mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 1055

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Chapter 43
Universal Asynchronous Receiver/Transmitter
(UART)
43.1 Introduction
The UART allows asynchronous serial communications with peripheral devices and other
CPUs.
43.1.1 Features
The UART includes these distinctive features:
Freescale Semiconductor, Inc.
• Full-duplex operation
• Standard mark/space non-return-to-zero (NRZ) format
• 13-bit baud rate selection with /32 fractional divide, based on module clock
• Programmable 8-bit or 9-bit data format
• Separately enabled transmitter and receiver
• Programmable transmitter output polarity
• Programmable receive input polarity
• 13-bit break character option
• 11-bit break character detection option
• Parameterizable buffer support 1, 4, 8, 16, 32, 64, and 128 data words for each
• Independent FIFO structure for transmit and receive
• Two receiver wakeup methods:
frequency
transmit and receive
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Preliminary
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