Cypress Semiconductor MiniProg3 Manuale d'uso - Pagina 18

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Technical Description

Here is a summary of the protocols and related pin assignments.

3.3

Power

The MiniProg3 requires a connection to the Vddio supply of the target device to set the voltage level

used for communication. This is required regardless of the communication protocol and the port

selected. One of the connector's VTARG pins must be connected to the Vddio supply of the target

device. For PSoC 3 and PSoC 5LP, this is the Vddio1 supply because this supply is used to drive the

debug pins. If you do not connect the VTARG or you connect it to the wrong supply, MiniProg3

cannot communicate with the target device.

CY8CKIT-002 MiniProg3 User Guide, Doc. # 001-59350 Rev. *E