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SH79F6489P/080PR 데이터시트(PDF) 67 Page - SINOWEALTH Electronic Ltd

부품명 SH79F6489P/080PR
상세설명  Enhanced 8051 Microcontroller with 20bit Σ-ΔADC and LCD Driver
PDF  152 Pages
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제조업체  SINOWEALTH [SINOWEALTH Electronic Ltd]
홈페이지  https://en.sinowealth.com
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SH79F6489P/080PR 데이터시트(HTML) 67 Page - SINOWEALTH Electronic Ltd

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SH79F6488/SH79F6489
67
Table 7.47 External Interrupt Flag Register0
E8H
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EXF0
IT4.1
IT4.0
IT3.1
IT3.0
IT2.1
IT2.0
IE3
IE2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
(POR/WDT/LVR/PIN)
0
0
0
0
0
0
0
0
Bit Number
Bit Mnemonic
Description
7-6
IT4[1:0]
External interrupt4 trigger mode selection bits
00: Low Level trigger
01: Trigger on falling edge
10: Trigger on rising edge
11: Trigger on both edge
IT4 [1:0] is effect on external interrupt 4x at the same mode
5-4
IT3[1:0]
External interrupt3 trigger mode selection bits
00: Low Level trigger
01: Trigger on falling edge
10: Trigger on rising edge
11: Trigger on both edge
3-2
IT2[1:0]
External interrupt2 trigger mode selection bits
00: Low Level trigger
01: Trigger on falling edge
10: Trigger on rising edge
11: Trigger on both edge
1
IE3
External interrupt3 request flag bit
0: No interrupt pending
1: Interrupt is pending
0
IE2
External interrupt2 request flag bit
0: No interrupt pending
1: Interrupt is pending
Table 7.48 External Interrupt Flag Register1
D8H
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EXF1
IF47
IF46
IF45
IF44
IF43
IF42
IF41
IF40
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
(POR/WDT/LVR/PIN)
0
0
0
0
0
0
0
0
Bit Number
Bit Mnemonic
Description
7-0
IF4x
(x = 0-7)
External interrupt4 request flag bit
0: No interrupt pending
1: Interrupt is pending
IF4x is cleared by software



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