PIC18LF4221-I/PT Microchip Technology, PIC18LF4221-I/PT Datasheet - Page 11

• 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

TABLE 1-1:
© 2009 Microchip Technology Inc.
Operating Frequency
Program Memory (Bytes)
Program Memory (Instructions)
Data Memory (Bytes)
Data EEPROM Memory (Bytes)
Interrupt Sources
I/O Ports
Timers
Capture/Compare/PWM Modules
Enhanced Capture/Compare/
PWM Modules
Serial Communications
Parallel Communications (PSP)
10-bit Analog-to-Digital Module
Resets (and Delays)
Programmable Low-Voltage
Detect
Programmable Brown-out Reset
Instruction Set
Packages
Features
DEVICE FEATURES
PIC18F2221/2321/4221/4321 FAMILY
Enhanced USART
RESET Instruction,
10 Input Channels 10 Input Channels 13 Input Channels
Ports A, B, C, (E)
83 with Extended
MCLR (optional),
Stack Underflow
75 Instructions;
Instruction Set
(PWRT, OST),
DC – 40 MHz
28-pin SPDIP
28-pin SSOP
PIC18F2221
28-pin SOIC
POR, BOR,
28-pin QFN
Stack Full,
enabled
MSSP,
4096
2048
WDT
512
256
Yes
Yes
No
19
4
2
0
Enhanced USART
RESET Instruction,
Ports A, B, C, (E)
MCLR (optional),
83 with Extended
Stack Underflow
75 Instructions;
(PWRT, OST),
Instruction Set
28-pin SPDIP
DC – 40 MHz
28-pin SSOP
PIC18F2321
28-pin SOIC
POR, BOR,
28-pin QFN
Stack Full,
enabled
MSSP,
8192
4096
WDT
512
256
Yes
Yes
No
19
4
2
0
Ports A, B, C, D, E Ports A, B, C, D, E
Enhanced USART
RESET Instruction,
83 with Extended
MCLR (optional),
Stack Underflow
75 Instructions;
(PWRT, OST),
Instruction Set
DC – 40 MHz
PIC18F4221
44-pin TQFP
40-pin PDIP
POR, BOR,
44-pin QFN
Stack Full,
enabled
MSSP,
WDT
4096
2048
512
256
Yes
Yes
Yes
20
4
1
1
Enhanced USART
RESET Instruction,
13 Input Channels
83 with Extended
MCLR (optional),
Stack Underflow
75 Instructions;
DS39689F-page 11
(PWRT, OST),
Instruction Set
DC – 40 MHz
PIC18F4321
44-pin TQFP
40-pin PDIP
POR, BOR,
44-pin QFN
Stack Full,
enabled
MSSP,
4096
WDT
8192
512
256
Yes
Yes
Yes
20
4
1
1