PIC16F1946-E/PT Microchip Technology, PIC16F1946-E/PT Datasheet - Page 98

• Manufacturer Part Number: PIC16F1946-E/PT
• Description: MCU 8BIT 8K FLASH 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1946-E/PT

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• Controller Family/series: PIC16F
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 32MHz
• No. Of Timers: 5
• Interface: EUSART, I2C, SPI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F/LF1946/47
7.5.6
The PIR1 register contains the interrupt flag bits, as
shown in
REGISTER 7-6:
DS41414B-page 98
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
TMR1GIF
R/W-0/0
Register
PIR1 REGISTER
TMR1GIF: Timer1 Gate Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
ADIF: A/D Converter Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
RCIF: USART1 Receive Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
TXIF: USART1 Transmit Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
SSPIF: Synchronous Serial Port (MSSP1) Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
CCP1IF: CCP1 Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
TMR2IF: Timer2 to PR2 Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
TMR1IF: Timer1 Overflow Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
7-6.
R/W-0/0
ADIF
PIR1: PERIPHERAL INTERRUPT REQUEST REGISTER 1
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R-0/0
RCIF
R-0/0
TXIF
Preliminary
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
R/W-0/0
SSPIF
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, of the INTCON register.
User
appropriate interrupt flag bits are clear prior
to enabling an interrupt.
R/W-0/0
CCP1IF
software
 2010 Microchip Technology Inc.
R/W-0/0
TMR2IF
should
ensure
R/W-0/0
TMR1IF
bit 0
the