DSPIC33FJ32GP202-ESLASHSP datasheet(189/252 Pages) MICROCHIP

189 / 252 page

Preliminary

DS70290A-page 187

dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304

18.7

In-Circuit Serial Programming

dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304

family digital signal controllers can be serially pro-

grammed while in the end application circuit. This is

done with two lines for clock and data and three other

lines for power, ground and the programming

sequence. Serial programming allows customers to

manufacture boards with unprogrammed devices and

then program the digital signal controller just before

shipping the product. Serial programming also allows

the most recent firmware or a custom firmware to be

programmed. Refer to the “dsPIC33F Flash Program-

ming Specification” (DS70152) document for details

about In-Circuit Serial Programming (ICSP).

Any of the three pairs of programming clock/data pins

can be used:

• PGC1/EMUC1 and PGD1/EMUD1

• PGC2/EMUC2 and PGD2/EMUD2

• PGC3/EMUC3 and PGD3/EMUD3

18.8

In-Circuit Debugger

When MPLAB® ICD 2 is selected as a debugger, the

in-circuit debugging functionality is enabled. This

function allows simple debugging functions when used

with MPLAB IDE. Debugging functionality is controlled

through the EMUCx (Emulation/Debug Clock) and

EMUDx (Emulation/Debug Data) pin functions.

Any of the three pairs of debugging clock/data pins can

be used:

• PGC1/EMUC1 and PGD1/EMUD1

• PGC2/EMUC2 and PGD2/EMUD2

• PGC3/EMUC3 and PGD3/EMUD3

To use the in-circuit debugger function of the device,

the design must implement ICSP connections to

MCLR, VDD, VSS, PGC, PGD and the EMUDx/EMUCx

pin pair. In addition, when the feature is enabled, some

of the resources are not available for general use.

These resources include the first 80 bytes of data RAM

and two I/O pins.

DSPIC33FJ32GP202-E/SP Datasheet(PDF) 189 Page - Microchip Technology

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