SLOS982C August 2017 – April 2018 TAS5755M
PRODUCTION DATA.
The TAS5755M PWM processor contains an internal oscillator to support autodetect of I2S clock rates. This reduces system cost because an external reference is not required. Currently, TI recommends a reference resistor value of 18.2 kΩ (1%). This must be connected between OSC_RES and DVSSO.
Writing 0x00 to register 0x1B enables the trim that was programmed at the factory.
NOTE
Trim must always be run following reset of the device.
D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 | FUNCTION |
0 | – | – | – | – | – | – | – | Reserved(1) |
– | 0 | – | – | – | – | – | – | Oscillator trim not done (read-only)(1) |
– | 1 | – | – | – | – | – | – | Oscillator trim done (read only) |
– | – | 0 | 0 | 0 | 0 | – | – | Reserved(1) |
– | – | – | – | – | – | 0 | – | Select factory trim (Write a 0 to select factory trim; default is 1.) |
– | – | – | – | – | – | 1 | – | Factory trim disabled(1) |
– | – | – | – | – | – | – | 0 | Reserved(1) |