PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 7

• Manufacturer Part Number: PIC18F4431-E/PT
• Description: IC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6. Module: 28-Pin QFN Diagram
FIGURE 1:
TABLE 1:
© 2005 Microchip Technology Inc.
Packages
A 28-pin QFN package has been introduced for
the PIC18F2331 and PIC18F2431 devices. The
Device Data Sheet has been updated as follows:
• The Pin Diagram section (page 3) has been
• The Packages information in Table 1-1 (page 9)
Note 1:
28-Pin QFN
updated to include the new 28-pin QFN
package.
and Table B-1 (page 379) has been updated to
include a reference to the 28-pin QFN. The new
text is shown in bold.
Features
Low-Voltage Programming must be enabled.
28-PIN QFN DIAGRAM
RA2/AN2/V
RA3/AN3/V
RA4/AN4/CAP3/QEB
OSC2/CLKO/RA6
REF
REF
OSC1/CLKI/RA7
-/CAP1/INDX
+/CAP2/QEA
PIC18F2331
28-pin SOIC
28-pin SDIP
28-pin QFN
PIC18F2331/2431/4331/4431
V
V
DD
SS
1
2
3
4
5
6
7
PIC18F2231
PIC18F2431
PIC18F2431
28-pin SOIC
28-pin SDIP
28-pin QFN
21
20
19
18
17
16
15
RB3/PWM3
RB2/PWM2
RB1/PWM1
RB0/PWM0
V
V
RC7/RX/DT/SDO
DD
SS
44-pin TQFP
PIC18F4331
44-pin QFN
40-pin DIP
DS80239A-page 7
44-pin TQFP
PIC18F4431
44-pin QFN
40-pin DIP