參數(shù)資料
型號: PIC16CR74-I/PT
廠商: Microchip Technology
文件頁數(shù): 89/172頁
文件大?。?/td> 0K
描述: IC PIC MCU 4KX14 44TQFP
標(biāo)準(zhǔn)包裝: 160
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 33
程序存儲器容量: 7KB(4K x 14)
程序存儲器類型: ROM
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
2007 Microchip Technology Inc.
DS21993C-page 21
PIC16CR7X
2.2.2.3
INTCON Register
The INTCON register is a readable and writable regis-
ter, which contains various enable and flag bits for the
TMR0 register overflow, RB port change and external
RB0/INT pin interrupts.
Note:
Interrupt flag bits are set when an interrupt
condition occurs, regardless of the state of
its corresponding enable bit or the global
enable bit, GIE (INTCON<7>). User soft-
ware should ensure the appropriate inter-
rupt flag bits are clear prior to enabling an
interrupt.
REGISTER 2-3:
INTCON: (ADDRESS 0Bh, 8Bh, 10Bh, 18Bh)
R/W-0
R/W-x
GIE
PEIE
TMR0IE
INTE
RBIE
TMR0IF
INTF
RBIF
bit 7
bit 0
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
bit 7
GIE: Global Interrupt Enable bit
1
= Enables all unmasked interrupts
0
= Disables all interrupts
bit 6
PEIE: Peripheral Interrupt Enable bit
1
= Enables all unmasked peripheral interrupts
0
= Disables all peripheral interrupts
bit 5
TMR0IE: TMR0 Overflow Interrupt Enable bit
1
= Enables the TMR0 interrupt
0
= Disables the TMR0 interrupt
bit 4
INTE: RB0/INT External Interrupt Enable bit
1
= Enables the RB0/INT external interrupt
0
= Disables the RB0/INT external interrupt
bit 3
RBIE: RB Port Change Interrupt Enable bit
1
= Enables the RB port change interrupt
0
= Disables the RB port change interrupt
bit 2
TMR0IF: TMR0 Overflow Interrupt Flag bit
1
= TMR0 register has overflowed (must be cleared in software)
0
= TMR0 register did not overflow
bit 1
INTF: RB0/INT External Interrupt Flag bit
1
= The RB0/INT external interrupt occurred (must be cleared in software)
0
= The RB0/INT external interrupt did not occur
bit 0
RBIF: RB Port Change Interrupt Flag bit
A mismatch condition will continue to set flag bit RBIF. Reading PORTB will end the mismatch
condition and allow flag bit RBIF to be cleared.
1
= At least one of the RB7:RB4 pins changed state (must be cleared in software)
0
= None of the RB7:RB4 pins have changed state
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