Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 28

Paragraph
Number
28.12 SCC Status Register in Transparent Mode (SCCS) ..................................................... 28-11
28.13 SCC2 Transparent Programming Example.................................................................. 28-12
29.1 SMC Features ................................................................................................................ 29-2
29.2 Common SMC Settings and Configurations ................................................................. 29-2
29.2.1 SMC Mode Registers (SMCMRn) ............................................................................ 29-2
29.2.2 SMC Buffer Descriptors (BDs) ................................................................................. 29-4
29.2.3 SMC Parameter RAM................................................................................................ 29-5
29.2.3.1 SMC Function Code Registers (RFCR/TFCR) ..................................................... 29-7
29.2.4 Disabling SMCs On the Fly....................................................................................... 29-8
29.2.4.1 SMC Transmitter Full Sequence............................................................................ 29-8
29.2.4.2 SMC Transmitter Shortcut Sequence .................................................................... 29-8
29.2.4.3 SMC Receiver Full Sequence................................................................................ 29-8
29.2.4.4 SMC Receiver Shortcut Sequence......................................................................... 29-9
29.2.4.5 Changing SMC Protocols ...................................................................................... 29-9
29.2.5 Saving Power ............................................................................................................. 29-9
29.2.6 Handling Interrupts in the SMC................................................................................. 29-9
29.3 SMC in UART Mode ..................................................................................................... 29-9
29.3.1 SMC UART Features............................................................................................... 29-10
29.3.2 SMC UART-Specific Parameter RAM.................................................................... 29-10
29.3.3 SMC UART Channel Transmission Process ........................................................... 29-11
29.3.4 SMC UART Channel Reception Process................................................................. 29-11
29.3.5 Data Handling Modes: Character- and Message-Oriented ...................................... 29-12
29.3.6 SMC UART Commands .......................................................................................... 29-12
29.3.7 Sending a Break ....................................................................................................... 29-13
29.3.8 Sending a Preamble ................................................................................................. 29-13
29.3.9 Handling Errors in the SMC UART Controller ....................................................... 29-13
29.3.10 SMC UART Receive BD (RxBD) ........................................................................... 29-14
29.3.11 SMC UART Transmit BD (TxBD).......................................................................... 29-17
29.3.12 SMC UART Event Register (SMCE)/Mask Register (SMCM) .............................. 29-18
29.3.13 SMC UART Controller Programming Example...................................................... 29-19
29.4 SMC in Transparent Mode........................................................................................... 29-20
29.4.1 SMC Transparent Mode Features ............................................................................ 29-20
29.4.2 SMC Transparent-Specific Parameter RAM ........................................................... 29-21
29.4.3 SMC Transparent Channel Transmission Process ................................................... 29-21
29.4.4 SMC Transparent Channel Reception Process ........................................................ 29-21
29.4.5 Using SMSYN for Synchronization ........................................................................ 29-22
29.4.6 Using TSA for Synchronization .............................................................................. 29-23
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Contents
Title
Chapter 29
Serial Management Controllers (SMCs)
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Page
Number
Freescale Semiconductor