参数资料
型号: PIC18LF448T-I/L
厂商: Microchip Technology
文件页数: 101/116页
文件大小: 0K
描述: IC MCU FLASH 8KX16 LV CAN 44PLCC
标准包装: 500
系列: PIC® 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 40MHz
连通性: CAN,I²C,SPI,UART/USART
外围设备: 欠压检测/复位,LVD,POR,PWM,WDT
输入/输出数: 33
程序存储器容量: 16KB(8K x 16)
程序存储器类型: 闪存
EEPROM 大小: 256 x 8
RAM 容量: 768 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 8x10b
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: 带卷 (TR)
2006 Microchip Technology Inc.
DS41159E-page 83
PIC18FXX8
REGISTER 8-5:
PIR2: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 2
U-0
R/W-0
U-0
R/W-0
—CMIF(1)
EEIF
BCLIF
LVDIF
TMR3IF
ECCP1IF(1)
bit 7
bit 0
bit 7
Unimplemented: Read as ‘0’
bit 6
CMIF: Comparator Interrupt Flag bit(1)
1
= Comparator input has changed
0
= Comparator input has not changed
bit 5
Unimplemented: Read as ‘0’
bit 4
EEIF: EEPROM Write Operation Interrupt Flag bit
1
= Write operation is complete (must be cleared in software)
0
= Write operation is not complete
bit 3
BCLIF: Bus Collision Interrupt Flag bit
1
= A bus collision occurred (must be cleared in software)
0
= No bus collision occurred
bit 2
LVDIF: Low-Voltage Detect Interrupt Flag bit
1
= A low-voltage condition occurred (must be cleared in software)
0
= The device voltage is above the Low-Voltage Detect trip point
bit 1
TMR3IF: TMR3 Overflow Interrupt Flag bit
1
= TMR3 register overflowed (must be cleared in software)
0
= TMR3 register did not overflow
bit 0
ECCP1IF: ECCP1 Interrupt Flag bit(1)
Capture mode:
1
= A TMR1 (TMR3) register capture occurred (must be cleared in software)
0
= No TMR1 (TMR3) 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.
Note 1: This bit is only available on PIC18F4X8 devices. For PIC18F2X8 devices, this bit
is unimplemented and reads as ‘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
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