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User Guide 36 of 67 002-32601 Rev. *C
2021-12-02
EZ- PD™ PMG1 MCU prototyping kits guide
CY7110/CY7111/CY7112/CY7113
EZ- PD™ PMG1 prototyping kit system design
The UART lines from the EZ- PD™ PMG1 MCU are routed to the MCU I/O header (J6) and UART lines from
KitProg3 are connected to the KitProg3 header (J3). Do the following to establish the UART connection on older
revisions of the PMG1 kit boards as listed above:
1.
Connect J6.10 (EZ- PD™ PMG1 MCU UART Tx) to J3.8 (KitProg3 UART Rx).
2.
Connect J6.9 (EZ- PD™ PMG1 MCU UART Rx) to J3.10 (KitProg3 UART Tx).
3.4.1 Mode button
The KitProg3 mode button on the EZ- PD™ PMG1 MCU family kit enables the KitProg3 module to enter
bootloader mode. The bootloader mode is required to update the KitProg3 firmware on PSoC ™ 5LP MCU when
the existing firmware is corrupted or a newer version is available.
3.4.2 KitProg3 power and status LEDs
The KitProg3 power LED (amber) turns ON when the KitProg3 module is supplying power to the target MCU.
The LED will always be ON in a fault-free condition when the kit is powered through the programming
connector.
The status LED (amber) indicates the KitProg3 programming mode and the programming status. See the
KitProg3 user guide
[6] for details.
Figure 30
KitProg3 power and status LED
3.5 Target voltage measurement
The KitProg3 module is required to monitor the voltage at which the target MCU is working. The measured
target voltage is used as the reference to configure the logic level for communication between the KitProg3 and
the EZ-
PD™ PMG1 MCU device.
3.5.1 Power enable
Power enable (Power EN) is a GPIO control signal for driving the power-cycle programming load switch in the
CY7110 EZ-
PD™ PMG1-S0 MCU prototyping kit.
P5LP1_4
KitProg3 Status LED Power LED
R43 2.2K R40 2.2K LED2 AMBER LED LED1 AMBER LED
KP_VBUS_P