Zilog Z16C35 Bedienungsanleitung Seite 288
- Seite / 322
- Inhaltsverzeichnis
- LESEZEICHEN
Bewertet. / 5. Basierend auf Kundenbewertungen
Application Note
Technical Considerations When Implementing LocalTalk Link Access Protocol
14-8
APPENDIX A
Listing 1- Asembler Code for SCC Initialization
LISTING 1
475 ;***************************************
476 ;subroutine to initialize scc registers
477 ;***************************************
000001e2 478 initscc:
000001e2 f3 479 di ;disable int while programming scc
000001e3 f5 480 push af
000001e4 c5 481 push bc
000001e5 e5 482 push hl
483
000001e6 3e09 484 ld a,09h ;WR9
000001e8 d3e8 485 out (scc_cont),a ;point to scc register
000001ea 3e80 486 ld a,80h ;channel reset
000001ec d3e8 487 out (scc_cont),a ;scc register value
000001ee 00 488 nop ;delay needed after scc reset
489
490
000001ef 21Wwww 491 ld hl,scctable ;fetch start of scc init table
000001f2 492 scc1:
000001f2 7e 493 ld a,(hl) ;fetch register pointer value
000001f3 feff 494 cp 0ffh
000001f5 caWwww 495 jp z,finscc ;if reg a =0ffh then initscc finished
000001f8 d3e8 496 out (scc_cont),a
000001fa 23 497 inc hl
000001fb 7e 498 ld a,(hl)
000001fc d3e8 499 out (scc_cont),a
000001fe 23 500 inc hl
000001ff c3R000+01f2, 501 jp scc1 ;loop back
502
00000202 503 scctable:
00000202 04 504 db 04h ;WR4
00000203 20 505 db 00100000b ;sdlc uses 1x,sdlc mode,no parity
506
00000204 01 507 db 01h ;WR1
00000205 00 508 db 00h ;nothing,rx,tx and ext int disabled
509
00000206 02 510 db 02h ;WR2
00000207 00 511 db 00h ;vector base is 00h
512
00000208 03 513 db 03h ;WR3
00000209 cc 514 db 0cch ;rx 8b/char,rx crc enabled,address
515 ;search mode for adlc address filtering
516 ;rx disabled.
517
0000020a 05 518 db 05h ;WR5
0000020b 60 519 db 60h ;tx 8b/char, set rts to disable drivers
520
0000020c 06 521 db 06h ;WR6
0000020d 00 522 db 00h ;address field=’myaddress’ in main pgm
523
0000020e 07 524 db 07h ;WR7
0000020f 7e 525 db 7eh ;flag pattern
526
00000210 09 527 db 09h ;WR9
00000211 01 528 db 01h ;stat low, vis therefore vector returned
529 ;is a variable depending on the source
530 ;of the interrupt.
531
Page 282 of 316
UM011002-0808
- User Manual 1
- Revision History 3
- Table of Contents 4
- 1.1 INTRODUCTION 7
- Page 2 of 316 8
- Page 3 of 316 9
- 1.3 Pin Description 12
- Page 7 of 316 13
- Page 8 of 316 14
- Page 9 of 316 15
- Page 10 of 316 16
- 2.1 Introduction 17
- Page 12 of 316 18
- 2.2.3 Data Transfers 19
- 2.3.1 Polling 20
- 2.3.2 Interrupts 21
- 2.3.3 DMA Interrupts 22
- 2.4 REGISTER ACCESS 23
- Page 18 of 316 24
- Page 20 of 316 26
- 2.4.4 DMA Cell Registers 28
- Page 23 of 316 29
- Page 25 of 316 31
- Support Circuitry 32
- Page 27 of 316 33
- 3.3 BAUD RATE GENERATOR 34
- Page 29 of 316 35
- Page 30 of 316 36
- 3.4 DATA ENCODING/DECODING 37
- Page 32 of 316 38
- Page 33 of 316 39
- Page 34 of 316 40
- Page 35 of 316 41
- Page 36 of 316 42
- Page 37 of 316 43
- Page 38 of 316 44
- 3.6 CLOCK SELECTION 46
- Page 41 of 316 47
- Page 43 of 316 49
- 3.7 CRYSTAL OSCILLATORS 50
- Page 45 of 316 51
