参数资料
型号: SAF-C515-LN
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 23/162页
文件大小: 771K
代理商: SAF-C515-LN
Semiconductor Group
7-8
Interrupt System
C515
Special Function Register IRCON (Address C0H)
Reset Value : 00H
Bit
Function
EXF2
Timer 2 external reload flag
EXF2 is set when a reload is caused by a falling edge on pin T2EX while EXEN2 =
1. If ET2 in IEN0 is set (timer 2 interrupt enabled), EXF2 = 1 will cause an interrupt.
EXF2 can be used as an additional external interrupt when the reload function is
not used. EXF2 must be cleared by software.
TF2
Timer 2 overflow flag
Set by a timer 2 overflow and must be cleared by software. If the timer 2 interrupt
is enabled, TF2 = 1 will cause an interrupt.
IEX6
External interrupt 6 edge flag
Set by hardware when external interrupt edge was detected or when a compare
event occurred at pin P1.3/INT6/CC3. Cleared by hardware when processor
vectors to interrupt routine.
IEX5
External interrupt 5 edge flag
Set by hardware when external interrupt edge was detected or when a compare
event occurred at pin P1.2/INT5/CC2. Cleared by hardware when processor
vectors to interrupt routine.
IEX4
External interrupt 4 edge flag
Set by hardware when external interrupt edge was detected or when a compare
event occurred at pin P1.1/INT4/CC1. Cleared by hardware when processor
vectors to interrupt routine.
IEX3
External interrupt 3 edge flag
Set by hardware when external interrupt edge was detected or when a compare
event occurred at pin P1.0/INT3/CC0. Cleared by hardware when processor
vectors to interrupt routine.
IEX2
External interrupt 2 edge flag
Set by hardware when external interrupt edge was detected at pin P1.4/INT2.
Cleared by hardware when processor vectors to interrupt routine.
IADC
A/D converter interrupt request flag
Set by hardware at the end of an A/D conversion. Must be cleared by software.
EXF2
TF2
IEX6
IEX5
C0H
IRCON
Bit No.
C7H
MSB
LSB
IEX4
IEX3
IEX2
IADC
C6H
C5H
C4H
C3H
C2H
C1H
C0H
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SAH-C515-LN 8-BIT, 16 MHz, MICROCONTROLLER, PQCC68
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