PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 99
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F4431-I/P
Manufacturer Part Number
PIC18F4431-I/P
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4431-IP.pdf
(396 pages)
Specifications of PIC18F4431-I/P
A/d Inputs
9-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
Programmable Memory
16K Bytes
Ram Size
768 Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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REGISTER 9-5:
2003 Microchip Technology Inc.
bit 7
bit 6-5
bit 4
bit 3
bit 2
bit 1
bit 0
PIR2: PERIPHERAL INTERRUPT REQUEST (FLAG) REGISTER 2
OSFIF: Oscillator Fail Interrupt Flag bit
1 = System Oscillator failed, clock input has changed to INTOSC (must be cleared in software)
0 = System clock operating
Unimplemented: Read as ‘0’
EEIF: EEPROM or Flash Write Operation Interrupt Flag bit
1 = The write operation is complete (must be cleared in software)
0 = The write operation is not complete or has not been started
Unimplemented: Read as ‘0’
LVDIF: Low-Voltage Detect Interrupt Flag bit
1 = The supply voltage has fallen below the specified LVD voltage (must be cleared in
0 = The supply voltage is greater than the specified LVD voltage
Unimplemented: Read as ‘0’
CCP2IF: CCP2 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:
Not used in PWM mode
bit 7
Legend:
R = Readable bit
- n = Value at POR
OSFIF
R/W-0
software)
U-0
—
PIC18F2331/2431/4331/4431
U-0
W = Writable bit
‘1’ = Bit is set
Preliminary
—
R/W-0
EEIF
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
R/W-0
LVDIF
x = Bit is unknown
U-0
—
DS39616B-page 97
CCP2IF
R/W-0
bit 0
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