参数资料
型号: PIC16C765-I/L
厂商: Microchip Technology
文件页数: 85/165页
文件大小: 0K
描述: IC MCU OTP 8KX14 USB 44PLCC
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 27
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 24MHz
连通性: SCI,UART/USART,USB
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 33
程序存储器容量: 14KB(8K x 14)
程序存储器类型: OTP
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 4.35 V ~ 5.25 V
数据转换器: A/D 8x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
产品目录页面: 636 (CN2011-ZH PDF)
配用: AC164309-ND - MODULE SKT FOR PM3 44PLCC
ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
444-1001-ND - DEMO BOARD FOR PICMICRO MCU
PIC16C745/765
DS41124C-page 26
Preliminary
2000 Microchip Technology Inc.
4.2.2.5
PIR1 REGISTER
This register contains the individual flag bits for the
peripheral interrupts.
REGISTER 4-5:
PERIPHERAL INTERRUPT REGISTER1 (PIR1: 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 inter-
rupt flag bits are clear prior to enabling an
interrupt.
R/W-0
R-0
R/W-0
PSPIF(1)
ADIF
RCIF
TXIF
USBIF
CCP1IF
TMR2IF TMR1IF
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
-n = Value at POR reset
bit7
bit0
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
bit 6:
ADIF: A/D Converter Interrupt Flag bit
1
= An A/D conversion completed (must be cleared in software)
0
= The A/D conversion is not complete
bit 5:
RCIF: USART Receive Interrupt Flag bit
1
= The USART receive buffer is full (clear by reading RCREG)
0
= The USART receive buffer is empty
bit 4:
TXIF: USART Transmit Interrupt Flag bit
1
= The USART transmit buffer is empty (clear by writing to TXREG)
0
= The USART transmit buffer is full
bit 3:
USBIF: Universal Serial Bus (USB) Interrupt Flag
1
= A USB interrupt condition has occurred. The specific cause can be found by examining the contents
of the UIR and UIE registers.
0
= No USB interrupt conditions that are enabled have occurred.
bit 2:
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
bit 1:
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
bit 0:
TMR1IF: TMR1 Overflow Interrupt Flag bit
1
= TMR1 register overflowed (must be cleared in software)
0
= TMR1 register did not overflow
Note 1: Parallel slave ports not implemented on the PIC16C745; always maintain this bit clear.
745cov.book Page 26 Wednesday, August 2, 2000 8:24 AM
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