PowerPC 405CR Embedded Controller Data Sheet
UART
• One 8-pin UART and one 4-pin UART interface provided
• Selectable internal or external serial clock to allow wide range of baud rates
• Register compatibility with NS16550 register set
• Complete status reporting capability
• Transmitter and receiver are each buffered with16-byte FIFOs when in FIFO mode
• Fully programmable serial-interface characteristics
• Supports DMA using internal DMA engine
IIC Bus Interface
2
• Compliant with Phillips® Semiconductors I C Specification, dated 1995
• Operation at 100kHz or 400kHz
• 8-bit data
• 10- or 7-bit address
• Slave transmitter and receiver
• Master transmitter and receiver
• Multiple bus masters
• Supports fixed V IIC interface
DD
• Two independent 4 x 1 byte data buffers
• Twelve memory-mapped, fully programmable configuration registers
• One programmable interrupt request signal
• Provides full management of all IIC bus protocol
• Programmable error recovery
10
IBM [ IBM ]
