nRF52 with WM8960 CODEC

[Sunil vignesh]

Hi,

I am trying to interface WM8960 CODEC with nRF52832 using (I2S and I2C) .

Problem I am having is with TWI scanner  and also sending data to the know i2c address . have error code of 1

but as same board . testing with Arduino uno and STM32 boards . the twi scanning gives me result 0x1a (7 bit address)

i am not know why nRF doesn't read the CODEC module address

[Jørgen Holmefjord]

Hi,

Have you checked the connections to the I2C device is correct, and that it is powered correctly? Which GPIOs are you using for SCL/SDA?

What is the supply voltage of the I2C device? Arduino uno and STM32 may support 5V level when interfacing I2C devices, but nRF52832 may not support this when running at 3V supply or lower.

Can you provide a logic trace of the TWI bus?

Best regards,
Jørgen

[Sunil vignesh]

Hi, I am using pin 26(sda),27(scl)

supply voltage is 3.3v in arduino and stm

codec opteration voltage is 2.71-3.6v

but vdd in dk is 2.5-2.8v

so i give external supply to dk and i gives 3.3v in vdd

that time also no improve