CCG3PA datasheet(10/37 Pages) CYPRESS

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Document Number: 002-16951 Rev. *F

Page 10 of 37

EZ-PD™ CCG3PA Datasheet

CCG3PA Programming and Bootloading

There are two ways to program application firmware into a

CCG3PA device:

1. Programming the device flash over SWD Interface

2. Application firmware update over CC interface

Generally, the CCG3PA devices are programmed over SWD

interface only during development or during the manufacturing

process of the end product. Once the end product is

manufactured, the CCG3PA device’s application firmware can

be updated via the CC bootloader interface.

Programming the Device Flash over SWD Interface

CCG3PA family of devices can be programmed using the SWD

interface. Cypress provides a programming kit (CY8CKIT-002

MiniProg3 Kit) called MiniProg3 and PSoC Programmer

Software which can be used to program the flash as well as

debug firmware. The flash is programmed by downloading the

information from a hex file. This hex file is a binary file generated

as an output of building the firmware project in PSoC Creator

Software. Click here for more information on how to use the

MiniProg3

programmer.

There

are

many

third

party

programmers that support mass programming in a manufac-

turing environment.

As shown in the block diagram in Figure 4, the SWD_0_DAT and

SWD_0_CLK pins are connected to the host programmer’s

SWDIO (data) and SWDCLK (clock) pins respectively. During

SWD programming, the CCG3PA device has to be powered by

the host programmer by connecting its VTARG (power supply to

the target device) to VDDD pin of CCG3PA device. While

programming over SWD interface, the CCG3PA device cannot

receive power through VBUS_IN_DISCHARGE.

The CCG3PA device family does not have the XRES pin. Due to

that, the XRES line from the host programmer remains uncon-

nected, and hence programming using Reset Mode is not

supported. In other words, CCG3PA devices are supported by

Power Cycle programming mode only since XRES line is not

used. Contact Cypress for further details on CYPD3XXX

Programming Specifications.

Figure 4. Connecting the Programmer to CYPD317x Device

Programming

Hardware

Target Device from CCG3PA Family

(Only Power Cycle Programming Mode Supported)

VTARG

SWDCLK

XRES

SWDIO

GND

SWD_0_CLK

AXRES

SWD_0_DAT

GND

VSS

VCCD

VDDD

F

10V

X7R

F

10V

X7R

100nF

10V

X7R

While programming over

SWD interface, device cannot

receive power through

VBUS_IN_DISHCARGE.

CCG3PA Datasheet(PDF) 10 Page - Cypress Semiconductor

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