Hello!
My project programmed on the nRF52dk board.
Using the twi protocol for communication with other driver IC.
Below code is twi_init source.
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const nrf_drv_twi_config_t twi_lm75b_config = {
.scl = ARDUINO_SCL_PIN,
.sda = ARDUINO_SDA_PIN,
.frequency = NRF_TWI_FREQ_400K,
.interrupt_priority = APP_IRQ_PRIORITY_HIGH,
.clear_bus_init = false
};
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When I checked the I2C frequency in board state, frequency is in working order 400kHz.
But if i attached other board(ex, driver IC or other sensor), frequency is fall 200kHz.
Others funny fact is if I setting the frequency 100kHz or 250kHz, result is in working order.
In other words, this problem state is occured in only 400kHz.
Can i support this problem??
