MC68000 MOTOROLA [Motorola, Inc], MC68000 Datasheet - Page 14

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

Table of Contents
Paragraph
Number
D.7.6
D.8
D.8.1
D.8.2
D.8.3
D.8.4
D.8.5
D.8.6
D.8.6.1
D.8.6.2
D.8.7
D.8.8
D.8.9
D.8.10
D.8.11
D.8.12
D.8.12.1
D.8.12.2
D.8.13
D.8.14
D.9
D.9.1
D.9.2
E.1
E.1.1
E.1.1.1
E.1.1.1.1
E.1.1.1.2
E.1.1.1.3
E.1.1.2
E.1.1.2.1
E.1.1.2.2
E.1.1.2.3
E.1.1.2.4
E.1.1.2.5
E.1.1.2.6
E.1.1.3
E.1.1.3.1
E.1.1.3.2
E.1.1.3.3
E.1.1.3.4
E.1.1.3.5
xiv
Final Notes............................................................................................ D-45
Using the MC68302 Transparent Mode................................................ D-45
Transparent Mode Definition................................................................. D-45
Applications for Transparent Mode ....................................................... D-46
Physical Interface to Accompany Transparent Mode ........................... D-47
General Transparent Mode Behavior.................................................... D-50
Transparent Mode with the NMSI Physical Interface............................ D-52
Other NMSI Modes ............................................................................... D-56
BISYNC Mode....................................................................................... D-56
Transync Mode. .................................................................................... D-58
Gating Clocks in NMSI Mode................................................................ D-58
Using Transparent Mode with PCM Highway Mode ............................. D-60
PCM Mode Final Thoughts ................................................................... D-64
Using Transparent Mode with IDL and GCI .......................................... D-64
Initializing Transparent Mode................................................................ D-65
Special Uses of Transparent Mode....................................................... D-67
5- OR 6-Bit UART. ................................................................................ D-67
Synchronous UART. ............................................................................. D-67
SCP as a Transparent Mode Alternative .............................................. D-68
Transparent Mode Summary ................................................................ D-68
An Appletalk Node with the MC68302 and MC68195 ........................ D-69
Overview of the Board .......................................................................... D-70
Important Side Notes ............................................................................ D-70
HDLC Programming Reference Section ................................................. E-1
HDLC Programming Model..................................................................... E-1
COmmunications PRocessor (CP) Registers. ........................................ E-3
Command Register CR).......................................................................... E-3
Serial Interface Mode Register (SIMODE).............................................. E-4
Serial Interface Mask Register (SIMASK)............................................... E-5
Per SCC Registers.................................................................................. E-6
Serial Configuration Register (SCON). ................................................... E-6
SCC Mode Register (SCM)..................................................................... E-6
SCC Data Synchronization Register (DSR)............................................ E-8
HDLC Event Register (SCCE) ................................................................ E-8
HDLC Mask Register (SCCM) ................................................................ E-9
HDLC Status Register (SCCS) ............................................................... E-9
General and HDLC Protocol-specific Parameter RAM ........................... E-9
RFCR/TFCR—Rx Function Code/Tx Function Code.............................. E-9
MRBLR—Maximum Rx Buffer Length. ................................................. E-10
CRC Mask_L and CRC Mask_H........................................................... E-10
DISFC—Discard Frame Counter. ......................................................... E-10
CRCEC—CRC Error Counter. .............................................................. E-10
SCC Programming Reference
MC68302 USER’S MANUAL
Appendix E
Title
MOTOROLA
Number
Page