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RFM01 – обновление ревизии кристалла трансивера

Wake Up Timer calibration

The control of the wake up timer’s internal calibration has been changed to prevent an unnecessary X_OSC on state

Wake Up Timer startup

The Wake Up Timer has been modified to provide faster start up

Unlocking of the PLL in 315MHz band

The reference clock duty cycle was tuned closer to 50%, which eliminated the 315MHz PLL lock issues

Unknown VDI state when the receiver chain is switched off

VDI is set to logic low when receiver chain is switched off

When the device wakes from sleep mode, no clock is available on the CLK (PIN 8)

The modifications eliminated this problem

If the uC CLK output was used in LPDM mode, the internal logic control did not switch off the crystal oscillator during the idle period of the LPDM cycle

The modifications eliminated this problem

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Источник

RFM01 – обновление ревизии кристалла трансивера RFM01 – обновление ревизии кристалла трансивера Печать

Автор Different 20.10.2008 г.

Внимание!

Dear Customers,

The version of RF01 (RFM01) we will provide in the future is J1 and the former version is J. This file is the detailed difference between J and J1. Please refer to it.

Prior Product Revision #: J New Product Revision #: J1

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