MPC885 PowerQUICC Family Reference Manual, Rev. 2
Freescale Semiconductor
xxiii
Contents
Paragraph
Number
Title
Page
Number
20.2.5.2
Programming the IDL Interface........................................................................... 20-30
20.2.6
GCI Bus Implementation ......................................................................................... 20-31
20.2.6.1
GCI Activation/Deactivation ............................................................................... 20-32
20.2.6.2
Programming the GCI Interface .......................................................................... 20-32
20.2.6.2.1
Normal Mode................................................................................................... 20-32
20.2.6.2.2
SCIT Mode ...................................................................................................... 20-33
20.2.6.3
GCI Interface (SCIT Mode) Programming Example .......................................... 20-33
20.3
NMSI Configuration .................................................................................................... 20-34
20.4
Baud Rate Generators (BRGs)..................................................................................... 20-36
20.4.1
Baud Rate Generator Configuration Registers (BRGCn)........................................ 20-37
20.4.2
Autobaud Operation on the SCC UART.................................................................. 20-39
20.4.3
UART Baud Rate Examples .................................................................................... 20-40
Chapter 21
Serial Communications Controllers
21.1
Features .......................................................................................................................... 21-2
21.2
SCC Registers ............................................................................................................... 21-3
21.2.1
General SCC Mode Register (GSMR)....................................................................... 21-3
21.2.2
Protocol-Specific Mode Register (PSMR) .............................................................. 21-10
21.2.3
Data Synchronization Register (DSR)..................................................................... 21-10
21.2.4
Transmit-on-Demand Register (TODR) .................................................................. 21-10
21.3
SCC Buffer Descriptors (BDs) .................................................................................... 21-11
21.4
SCC Parameter RAM................................................................................................... 21-13
21.4.1
Function Code Registers (RFCR and TFCR) .......................................................... 21-15
21.4.2
Handling SCC Interrupts ......................................................................................... 21-15
21.4.3
SCC Initialization .................................................................................................... 21-16
21.4.4
Controlling SCC Timing with RTS, CTS, and CD .................................................. 21-17
21.4.4.1
Synchronous Protocols ........................................................................................ 21-17
21.4.4.2
Asynchronous Protocols ...................................................................................... 21-20
21.4.5
Digital Phase-Locked Loop (DPLL) Operation....................................................... 21-21
21.4.5.1
Encoding Data with a DPLL................................................................................ 21-23
21.4.6
Clock Glitch Detection ............................................................................................ 21-25
21.4.7
Reconfiguring the SCCs .......................................................................................... 21-25
21.4.7.1
General Reconfiguration Sequence for an SCC Transmitter............................... 21-25
21.4.7.2
Reset Sequence for an SCC Transmitter.............................................................. 21-26
21.4.7.3
General Reconfiguration Sequence for an SCC Receiver ................................... 21-26
21.4.7.4
Reset Sequence for an SCC Receiver.................................................................. 21-26
21.4.7.5
Switching Protocols ............................................................................................. 21-26
21.4.8
Saving Power ........................................................................................................... 21-26
Содержание PowerQUICC MPC870
Страница 1: ...MPC885 PowerQUICC Family Reference Manual Supports MPC885 MPC880 MPC875 MPC870 MPC885RM Rev 2 04 2006 ...
Страница 98: ...MPC885 PowerQUICC Family Reference Manual Rev 2 I 4 Freescale Semiconductor ...
Страница 118: ...MPC885 Overview MPC885 PowerQUICC Family Reference Manual Rev 2 1 20 Freescale Semiconductor ...
Страница 158: ...The MPC8xx Core MPC885 PowerQUICC Family Reference Manual Rev 2 3 18 Freescale Semiconductor ...
Страница 192: ...MPC885 Instruction Set MPC885 PowerQUICC Family Reference Manual Rev 2 5 22 Freescale Semiconductor ...
Страница 242: ...Instruction and Data Caches MPC885 PowerQUICC Family Reference Manual Rev 2 7 30 Freescale Semiconductor ...
Страница 288: ...MPC885 PowerQUICC Family Reference Manual Rev 2 III 4 Freescale Semiconductor ...
Страница 416: ...External Bus Interface MPC885 PowerQUICC Family Reference Manual Rev 2 13 42 Freescale Semiconductor ...
