參數(shù)資料
型號: PIC18F448-E/P
廠商: Microchip Technology
文件頁數(shù): 99/116頁
文件大小: 0K
描述: IC MCU FLASH 8KX16 W/CAN 40-DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
標(biāo)準(zhǔn)包裝: 10
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 40MHz
連通性: CAN,I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲器容量: 16KB(8K x 16)
程序存儲器類型: 閃存
EEPROM 大小: 256 x 8
RAM 容量: 768 x 8
電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
2006 Microchip Technology Inc.
DS41159E-page 81
PIC18FXX8
REGISTER 8-3:
INTCON3: INTERRUPT CONTROL REGISTER 3
R/W-1
U-0
R/W-0
U-0
R/W-0
INT2IP
INT1IP
—INT2IE
INT1IE
INT2IF
INT1IF
bit 7
bit 0
bit 7
INT2IP: INT2 External Interrupt Priority bit
1
= High priority
0
= Low priority
bit 6
INT1IP: INT1 External Interrupt Priority bit
1
= High priority
0
= Low priority
bit 5
Unimplemented: Read as ‘0’
bit 4
INT2IE: INT2 External Interrupt Enable bit
1
= Enables the INT2 external interrupt
0
= Disables the INT2 external interrupt
bit 3
INT1IE: INT1 External Interrupt Enable bit
1
= Enables the INT1 external interrupt
0
= Disables the INT1 external interrupt
bit 2
Unimplemented: Read as ‘0’
bit 1
INT2IF: INT2 External Interrupt Flag bit
1
= The INT2 external interrupt occurred (must be cleared in software)
0
= The INT2 external interrupt did not occur
bit 0
INT1IF: INT1 External Interrupt Flag bit
1
= The INT1 external interrupt occurred (must be cleared in software)
0
= The INT1 external interrupt did not occur
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
Note:
Interrupt flag bits are set when an interrupt condition occurs regardless of the state
of its corresponding enable bit or the global interrupt enable bit. User software
should ensure the appropriate interrupt flag bits are clear prior to enabling an
interrupt. This feature allows software polling.
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