ROHM Semiconductor - ROHM Co., Ltd.

ROHM FAQ

FAQ's

For BD37033FV-M,
What is an example of register settings to use to produce an audio output?
- By sending the following commands ① and ② in order, the A_single input can be output to 6 channels in through mode (VOLUME and FADER are 0dB).
  (In the case of I2C address = 0x40)
  ①RESET & INITIAL SETUP
  I2C
  Address Register
  Address SET
  Value
  0x40 0xFE 0x81
  0x01 0xA4
  0x02 0x00
  0x03 0x01
  0x05 0x00
  0x06 0x80
  0x20 0xFF
  0x28 0xFF
  0x29 0xFF
  0x2A 0xFF
  0x2B 0xFF
  0x2C 0xFF
  0x30 0xFF
  0x41 0x00
  0x44 0x00
  0x47 0x00
  0x51 0x80
  0x54 0x80
  0x57 0x80
  0x75 0x00
  ②THROUGH MODE
  I2C
  Address Register
  Address SET
  Value
  0x40 0x01 0xA4
  0x02 0x40
  0x03 0x01
  0x05 0x00
  0x06 0x00
  0x20 0x80
  0x28 0x80
  0x29 0x80
  0x2A 0x80
  0x2B 0x80
  0x2C 0x80
  0x30 0xFF
  0x41 0x00
  0x44 0x00
  0x47 0x00
  0x51 0x00
  0x54 0x00
  0x57 0x00
  0x75 0x00