- Page 46 of 316 52
- Page 47 of 316 53
- Page 48 of 316 54
- 4.2 ASYNCHRONOUS MODE 55
- 4.2.1 Asynchronous Transmit 56
- Page 51 of 316 57
- Page 52 of 316 58
- Page 53 of 316 59
- Page 54 of 316 60
- Page 55 of 316 61
- Page 56 of 316 62
- Page 57 of 316 63
- WR4 0,1 select parity 64
- WR5 1 RTS 64
- 2 select CRC generator 64
- Page 59 of 316 65
- Page 60 of 316 66
- Page 61 of 316 67
- Page 62 of 316 68
- Page 63 of 316 69
- Page 64 of 316 70
- Page 65 of 316 71
- Page 67 of 316 73
- Page 68 of 316 74
- Page 69 of 316 75
- 4.4.1 SDLC Transmit 76
- Page 71 of 316 77
- Page 72 of 316 78
- WR4 1-0 Select parity 79
- WR5 2 Select CRC-CCITT 79
- 4.4.2 SDLC Receive 80
- Page 75 of 316 81
- Page 76 of 316 82
- Page 77 of 316 83
- Page 78 of 316 84
- Page 79 of 316 85
- 4.4.3 SDLC LOOP MODE 86
- Page 81 of 316 87
- Page 82 of 316 88
- Page 83 of 316 89
- Page 84 of 316 90
- Page 85 of 316 91
- 5.1 INTRODUCTION 92
- 5.2 REGISTER DESCRIPTIONS 92
- Page 87 of 316 93
- 5.2.3 DMA Registers 94
- 5.4 WRITE REGISTERS 95
- Page 90 of 316 96
- Page 91 of 316 97
- Page 92 of 316 98
- Page 93 of 316 99
- Mode Definition) 100
- Page 96 of 316 102
- Page 97 of 316 103
- Page 98 of 316 104
- Page 99 of 316 105
- Page 100 of 316 106
- Page 101 of 316 107
- Page 102 of 316 108
- Page 103 of 316 109
- Page 104 of 316 110
- Page 105 of 316 111
- Page 106 of 316 112
- Page 107 of 316 113
- Page 108 of 316 114
- Page 109 of 316 115
- Page 110 of 316 116
- Page 111 of 316 117
- Page 112 of 316 118
- Page 113 of 316 119
- Constant) 120
- Page 116 of 316 122
- Page 117 of 316 123
- Page 118 of 316 124
- Page 119 of 316 125
- 5.5 READ REGISTERS 126
- Page 121 of 316 127
- Page 122 of 316 128
- 5.5.2 Read Register 1 129
- Page 124 of 316 130
- 5.5.3 Read Register 2 131
- 5.5.4 Read Register 3 132
- 5.5.5 Read Register 8 133
- 5.5.6 Read Register 10 133
- 5.5.7 Read Register 12 134
- 5.5.8 Read Register 13 134
- 5.5.9 Read Register 15 135
- Page 130 of 316 136
- 5.6.2 DMA Status Register 137
- Page 132 of 316 138
- Page 133 of 316 139
- Page 135 of 316 141
- Page 136 of 316 142
- 5.6.7 DMA Enable Register 143
- 5.6.8 DMA Control Register 144
- Page 139 of 316 145
- Page 140 of 316 146
- Page 141 of 316 147
- Page 143 of 316 149
- UM011002-0808 149
- Page 145 of 316 151
- Page 146 of 316 152
- Page 147 of 316 153
- Customer Support 154
- PPLICATION 155
- Write Cycle Timing 157
- INPUT/OUTPUT CYCLES 159
- Z80A CPU to Z8500 Peripherals 159
- INPUT/OUTPUT CYCLES 160
- (Continued) 160
- Z90H CPU TO Z8500 PERIPHERALS 164
- INTERRUPT ACKNOWLEDGE CYCLES 169
- EXTERNAL INTERFACE LOGIC 169
- CPU/Peripheral Same Speed 169
- Z8500/Z8500A Peripherals 171
- Software 176
- Interfacing Z80 177
- INTRODUCTION 178
- INTERFACES 179
- Z180 to Memory Interface 179
- EPROM INTERFACE 181
- '74 '74 184
- Z180 TO I/O INTERFACE 185
- (Continued) 189
- SCC Interrupt Operation 189
- Z180 MPU to SCC Interface 191
- SCC I/O Read/Write Cycle 191
- USING EPLD 196
- Application Note 198
- Page 192 of 316 198
- CONCLUSION 210
- GENERAL DESCRIPTION 211
