PIC18F4331T-I/ML【PDF 25/119 页】IC MCU FLASH 4KX16 44QFN

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2010 Microchip Technology Inc.

DS39616D-page 13

PIC18F2331/2431/4331/4431

1.3

Details on Individual Family

Members

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

available in 28-pin (PIC18F2331/2431) and 40/44-pin

(PIC18F4331/4431) 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

Kbytes

for

PIC18F2331/4331 devices, 16 Kbytes for

PIC18F2431/4431).

A/D channels (5 for PIC18F2331/2431 devices,

9 for PIC18F4331/4431 devices).

I/O ports (3 bidirectional ports on PIC18F2331/

2431

devices,

bidirectional

ports

PIC18F4331/4431 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.

Like all Microchip PIC18 devices, members of the

PIC18F2331/2431/4331/4431 family are available as

both standard and low-voltage devices. Standard

devices with Enhanced Flash memory, designated with

an “F” in the part number (such as PIC18F2331),

accommodate an operating VDD range of 4.2V to 5.5V.

Low-voltage parts, designated by “LF” (such as

PIC18LF2331), function over an extended VDD range

of 2.0V to 5.5V.

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 SPDIP

28-pin SOIC

28-pin QFN

28-pin SPDIP

28-pin SOIC

28-pin QFN

40-pin PDIP

44-pin TQFP

44-pin QFN

40-pin PDIP

44-pin TQFP

44-pin QFN

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