PIC16F88-I/P Microchip Technology Inc., PIC16F88-I/P Datasheet - Page 23
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PIC16F88-I/P
Manufacturer Part Number
PIC16F88-I/P
Description
18 PIN, 7 KB FLASH, 368 RAM, 16 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F88-IP.pdf
(228 pages)
Specifications of PIC16F88-I/P
A/d Inputs
7-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
16
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
18-pin PDIP
Programmable Memory
7K Bytes
Ram Size
368 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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2.2.2.5
This register contains the individual flag bits for the
peripheral interrupts.
REGISTER 2-5:
2005 Microchip Technology Inc.
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
software should ensure the appropriate
interrupt flag bits are clear prior to
enabling an interrupt.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
PIR1 Register
PIR1: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 1 (ADDRESS 0Ch)
Unimplemented: Read as ‘0’
ADIF: A/D Converter Interrupt Flag bit
1 = The A/D conversion completed (must be cleared in software)
0 = The A/D conversion is not complete
RCIF: AUSART Receive Interrupt Flag bit
1 = The AUSART receive buffer is full (cleared by reading RCREG)
0 = The AUSART receive buffer is not full
TXIF: AUSART Transmit Interrupt Flag bit
1 = The AUSART transmit buffer is empty (cleared by writing to TXREG)
0 = The AUSART transmit buffer is full
SSPIF: Synchronous Serial Port (SSP) Interrupt Flag bit
1 = The transmission/reception is complete (must be cleared in software)
0 = Waiting to transmit/receive
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 Interrupt Flag bit
1 = A TMR2 to PR2 match occurred (must be cleared in software)
0 = No TMR2 to PR2 match occurred
TMR1IF: TMR1 Overflow Interrupt Flag bit
1 = The TMR1 register overflowed (must be cleared in software)
0 = The TMR1 register did not overflow
bit 7
Legend:
R = Readable bit
-n = Value at POR
Note 1: This bit is only implemented on the PIC16F88. The bit will read ‘0’ on the PIC16F87.
U-0
—
ADIF
R/W-0
(1)
RCIF
R-0
W = Writable bit
‘1’ = Bit is set
(1)
TXIF
R-0
SSPIF
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R-0
CCP1IF
R/W-0
PIC16F87/88
x = Bit is unknown
TMR2IF
R/W-0
DS30487C-page 21
TMR1IF
R/W-0
bit 0
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