PIC18F2331 datasheet(11/396 Pages) MICROCHIP

11 / 396 page

 2003 Microchip Technology Inc.

Preliminary

DS39616B-page 9

PIC18F2331/2431/4331/4431

1.3

Details on Individual Family

Members

Devices in the PIC18F2331/2431/4331/4431 family are

available in 28-pin (PIC18F2X31) and 40/44-pin

(PIC18F4X31) packages. The block diagram for the

two groups is shown in Figure 1-1.

The devices are differentiated from each other in three

ways:

Flash

program

memory

(8 Kbytes

for

PIC18F2X31

devices,

16 Kbytes

for

PIC18F4X31).

A/D channels (5 for PIC18F2X31 devices, 9 for

PIC18F4X31 devices).

I/O ports (3 bidirectional ports on PIC18F2X31

devices, 5 bidirectional ports on PIC18F4X31

devices).

All other features for devices in this family are identical.

These are summarized in Table 1-1.

The pinouts for all devices are listed in Table 1-2 and

Table 1-3.

TABLE 1-1:

DEVICE FEATURES

Features

PIC18F2331

PIC18F2431

PIC18F4331

PIC18F4431

Operating Frequency

DC – 40 MHz

Program Memory (Bytes)

8192

16384

8192

16384

Program Memory (Instructions)

4096

8192

4096

8192

Data Memory (Bytes)

768

Data EEPROM Memory (Bytes)

256

Interrupt Sources

I/O Ports

Ports A, B, C

Ports A, B, C, D, E Ports A, B, C, D, E

Timers

Capture/Compare/PWM modules

14-bit Power Control PWM

(6 Channels)

(8 Channels)

Motion Feedback module

(Input Capture/Quadrature Encoder

Interface)

1 QEI

3x IC

1 QEI

3x IC

1 QEI

3x IC

1 QEI

3x IC

Serial Communications

SSP,

Enhanced USART

SSP,

Enhanced USART

SSP,

Enhanced USART

SSP,

Enhanced USART

10-bit High-Speed

Analog-to-Digital Converter module

5 Input Channels

9 Input Channels

Resets (and Delays)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST),

MCLR (optional),

WDT

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST),

MCLR (optional),

WDT

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST),

MCLR (optional),

WDT

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST),

MCLR (optional),

WDT

Programmable Low-voltage Detect

Yes

Programmable Brown-out Reset

Yes

Instruction Set

75 Instructions

Packages

28-pin SDIP

28-pin SOIC

28-pin SDIP

28-pin SOIC

40-pin DIP

44-pin TQFP

44-pin QFN

40-pin DIP

44-pin TQFP

44-pin QFN

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