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Mtopa.1
Mtopa.1
Associate III
July 10, 2021
Solved

I am using usb-pd system with stm32g071rb76 processor. There are 2 CC pins on this processor. But when I use the stm32g0b1kct6 processor, there is only one CC pin. Why is that. Is there an advantage to it.

  • July 10, 2021
  • 1 reply
  • 1097 views

I am using usb-pd system with stm32g071rb76 processor. There are 2 CC pins on this processor. But when I use the stm32g0b1kct6 processor, there is only one CC pin. Why is that. Is there an advantage to it. I am using TCPP01-M12 as a protection circuit. In this case, what should I do with the cc2 pin in tcpp01-m12?

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Best answer by JDUMA

​Dear customer, on some low 28 and 32 pin count package , two bonding package options exist. As described page 12, the STM32G0B1KCT6 has only one port with only one CC line (see note (2)). This allow to support limited use-case such as device with USB-C captive cable.

 If you need a complete port with two CC lines I recommend you to select the STM32G0B1KBT6N.   Best regards

1 reply

JDUMA
JDUMABest answer
Associate
July 12, 2021

​Dear customer, on some low 28 and 32 pin count package , two bonding package options exist. As described page 12, the STM32G0B1KCT6 has only one port with only one CC line (see note (2)). This allow to support limited use-case such as device with USB-C captive cable.

 If you need a complete port with two CC lines I recommend you to select the STM32G0B1KBT6N.   Best regards

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