PIC18F2331-E/MM Microchip Technology, PIC18F2331-E/MM Datasheet - Page 7

• Manufacturer Part Number: PIC18F2331-E/MM
• Description: IC MCU FLASH 4KX16 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2331-E/MM

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (4K x 16)
• 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 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-QFN
• Core: PIC
• Processor Series: PIC18F
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 40 MHz
• Data Ram Size: 768 B
• Data Rom Size: 256 B
• On-chip Adc: Yes
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 5
• Height: 0.88 mm
• Interface Type: EUSART, I2C, SPI, SSP
• Length: 6 mm
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V, 5.8 V
• Supply Voltage (min): 3.9 V, 4.2 V
• Width: 6 mm
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Other names: PIC18F2331-E/ML; PIC18F2331-E/ML

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