參數(shù)資料
型號(hào)： PIC16F77
廠商： Microchip Technology Inc.
英文描述： 40-Pin 8-Bit CMOS FLASH Microcontrollers(40腳、8位CMOS 閃速微控制器)
中文描述： 40引腳8位CMOS閃存微控制器（40腳，8位的CMOS閃速微控制器）
文件頁(yè)數(shù)： 22/170頁(yè)
文件大?。?/td> 3150K
代理商： PIC16F77
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PIC16F7X
DS30325A-page 22
Advance Information
2000 Microchip Technology Inc.
2.2.2.5
PIR1 Register
The PIR1 register contains the individual flag bits for
the peripheral interrupts.
REGISTER 2-5:
PIR1 REGISTER (ADDRESS 0Ch)
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 interrupt
bits are clear prior to enabling an interrupt.
R/W-0
PSPIF
(1)
bit 7
R/W-0
ADIF
R-0
RCIF
R-0
TXIF
R/W-0
SSPIF
R/W-0
CCP1IF
R/W-0
TMR2IF
R/W-0
TMR1IF
bit 0
bit 7
PSPIF
(1)
:
Parallel Slave Port Read/Write Interrupt Flag bit
1
= A read or a write operation has taken place (must be cleared in software)
0
= No read or write has occurred
ADIF
: A/D Converter Interrupt Flag bit
1
= An A/D conversion completed
0
= The A/D conversion is not complete
RCIF
: USART Receive Interrupt Flag bit
1
= The USART receive buffer is full
0
= The USART receive buffer is empty
TXIF
: USART Transmit Interrupt Flag bit
1
= The USART transmit buffer is empty
0
= The USART transmit buffer is full
SSPIF
: Synchronous Serial Port (SSP) Interrupt Flag
1
= The SSP interrupt condition has occurred, and must be cleared in software before
returning from the Interrupt Service Routine. The conditions that will set this bit are:
SPI
A transmission/reception has taken place.
I
2
C Slave
A transmission/reception has taken place.
I
2
C Master
A transmission/reception has taken place.
The initiated START condition was completed by the SSP module.
The initiated STOP condition was completed by the SSP module.
The initiated Restart condition was completed by the SSP module.
The initiated Acknowledge condition was completed by the SSP module.
A START condition occurred while the SSP module was idle (Multi-master system).
A STOP condition occurred while the SSP module was idle (Multi-master system).
0
= No SSP interrupt condition has occurred.
CCP1IF
: CCP1 Interrupt Flag bit
Capture Mode
1
= A TMR1 register capture occurred (must be cleared in software)
0
= No TMR1 register capture occurred
Compare Mode
1
= A TMR1 register compare match occurred (must be cleared in software)
0
= No TMR1 register compare match occurred
PWM Mode
Unused in this mode
TMR2IF
: TMR2 to PR2 Match Interrupt Flag bit
1
= TMR2 to PR2 match occurred (must be cleared in software)
0
= No TMR2 to PR2 match occurred
TMR1IF
: TMR1 Overflow Interrupt Flag bit
1
= TMR1 register overflowed (must be cleared in software)
0
= TMR1 register did not overflow
Note 1:
PSPIF is reserved on 28-pin devices; always maintain this bit clear.
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Legend:
R = Readable bit
- n = Value at POR reset
W = Writable bit
’
1
’
= Bit is set
U = Unimplemented bit, read as
‘
0
’
’
0
’
= Bit is cleared
x = Bit is unknown
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16F777-E/ML 功能描述:8位微控制器 -MCU 14KB 368 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F777-E/P 功能描述:8位微控制器 -MCU 14kBF 368RM 36I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F777-E/PT 功能描述:8位微控制器 -MCU 14kBF 368RM 36I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F777-I/ML 功能描述:8位微控制器 -MCU 14KB 368 RAM 36 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16F777-I/P 功能描述:8位微控制器 -MCU 14KB 368 RAM 36 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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