PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 385

• 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

PIC18F2221/2321/4221/4321 FAMILY
APPENDIX A:
REVISION HISTORY
Revision A (July 2005)
Original data sheet for PIC18F2221/2321/4221/4321
devices.
Revision B (August 2006)
Updated Section 26.0 “Electrical Characteristic”.
Revision C (October 2006)
This revision includes updates to the packaging
diagrams.
Revision D (January 2007)
This revision includes updates to the packaging
diagrams.
Revision E (February 2007)
This revision includes updates to the packaging
diagrams.
Revision F (September 2009)
This revision includes a new chapter, Section 2.0
“Guidelines for Getting Started with PIC18F
Microcontrollers”. There are also updates to
Section 27.0
“Electrical
Characteristics”,
Section 28.0 “Packaging Information” and minor
text edits throughout document.
© 2009 Microchip Technology Inc.
DS39689F-page 385