MC68000 MOTOROLA [Motorola, Inc], MC68000 Datasheet - Page 18

• Manufacturer Part Number: MC68000
• Manufacturer: MOTOROLA [Motorola, Inc]

Table of Contents
Figure
Number
Figure 4-5.
Figure 4-6.
Figure 4-7.
Figure 4-8.
Figure 4-9.
Figure 4-10. PCM Channel Assignment on a T1/CEPT Line ....................................... 4-19
Figure 4-11. SCC Block Diagram ................................................................................. 4-24
Figure 4-12. SCC Baud Rate Generator ...................................................................... 4-26
Figure 4-13. Output Delays from RTS Low, Synchronous Protocol ............................. 4-29
Figure 4-14. Output Delays from CTS Low, Synchronous Protocol ............................. 4-29
Figure 4-15. Memory Structure..................................................................................... 4-32
Figure 4-16. SCC Buffer Descriptor Format ................................................................. 4-33
Figure 4-17. UART Frame Format................................................................................ 4-43
Figure 4-18. Two Configurations of UART Multidrop Operation................................... 4-50
Figure 4-19. UART Control Characters Table .............................................................. 4-51
Figure 4-20. UART Receive Buffer Descriptor ............................................................. 4-58
Figure 4-21. UART Rx BD Example ............................................................................. 4-59
Figure 4-22. UART Transmit Buffer Descriptor ............................................................ 4-61
Figure 4-23. UART Interrupt Events Example .............................................................. 4-64
Figure 4-24. Typical HDLC Frame................................................................................ 4-66
Figure 4-25. HDLC Address Recognition Examples .................................................... 4-71
Figure 4-26. HDLC Receive Buffer Descriptor ............................................................. 4-75
Figure 4-27. HDLC Receive BD Example .................................................................... 4-76
Figure 4-28. HDLC Transmit Buffer Descriptor ............................................................ 4-78
Figure 4-29. HDLC Interrupt Events Example .............................................................. 4-81
Figure 4-30. Typical BISYNC Frames .......................................................................... 4-83
Figure 4-31. BISYNC Control Characters Table........................................................... 4-88
Figure 4-32. BISYNC Receive Buffer Descriptor.......................................................... 4-93
Figure 4-33. BISYNC Transmit Buffer Descriptor......................................................... 4-95
Figure 4-34. Typical DDCMP Frames ........................................................................ 4-100
Figure 4-35. DDCMP Transmission/Reception Summary .......................................... 4-102
Figure 4-36. DDCMP Receive Buffer Descriptor ........................................................ 4-109
Figure 4-37. DDCMP Transmit Buffer Descriptor ....................................................... 4-112
Figure 4-38. Two-Step Synchronous Bit Rate Adaption............................................. 4-116
Figure 4-39. Three-Step Asynchronous Bit Rate Adaption ........................................ 4-117
Figure 4-40. V.110 Receive Buffer Descriptor............................................................ 4-119
Figure 4-41. V.110 Transmit Buffer Descriptor........................................................... 4-120
Figure 4-42. Transparent Receive Buffer Descriptor.................................................. 4-130
Figure 4-43. Transparent Transmit Buffer Descriptor................................................. 4-131
Figure 4-44. SCP Timing ............................................................................................ 4-135
Figure 4-45. SCP vs. SCC Pin Multiplexing ............................................................... 4-137
Figure 5-1.
xviii
Serial Channels Physical Interface Block Diagram .................................. 4-10
IDL Bus Signals ....................................................................................... 4-11
IDL Terminal Adaptor ............................................................................... 4-12
GCI Bus Signals....................................................................................... 4-15
Two PCM Sync Methods.......................................................................... 4-18
Functional Signal Groups........................................................................... 5-3
MC68302 USER’S MANUAL
Signal Description
Section 5
Title
MOTOROLA
Number
Page