The PMBus module has the following features:
- Compliance with the SMI Forum
PMBus Specification (Part I v1.0 and Part II v1.1)
- Support for controller and target modes
- Support for I2C modes
- Support for three speeds:
- Standard Mode: Up to
100kHz
- Fast Mode: Up to
400kHz
- Packet error checking
- CONTROL and ALERT
signals
- Clock high and low
time-outs
- Four-byte transmit and
receive buffers
- One maskable interrupt, which
can be generated by several conditions:
- Receive data
ready
- Transmit buffer
empty
- Target address
received
- End of message
- ALERT input
asserted
- Clock low
time-out
- Clock high
time-out
- Bus free