PIC24F04KA201 datasheet(10/224 Pages) MICROCHIP

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PIC24F04KA201 FAMILY

DS39937B-page 8

Preliminary

The internal oscillator block also provides a stable

reference source for the Fail-Safe Clock Monitor

(FSCM). This option constantly monitors the main clock

source against a reference signal provided by the

internal oscillator and enables the controller to switch to

the internal oscillator, allowing for continued low-speed

operation or a safe application shutdown.

1.1.4

EASY MIGRATION

Regardless of the memory size, all the devices share

the same rich set of peripherals, allowing for a smooth

migration path as applications grow and evolve.

The consistent pinout scheme used throughout the

entire family also helps in migrating to the next larger

device. This is true when moving between devices with

the same pin count, or even jumping from 14-pin to

20-pin devices. The PIC24F16KA102 family is directly

compatible for migration to larger program and data

memory.

The PIC24F family is pin compatible with devices in the

dsPIC33 family, and shares some compatibility with the

pinout schema for PIC18 and dsPIC30. This extends

the ability of applications to grow from the relatively

simple, to the powerful and complex.

1.2

Other Special Features

• Communications: The PIC24F04KA201 family

incorporates a range of serial communication

peripherals to handle a range of application

requirements. There is an I2C™ module that

supports both the Master and Slave modes of

operation. It also comprises a UART with built-in

IrDA® encoders/decoders and an SPI module.

• 10-Bit A/D Converter: This module incorporates

programmable acquisition time, allowing for a

channel to be selected and a conversion to be

initiated without waiting for a sampling period, and

faster sampling speed. The 16-deep result buffer

can be used either in Sleep to reduce power, or in

Active mode to improve throughput.

• Charge Time Measurement Unit (CTMU)

Interface:

The PIC24F04KA201 family includes

the new CTMU interface module, which can be

used for capacitive touch sensing using

Microchip’s mTouch™ technology, proximity

sensing and also for precision time measurement

and pulse generation.

1.3

Details on Individual Family

Members

Devices in the PIC24F04KA201 family are available in

14-pin and 20-pin packages. The general block

diagram for all devices is displayed in Figure 1-1.

The devices are different from each other in two ways:

Number of ADC channels (9 channels on 20-pin

parts, 7 channels on 14-pin parts).

Available I/O pins and ports (12 pins on two

ports for 14-pin devices and 18 pins on two ports

for 20-pin devices).

All other features for devices in this family are identical;

these are summarized in Table 1-1.

A list of the pin features available on the

PIC24F04KA201 family devices, sorted by function, is

provided in Table 1-2.

1.4

Differences from PIC24F16KA102

Family

The PIC24F04KA201 family architecture is very similar to

that of the PIC24F16KA102 family. The PIC24F04KA201

family is a subset of the PIC24F16KA102 devices.

The PIC24F16KA102 family has the following

additional features:

• Larger Program Memory

• Larger Data Memory

• CRC Module

• Debugging Capabilities through ICSP™

• Additional I/O on 20-Pin Devices (up to

24 I/O pins)

• Data EEPROM memory

• Boot Segment and General Segments for

Program Code (with available code protection)

• One Additional UART (2 total)

Note:

Table 1-1 provides the pin location of

individual peripheral features and not how

they are multiplexed on the same pin. This

information is provided in the pinout

diagrams on pages 2 and 3 of the data

sheet. Multiplexed features are sorted by

the priority given to a feature, with the

highest priority peripheral being listed first.

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