PIC18F2439-E/SP Microchip Technology, PIC18F2439-E/SP Datasheet - Page 74

• Manufacturer Part Number: PIC18F2439-E/SP
• Description: IC PIC MCU FLASH 6KX16 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2439-E/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 12KB (6K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 640 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX39
REGISTER 8-2:
DS30485A-page 72
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
INTCON2 REGISTER
RBPU: PORTB Pull-up Enable bit
1 = All PORTB pull-ups are disabled
0 = PORTB pull-ups are enabled by individual port latch values
INTEDG0: External Interrupt 0 Edge Select bit
1 = Interrupt on rising edge
0 = Interrupt on falling edge
INTEDG1: External Interrupt 1 Edge Select bit
1 = Interrupt on rising edge
0 = Interrupt on falling edge
INTEDG2: External Interrupt 2 Edge Select bit
1 = Interrupt on rising edge
0 = Interrupt on falling edge
Unimplemented: Read as '0'
TMR0IP
1 = High priority
0 = Low priority
Unimplemented: Read as '0'
RBIP
1 = High priority
0 = Low priority
Legend:
R = Readable bit
- n = Value at POR
bit 7
Note:
R/W-1
RBPU
Note 1: Maintain this bit cleared (= 0).
(1)
: RB Port Change Interrupt Priority bit
(1)
Interrupt flag bits are set when an interrupt condition occurs, regardless of the state
of its corresponding enable bit or the global enable bit. User software should ensure
the appropriate interrupt flag bits are clear prior to enabling an interrupt. This feature
allows for software polling.
: TMR0 Overflow Interrupt Priority bit
INTEDG0
R/W-1
INTEDG1
R/W-1
Preliminary
W = Writable bit
‘1’ = Bit is set
INTEDG2
R/W-1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
TMR0IP
R/W-1
 2002 Microchip Technology Inc.
x = Bit is unknown
U-0
—
RBIP
R/W-1
bit 0
(1)