mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 14

• Manufacturer Part Number: mcf5307cft90b
• Description: Mcf5307 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Paragraph
Number
14.3.4
14.3.5
14.3.6
14.3.7
14.3.8
14.3.9
14.3.10
14.3.11
14.3.12
14.3.13
14.3.14
14.4
14.5
14.5.1
14.5.1.1
14.5.1.2
14.5.1.2.1
14.5.1.2.2
14.5.2
14.5.2.1
14.5.2.2
14.5.2.3
14.5.3
14.5.3.1
14.5.3.2
14.5.3.3
14.5.4
14.5.5
14.5.5.1
14.5.5.2
14.5.5.3
14.5.6
14.5.6.1
15.1
15.1.1
15.1.2
15.1.3
15.1.4
xiv
UART Module Signal Definitions .................................................................. 14-16
Operation......................................................................................................... 14-18
Parallel Port Operation...................................................................................... 15-1
UART Clock-Select Registers (UCSRn)...................................................... 14-8
UART Command Registers (UCRn) ............................................................ 14-9
UART Receiver Buffers (URBn) ............................................................... 14-11
UART Transmitter Buffers (UTBn) ........................................................... 14-11
UART Input Port Change Registers (UIPCRn).......................................... 14-12
UART Auxiliary Control Register (UACRn)............................................. 14-12
UART Interrupt Status/Mask Registers (UISRn/UIMRn).......................... 14-13
UART Divider Upper/Lower Registers (UDUn/UDLn) ............................ 14-14
UART Interrupt Vector Register (UIVRn)................................................. 14-15
UART Input Port Register (UIPn) .............................................................. 14-15
UART Output Port Command Registers (UOP1n/UOP0n) ....................... 14-15
Transmitter/Receiver Clock Source............................................................ 14-18
Transmitter and Receiver Operating Modes............................................... 14-19
Looping Modes ........................................................................................... 14-25
Multidrop Mode.......................................................................................... 14-26
Bus Operation ............................................................................................. 14-28
Programming .............................................................................................. 14-28
Pin Assignment Register (PAR) ................................................................... 15-1
Port A Data Direction Register (PADDR).................................................... 15-2
Port A Data Register (PADAT) .................................................................... 15-2
Code Example............................................................................................... 15-3
Programmable Divider............................................................................ 14-18
Calculating Baud Rates........................................................................... 14-19
Transmitting ........................................................................................... 14-21
Receiver .................................................................................................. 14-22
FIFO Stack ............................................................................................. 14-24
Automatic Echo Mode ............................................................................ 14-25
Local Loop-Back Mode .......................................................................... 14-25
Remote Loop-Back Mode....................................................................... 14-26
Read Cycles ............................................................................................ 14-28
Write Cycles ........................................................................................... 14-28
Interrupt Acknowledge Cycles ............................................................... 14-28
UART Module Initialization Sequence .................................................. 14-29
BCLKO Baud Rates ........................................................................... 14-19
External Clock .................................................................................... 14-19
Freescale Semiconductor, Inc.
Parallel Port (General-Purpose I/O)
For More Information On This Product,
Go to: www.freescale.com
MCF5307 User’s Manual
CONTENTS
Chapter 15
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