Страница 440: ...Clocks and Power Control MPC885 PowerQUICC Family Reference Manual Rev 2 14 24 Freescale Semiconductor ...
Страница 554: ...MPC885 PowerQUICC Family Reference Manual Rev 2 V 6 Freescale Semiconductor ...
Страница 606: ...SDMA Channels and IDMA Emulation MPC885 PowerQUICC Family Reference Manual Rev 2 19 20 Freescale Semiconductor ...
Страница 738: ...SCC Asynchronous HDLC Mode and IrDA MPC885 PowerQUICC Family Reference Manual Rev 2 25 16 Freescale Semiconductor ...
Страница 780: ...SCC Ethernet Mode MPC885 PowerQUICC Family Reference Manual Rev 2 27 24 Freescale Semiconductor ...
Страница 794: ...SCC Transparent Mode MPC885 PowerQUICC Family Reference Manual Rev 2 28 14 Freescale Semiconductor ...
Страница 848: ...Serial Peripheral Interface SPI MPC885 PowerQUICC Family Reference Manual Rev 2 30 18 Freescale Semiconductor ...
Страница 882: ...Universal Serial Bus USB MPC885 PowerQUICC Family Reference Manual Rev 2 31 34 Freescale Semiconductor ...
Страница 944: ...Parallel I O Ports MPC885 PowerQUICC Family Reference Manual Rev 2 34 26 Freescale Semiconductor ...
Страница 956: ...CPM Interrupt Controller MPC885 PowerQUICC Family Reference Manual Rev 2 35 12 Freescale Semiconductor ...
Страница 1004: ...Buffer Descriptors and Connection Tables MPC885 PowerQUICC Family Reference Manual Rev 2 37 30 Freescale Semiconductor ...
Страница 1022: ...ATM Parameter RAM MPC885 PowerQUICC Family Reference Manual Rev 2 38 18 Freescale Semiconductor ...
Страница 1068: ...ATM Pace Control MPC885 PowerQUICC Family Reference Manual Rev 2 40 22 Freescale Semiconductor ...
Страница 1090: ...UTOPIA Interface MPC885 PowerQUICC Family Reference Manual Rev 2 43 8 Freescale Semiconductor ...
Страница 1120: ...AAL2 Implementation MPC885 PowerQUICC Family Reference Manual Rev 2 44 30 Freescale Semiconductor ...
Страница 1162: ...Fast Ethernet Controller FEC MPC885 PowerQUICC Family Reference Manual Rev 2 45 40 Freescale Semiconductor ...
Страница 1172: ...SEC Lite Overview MPC885 PowerQUICC Family Reference Manual Rev 2 46 8 Freescale Semiconductor ...
Страница 1176: ...SEC Lite Address Map MPC885 PowerQUICC Family Reference Manual Rev 2 47 4 Freescale Semiconductor ...
Страница 1214: ...SEC Lite Execution Units MPC885 PowerQUICC Family Reference Manual Rev 2 48 38 Freescale Semiconductor ...
Страница 1312: ...Byte Ordering MPC885 PowerQUICC Family Reference Manual Rev 2 A 8 Freescale Semiconductor ...
Страница 1313: ...MPC885 PowerQUICC Family Reference Manual Rev 2 Freescale Semiconductor B 1 Appendix B Serial Communications Performance TBD ...
Страница 1314: ...Serial Communications Performance MPC885 PowerQUICC Family Reference Manual Rev 2 B 2 Freescale Semiconductor ...
Страница 1320: ...Register Quick Reference Guide MPC885 PowerQUICC Family Reference Manual Rev 2 C 6 Freescale Semiconductor ...
Страница 1336: ...MPC885 PowerQUICC Family Reference Manual Rev 2 D 16 Freescale Semiconductor ...
Страница 1358: ...MPC885 PowerQUICC Family Reference Manual Rev 2 D 38 Freescale Semiconductor ...
Страница 1370: ...MPC880 MPC885 PowerQUICC Family Reference Manual Rev 2 E 4 Freescale Semiconductor ...
Страница 1384: ...Serial ATM Scrambling Reception and SI Programming MPC885 PowerQUICC Family Reference Manual Rev 2 H 6 Freescale Semiconductor ...
Страница 1386: ...Revision History MPC885 PowerQUICC Family Reference Manual Rev 2 I 2 Freescale Semiconductor ...