PIC12F1840T-I/SN Microchip Technology, PIC12F1840T-I/SN Datasheet - Page 87

• Manufacturer Part Number: PIC12F1840T-I/SN
• Description: 7 KB Flash, 256 Bytes RAM, 32 MHz Int. Osc, 6 I/0, Enhanced Mid Range Core 8 SOI
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 12Fr

Specifications of PIC12F1840T-I/SN

• Core Processor: RISC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 5
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

8.5.5
The PIR2 register contains the interrupt flag bits, as
shown in
REGISTER 8-5:
 2011 Microchip Technology Inc.
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 2-0
R/W-0/0
OSFIF
Register
PIR2 REGISTER
OSFIF: Oscillator Fail Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
Unimplemented: Read as ‘0’
C1IF: Comparator C1 Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
EEIF: EEPROM Write Completion Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
BCL1IF: MSSP Bus Collision Interrupt Flag bit
1 = Interrupt is pending
0 = Interrupt is not pending
Unimplemented: Read as ‘0’
8-5.
U-0
—
PIR2: PERIPHERAL INTERRUPT REQUEST REGISTER 2
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R/W-0/0
C1IF
R/W-0/0
EEIF
Preliminary
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
R/W-0/0
BCL1IF
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.
U-0
PIC12(L)F1840
—
software
U-0
should
—
DS41441B-page 87
ensure
U-0
—
bit 0
the