End suspend
USBISTR
ESUSP
yes
FFFA h-FFFBh
NOT USED
FFF8h-FFF 9h
EI3
Ext. Interrupt PD7, rising edge
ITRFRE
EI3F
yes
FFF6h-FFF 7h
EI2
Ext. Interrupt PD3, falling edge
ITRFRE
EI2F
FFF4h-FFF 5h
EI1
Ext. Interrupt PD4, falling edge
ITRFRE
EI1F
FFF2h-FFF 3h
EI0
Ext. Interrupt PD5, falling edge
ITRFRE
EI0F
FFF0h-FFF 1h
EI4
Ext. Interrupt PC2, falling edge
MISCR
EI4F
FFEEh-FFEFh
NOT USED
FFECh-FFEDh
TIMER
Input Capture 1
TIMSR
ICF1
no
FFEAh-FFEBh
Input Capture 2
ICF2
Output Compare 1
OCF1
FFE8h-FFE9h
Output Compare 2
OCF2
Timer Overflow
TOF
FFE6h-FFE7h
I2C
I2C Interface Interrupt
I2CSR1
I2CSR2
*
FFE4h-FFE5h
SCI
Transmit Buffer Empty
SCISR
TDRE
FFE2h-FFE3h
Transmit Complete
TC
Receive Buffer Full
RDRF
Idle Line Detect
IDLE
Overrun
OR
USB
USB Interrupt
USBISTR
*
FFE0h-FFE1h
Highest
Priority
Lowest
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