PIC18LF2321-I/SS Microchip Technology, PIC18LF2321-I/SS Datasheet - Page 11

• Manufacturer Part Number: PIC18LF2321-I/SS
• Description: IC PIC MCU FLASH 4KX16 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2321-I/SS

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K 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): 2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SSOP
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 1-1:
© 2007 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
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
Preliminary
Enhanced USART
RESET Instruction,
Ports A, B, C, (E)
MCLR (optional),
83 with Extended
Stack Underflow
75 Instructions;
(PWRT, OST),
Instruction Set
DC – 40 MHz
28-pin SPDIP
28-pin SSOP
PIC18F2321
28-pin SOIC
POR, BOR,
28-pin QFN
Stack Full,
enabled
MSSP,
8192
4096
WDT
512
256
Yes
Yes
PIC18F4321 FAMILY
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
RESET Instruction,
Enhanced USART
13 Input Channels
83 with Extended
MCLR (optional),
Stack Underflow
75 Instructions;
(PWRT, OST),
Instruction Set
DC – 40 MHz
DS39689E-page 9
PIC18F4321
44-pin TQFP
40-pin PDIP
POR, BOR,
44-pin QFN
Stack Full,
enabled
MSSP,
WDT
8192
4096
512
256
Yes
Yes
Yes
20
4
1
1