PIC18LF2221-I/SS Microchip Technology, PIC18LF2221-I/SS Datasheet - Page 22

• Manufacturer Part Number: PIC18LF2221-I/SS
• Description: IC PIC MCU FLASH 2KX16 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2221-I/SS

• 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): 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

PIC18F4321 FAMILY
TABLE 1-3:
DS39689A-page 20
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
Legend: TTL = TTL compatible input
Note 1:
RD0
PSP0
RD1
PSP1
RD2
PSP2
RD3
PSP3
RD4
PSP4
RD5
PSP5
P1B
RD6
PSP6
P1C
RD7
PSP7
P1D
2:
3:
Pin Name
ST = Schmitt Trigger input with CMOS levels
I
Default assignment for CCP2 when configuration bit CCP2MX is set.
Alternate assignment for CCP2 when configuration bit CCP2MX is cleared.
Special ICPORT features available in select circumstances. See Section 23.9 “Special ICPORT Features
(44-Pin TQFP Packages Only)” for more information.
2
C = ST with I
PIC18F4221/4321 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP
19
20
21
22
27
28
29
30
2
C™ or SMB levels
Pin Number
QFN TQFP
38
39
40
41
2
3
4
5
38
39
40
41
2
3
4
5
Advance Information
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
PORTD is a bidirectional I/O port or a Parallel Slave
Port (PSP) for interfacing to a microprocessor port.
These pins have TTL input buffers when the PSP
module is enabled.
CMOS = CMOS compatible input or output
I
O
Digital I/O.
Parallel Slave Port data.
Digital I/O.
Parallel Slave Port data.
Digital I/O.
Parallel Slave Port data.
Digital I/O.
Parallel Slave Port data.
Digital I/O.
Parallel Slave Port data.
Digital I/O.
Parallel Slave Port data.
Enhanced CCP1 output.
Digital I/O.
Parallel Slave Port data.
Enhanced CCP1 output.
Digital I/O.
Parallel Slave Port data.
Enhanced CCP1 output.
= Input
= Output
Description
© 2005 Microchip Technology Inc.
P = Power