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WICED Smart Bluetooth

Anonymous
Not applicable

On BCM20737, is it possible to clock CPU over 24 MHz?

Our use case is using PUART at ~1Mbps and it is observed that PUART callback latency is substantially long sometimes

especially when the Master device receives data from the multiple Slaves simultaneously.

So, I wanted to check the possibility of bumping up CPU clock speed.

Thanks

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1 Solution
MichaelF_56
Moderator
Moderator

I am not aware of a way to run the CPu fastr than 24 MHz.

We can throttle the CPU speed down for power savings, but not up for more performance.

79rpm

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3 Replies
MichaelF_56
Moderator
Moderator

I am not aware of a way to run the CPu fastr than 24 MHz.

We can throttle the CPU speed down for power savings, but not up for more performance.

79rpm

View solution in original post

Anonymous
Not applicable

Upppps, the CPU is just running with 24MHz?

I am scared, too slow (in power saving mode OK, but in full speed mode just 24 MHz?).

I have not realized such a low speed of the main processor (anything else on market seems to be faster).

How should we run later bigger SW stacks, e.g. for 6LoWPAN (IPv6 over BLE)?

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ArvindS_76
Employee

24MHz CPU speed is sufficient for most applications. This chip is designed for low power, low energy applications. Some of the competitors' chips run at a much lower speed than this or use less powerful processors.