PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 386

• 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 B:
The differences between the devices listed in this data
sheet are shown in Table B-1.
TABLE B-1:
DS39689F-page 386
Program Memory (Bytes)
Program Memory (Instructions)
Interrupt Sources
I/O Ports
Capture/Compare/PWM Modules
Enhanced Capture/Compare/
PWM Modules
Parallel Communications (PSP)
10-Bit Analog-to-Digital Module
Packages
Features
DEVICE DIFFERENCES
DEVICE
DIFFERENCES
10 input channels
Ports A, B, C, (E)
28-pin SPDIP
28-pin SSOP
PIC18F2221
28-pin SOIC
28-pin QFN
4096
2048
No
19
0
2
10 input channels
Ports A, B, C, (E)
28-pin SPDIP
28-pin SSOP
PIC18F2321
28-pin SOIC
28-pin QFN
8192
4096
No
19
2
0
Ports A, B, C, D, E Ports A, B, C, D, E
13 input channels
44-pin TQFP
PIC18F4221
40-pin PDIP
44-pin QFN
4096
2048
Yes
20
1
1
© 2009 Microchip Technology Inc.
13 input channels
44-pin TQFP
PIC18F4321
40-pin PDIP
44-pin QFN
8192
4096
Yes
20
1
1