PIC18F2221-I/ML Microchip Technology, PIC18F2221-I/ML Datasheet - Page 23

• 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 1-3:
© 2007 Microchip Technology Inc.
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
RE3
V
V
NC/ICCK/ICPGC
NC/ICDT/ICPGD
NC/ICRST/ICV
NC/ICPORTS
NC
Legend: TTL = TTL compatible input
Note 1:
SS
DD
RE0
RD
AN5
RE1
WR
AN6
RE2
CS
AN7
ICCK
ICPGC
ICDT
ICPGD
ICRST
ICV
ICPORTS
2:
3:
Pin Name
PP
(3)
(3)
(3)
(3)
(3)
(3)
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
(3)
PP
PIC18F4221/4321 PINOUT I/O DESCRIPTIONS (CONTINUED)
12, 31 6, 30,
11, 32 7, 8,
PDIP
10
—
—
—
—
—
—
2
8
9
C™ or SMB levels
Pin Number
28, 29
QFN TQFP
25
26
27
31
13
—
—
—
—
—
12, 13,
33, 34
6, 29
7, 28
25
26
27
12
13
33
34
—
Type
Pin
I/O
I/O
I/O
I/O
I/O
—
—
P
P
P
P
I
I
I
I
I
I
I
I
I
Preliminary
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
PORTE is a bidirectional I/O port.
See MCLR/V
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
No Connect or dedicated ICD/ICSP™ port clock.
No Connect or dedicated ICD/ICSP port clock.
No Connect or dedicated ICD/ICSP port Reset.
No Connect or 28-pin device emulation.
No Connect.
CMOS = CMOS compatible input or output
I
O
PIC18F4321 FAMILY
Digital I/O.
Read control for Parallel Slave Port
(see also WR and CS pins).
Analog input 5.
Digital I/O.
Write control for Parallel Slave Port
(see CS and RD pins).
Analog input 6.
Digital I/O.
Chip Select control for Parallel Slave Port
(see related RD and WR).
Analog input 7.
In-Circuit Debugger clock.
ICSP™ programming clock.
In-Circuit Debugger data.
ICSP programming data.
Master Clear (Reset) input.
Programming voltage input.
Enable 28-pin device emulation when connected
to V
= Input
= Output
SS
.
PP
/RE3 pin.
Description
P = Power
DS39689E-page 21
(3)
(3)
(3)
(3)