Motorola MC68824 User Manual page 5

Paragraph
Number
2.1.21
2.1.22
2.1.23
2.1.24
2.1.25
2.1.26
2.1.27
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.10
2.2.11
2.2.11.1
2.2.11.2
2.2.12
2.2.13
2.2.13.1
2.2.13.2
2.2.13.3
2.2.13.4
2.2.13.5
2.2.13.6
2.2.13.7
2.2.13.8
2.2.14
2.2.14.1
2.2.14.2
2.2.14.3
2.2.14.4
2.2.15
TABLE OF CONTENTS (Continued)
Page
Title Number
Individual Address Mask............................................................. 2-8
Non-RWR Maximum Retry Limit................................................... 2-8
RWR Maximum Retry Limit......................................................... 2-9
Slot Time................................................................................. 2-9
This Station Address .... ....... ........ ............ ......... ..... ...... ....... ........ 2-9
Manufacturer Product Revision and 802.4 Standard Revision Number.. 2-9
Transmitter Fault Count .............
~................................................
2-10
Initialization Table ....... ........... .... ................. .......... ..... ...... ............... 2-10
Private Area Function Code......................................................... 2-10
Private Area Pointer ............ ........ .... ................. ........... ........... .... 2-10
Parameters Initializing the Private Area ............ ...... ........................ 2-10
Initial Pad Timer Preset (PTP) .................. ...................... ...... ......... 2-13
Initial In-Ring Desired .. ... ...... ...... ........... ........ ....... ...... ............... 2-13
Initial Address Length............ ...... ........... ......... ...... ...... ............... 2-13
Response Destination Address Pointer ............................ ............... 2-13
Response Pointer. ....... .... ................ .... .... ... ..... ..... ....... ..... ......... 2-13
Request with Response Pointer .............. ........ .................... .......... 2-14
Command Parameter Area .......................................................... 2-14
Interrupt Status Words ............................................................... 2-15
Interrupt Status Word 0........ ....... ........ ........ ..... ...... ..... .... ...... 2-15
Interrupt Status Word 1 ....... :................................................. 2-17
Interrupt Masks..... .... ............................ .... ........ .... ...... ...... ..... .... 2-19
Statistics ................................................................................. 2-19
Number of Tokens Passed ..................................................... 2-20
Number of Tokens Heard....................................................... 2-20
Number of Passes Through No Successor 8 .......... .................... 2-20
Number of Who Follows............................................... ......... 2-20
Number of Token Pass Failed................................................. 2-20
Number of Frames Too Long (>8K Bytes)................................. 2-20
Number of No FD/BD Errors................................................... 2-20
Number of Overruns............................................................. 2-21
Modem Error Counters............................................................... 2-21
Non-Silence........................................................................ 2-21
FCS Errors.......................................................................... 2-21
E-Bit Errors......................................................................... 2-21
Frame Fragments................................................................. 2-21
DMA Dump Area....................................................................... 2-21
Section 3
Commands
3.1 Registers...... ........................................... ...... ...... ........... ..... ...... .... 3-2
3.1.1 TBC Register Map...................................................................... 3-3
3.1.2 Command Register (CR).............................................................. 3-3
3.1.3 Data Register (DR) ..................................................................... 3-3
3.1.4 Interrupt Vector Register (IV)............ ........ ............ ........................ 3-3
3.1.5 Semaphore Register.............. ..................................................... 3-4
MOTOROLA
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MC68824 USER'S MANUAL