- GENERAL DESCRIPTION 212
- Processor 212
- Address Map 213
- UM011001-0601 216
- IUSC (Continued) 220
- SERIAL INTERFACING 220
- JUMPER SUMMARY 225
- DMA/EPLD LOGIC 226
- DMA/EPLD LOGIC (Continued) 228
- YNCHRONOUS 231
- OMMUNICATIONS 231
- SYNCHRONOUS MODES 232
- SYSTEM INTERFACE 232
- CONTROL BUS 233
- EPROM CONTROL BUS 233
- RAM CONTROL BUS 233
- ADDRESS/DATA BUS 233
- SYSTEM INTERFACE 234
- INITIALIZATION 235
- INITIALIZATION 236
- APPENDIX 238
- SOFTWARE ROUTINES 238
- RECEIVE ROUTINE 240
- TRANSMIT ROUTINE 241
- RECEIVE INT. SERVICE ROUTINE 242
- SDLC TRANSMIT 245
- SDLC RECEIVE 247
- /W//REQ (In /REQ mode) 249
- ONLY MODE 251
- Master SCC 253
- Slave SCC #1 253
- Slave SCC #2 253
- Slave SCC #n 253
- DATA TRANSFER MODES 256
- SDLC PROTOCOL 257
- TRANSMIT OPERATION 262
- RECEIVE OPERATION 262
- SOFTWARE 265
- RECEIVE OPERATION 267
- ESCC/SCC DIFFERENCES 269
- ESCC SYSTEM BENEFITS 271
- TRANSMIT FIFO INTERRUPT 272
- RECEIVE FIFO INTERRUPT 273
- AUTOMATIC /RTS DEASSERTION 274
- MODIFIED WRITE TIMING 280
- HARDWARE CONFIGURATION 284
- TRANSMITTING A LLAP FRAME 286
- RECEIVING LLAP FRAMES 286
- CONCLUSIONS 287
- APPENDIX A 288
- APPENDIX B 298
- SCILLATOR 301
- Quartz Equivalent Circuit 303
- Symbolic Representation 303
- Load Capacitors 305
- Amplifier Characteristics 305
- Signal Line 308
- Layout Should 308
- Avoid High 308
- Lighted Areas 308
- NTERFACING 311
- CONFIGURING THE BUS 315
- APPLICATIONS EXAMPLES 318
- ONTROLLER 321
- ISCC QUESTIONS AND ANSWERS 322
Verwandte Produkte und Handbücher für Sensoren Zilog Z16C35
Sensoren Zilog Z80380 Bedienungsanleitung
(268 Seiten)
(268 Seiten)
Sensoren Zilog Z80380 Bedienungsanleitung
(116 Seiten)
(116 Seiten)
Sensoren Zilog Z80195 Bedienungsanleitung
(47 Seiten)
(47 Seiten)
Sensoren Zilog Z80180 Bedienungsanleitung
(326 Seiten)
(326 Seiten)
Sensoren Zilog Z86193 Bedienungsanleitung
(260 Seiten)
(260 Seiten)
Sensoren Zilog Z86C36 Bedienungsanleitung
(64 Seiten)
(64 Seiten)
Sensoren Zilog Z86E07 Bedienungsanleitung
(43 Seiten)
(43 Seiten)
Sensoren Zilog Z08470 Bedienungsanleitung
(326 Seiten)
(326 Seiten)
Sensoren Zilog Z08470 Bedienungsanleitung
(330 Seiten)
(330 Seiten)
Sensoren Zilog Z8PE002 Bedienungsanleitung
(48 Seiten)
(48 Seiten)
Sensoren Zilog Z8PE002 Bedienungsanleitung
(44 Seiten)
(44 Seiten)
Sensoren Zilog Z8FS021A Bedienungsanleitung
(25 Seiten)
(25 Seiten)
Sensoren Zilog ZEPIR0BA Bedienungsanleitung
(18 Seiten)
(18 Seiten)
Sensoren Zilog EZ80F91GA Bedienungsanleitung
(127 Seiten)
(127 Seiten)
Sensoren Zilog ZMOT0BHH Bedienungsanleitung
(34 Seiten)
(34 Seiten)
Sensoren Zilog Z16FMC2 Bedienungsanleitung
(8 Seiten)
(8 Seiten)
Sensoren Zilog Z16FMC2 Bedienungsanleitung
(26 Seiten)
(26 Seiten)
Sensoren Zilog ZAURA868 Bedienungsanleitung
(44 Seiten)
(44 Seiten)
Sensoren Zilog Z80230 Bedienungsanleitung
(394 Seiten)
(394 Seiten)
Sensoren Zilog ZAURCT Bedienungsanleitung
(59 Seiten)
(59 Seiten)
© 2020, manymanuals.de. Alle Rechte vorbehalten. | 0.035 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Kommentare zu diesen Handbüchern