PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 105

• Manufacturer Part Number: PIC18LF4221-I/PT
• Description: 4 KB Flash, 512 RAM 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF4221-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 10-7:
© 2009 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
PIE2: PERIPHERAL INTERRUPT ENABLE REGISTER 2
PIC18F2221/2321/4221/4321 FAMILY
bit 7
OSCFIE: Oscillator Fail Interrupt Enable bit
1 = Enabled
0 = Disabled
CMIE: Comparator Interrupt Enable bit
1 = Enabled
0 = Disabled
Unimplemented: Read as ‘0’
EEIE: Data EEPROM/Flash Write Operation Interrupt Enable bit
1 = Enabled
0 = Disabled
BCLIE: Bus Collision Interrupt Enable bit
1 = Enabled
0 = Disabled
HLVDIE: High/Low-Voltage Detect Interrupt Enable bit
1 = Enabled
0 = Disabled
TMR3IE: TMR3 Overflow Interrupt Enable bit
1 = Enabled
0 = Disabled
CCP2IE: CCP2 Interrupt Enable bit
1 = Enabled
0 = Disabled
Legend:
R = Readable bit
-n = Value at POR
OSCFIE
R/W-0
R/W-0
CMIE
U-0
W = Writable bit
‘1’ = Bit is set
—
R/W-0
EEIE
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
BCLIE
HLVDIE
R/W-0
TMR3IE
R/W-0
x = Bit is unknown
DS39689F-page 105
CCP2IE
R/W-0
bit 0