SLVUAW9C September 2016 – February 2020 UCD90320
Term | Description | Behavior |
---|---|---|
ACK | Acknowledge | Indicates that the PMBus has received the message correctly. |
ADC | Analog-to-digital converter | Converts analog voltages to digital counts that may be used for monitoring or control. |
DAC | Digital-to-analog converter | |
DFlash | Data Flash memory | Nonvolatile memory used for storing PMBus settings. The values in DFlash are automatically copied to RAM during wakeup. |
FPWM | Fast pulse width modulation pin | These pins are capable of a higher frequency than the other PWM pins. |
GPI | General-purpose input | |
GPIO | General-purpose input/output | |
GPO | General-purpose output | |
NACK | Non-acknowledge | An error has occurred in the PMBus message transfer. |
PFlash | Program Flash memory | Nonvolatile memory used for the UCD90xxx main firmware. |
PMBus | Power management bus | An open-standard protocol that defines a means of communicating with power conversion devices using an I2C physical interface. |
PWM | Pulse width modulation or pulse width modulator | |
RAM | Random access memory | Volatile memory used to hold PMBus settings and internal variables. PMBus settings are lost after a reset unless they are stored to Data Flash. |
ROM | Read-only memory | Nonvolatile memory used for the UCD90xxx boot algorithms and some common data tables. |