PIC18F2221-I/ML Microchip Technology, PIC18F2221-I/ML Datasheet - Page 7

• Manufacturer Part Number: PIC18F2221-I/ML
• Description: IC PIC MCU FLASH 2KX16 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-I/ML

• Core Size: 8-Bit
• Program Memory Size: 4KB (2K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC18
• No. Of I/o's: 25
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/USART
• On-chip Adc: 10-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Table of Contents
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0 I/O Ports ................................................................................................................................................................................... 105
11.0 Timer0 Module ......................................................................................................................................................................... 123
12.0 Timer1 Module ......................................................................................................................................................................... 127
13.0 Timer2 Module ......................................................................................................................................................................... 133
14.0 Timer3 Module ......................................................................................................................................................................... 135
15.0 Capture/Compare/PWM (CCP) Modules ................................................................................................................................. 139
16.0 Enhanced Capture/Compare/PWM (ECCP) Module................................................................................................................ 147
17.0 Master Synchronous Serial Port (MSSP) Module .................................................................................................................... 161
18.0 Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) ............................................................... 205
19.0 10-Bit Analog-to-Digital Converter (A/D) Module ..................................................................................................................... 227
20.0 Comparator Module.................................................................................................................................................................. 237
21.0 Comparator Voltage Reference Module................................................................................................................................... 243
22.0 High/Low-Voltage Detect (HLVD)............................................................................................................................................. 247
23.0 Special Features of the CPU.................................................................................................................................................... 253
24.0 Instruction Set Summary .......................................................................................................................................................... 273
25.0 Development Support............................................................................................................................................................... 323
26.0 Electrical Characteristics .......................................................................................................................................................... 327
27.0 DC and AC Characteristics Graphs and Tables....................................................................................................................... 365
28.0 Packaging Information.............................................................................................................................................................. 367
Appendix A: Revision History............................................................................................................................................................. 377
Appendix B: Device Differences ........................................................................................................................................................ 377
Appendix C: Conversion Considerations ........................................................................................................................................... 378
Appendix D: Migration from Baseline to Enhanced Devices.............................................................................................................. 378
Appendix E: Migration From Mid-Range to Enhanced Devices ......................................................................................................... 379
Appendix F: Migration From High-End to Enhanced Devices............................................................................................................ 379
Index ................................................................................................................................................................................................. 381
The Microchip Web Site ..................................................................................................................................................................... 391
Customer Change Notification Service .............................................................................................................................................. 391
Customer Support .............................................................................................................................................................................. 391
Reader Response .............................................................................................................................................................................. 392
PIC18F2221/2321/4221/4321 Product Identification System ............................................................................................................ 393
© 2007 Microchip Technology Inc.
Device Overview .......................................................................................................................................................................... 7
Oscillator Configurations ............................................................................................................................................................ 23
Power-Managed Modes ............................................................................................................................................................. 33
Reset .......................................................................................................................................................................................... 41
Memory Organization ................................................................................................................................................................. 53
Flash Program Memory.............................................................................................................................................................. 73
Data EEPROM Memory ............................................................................................................................................................. 83
8 x 8 Hardware Multiplier............................................................................................................................................................ 89
Interrupts .................................................................................................................................................................................... 91
Preliminary
PIC18F4321 FAMILY
DS39689E-page 5