DSPIC33FJ64GP706AT-E/PT datasheet, PDF

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DSPIC33FJ64GP706AT-E/PT: DescriptionMCU 16-bit dsPIC RISC 64KB Flash 3.3V 64-Pin TQFP T/R; File Size533KB，54 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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DSPIC33FJ64GP706AT-E/PT Overview

MCU 16-bit dsPIC RISC 64KB Flash 3.3V 64-Pin TQFP T/R

DSPIC33FJ64GP706AT-E/PT Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	3A991.a.2
Part Status	Active
Family Name	dsPIC33F
Instruction Set Architecture	RISC
Device Core	dsPIC
Core Architecture	dsPIC
Maximum CPU Frequency (MHz)	40
Maximum Clock Rate (MHz)	40
Data Bus Width (bit)	16
Program Memory Type	Flash
Program Memory Size	64KB
RAM Size	16KB
Maximum Expanded Memory Size	12MB
Programmability	Yes
Interface Type	CAN/I2C/SPI/UART
Number of I/Os	53
No. of Timers	9
PWM	8
Number of ADCs	Dual
USART	0
UART	2
USB	0
SPI	2
I2C	2
I2S	0
CAN	2
Ethernet	0
Watchdog	1
Special Features	CAN Controller
Minimum Operating Supply Voltage (V)	3
Typical Operating Supply Voltage (V)	3.3
Maximum Operating Supply Voltage (V)	3.6
Packaging	Tape and Reel
Supplier Package	TQFP
Pin Count	64
Standard Package Name	QFP
Mounting	Surface Mount
Package Height	1
Package Length	10
Package Width	10
PCB changed	64
Lead Shape	Gull-wing

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Header Board Specification

WHY DO I NEED A HEADER TO DEBUG?

Some PIC

microcontrollers, particularly low pin count devices (with 20 pins or less),

generally must use a header for debugging. This is done to free up I/O lines for your

application and to make production parts more affordable. Optional headers are also

available for high pin count devices (with 64 pins or higher).

Debugging requires a two-line connection (plus V

, V

and V

) to communicate

with the device. In a high pin count device, losing a few I/O lines is generally not a prob-

lem for most designs. But in a low pin count device, it can be a critical problem. Imagine

having to do an 8-pin design where there are only 5 I/Os, having used up 2 I/Os just for

debugging!

Headers are also used to save you money. In high pin count devices, adding debug-

ging to the silicon can generally be done at little or no cost since the silicon is already

fairly large. However, low pin count devices are low cost specifically because they use

very little silicon. So, adding debugging circuitry on-board these parts would add sig-

nificant cost since it would raise the amount of silicon used by a considerable percent-

age. The header places the cost for debugging up front and frees your production parts

from the extra cost of an unused debug module.

Microchip also makes optional debug modules, usually for high pin count devices. The

module is optional because you can still do basic debugging without a header, but if

you use one, you get back I/O lines, and may also gain additional debugging features.

Only certain devices can use an optional header, see the device page on our website

for details.

Microchip lists what header must be ordered to work with your device, if one is required.

Simply consult the device page on our website, or our other ordering guides.

Note that in all cases, devices can be programmed “in circuit” (called ICSP™) with very

few exceptions. Even devices without an internal debug feature can still be pro-

grammed by connecting the programming/debugging tool to the in-circuit programming

lines. These devices simply cannot perform debugging without a header.

FIGURE 1:

PRODUCTION DEVICE VS. HEADER DEVICE (-ICE/-ICD)

Vss

10 ICD

JP1

ENABLE

ICDCLK

ICDMCLR ICDDATA

Vss

Production Device

-ICE/-ICD Device

on Header Board

To Tool Connector

2009 Microchip Technology Inc.

DS51292R-page 1

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