Zilog Z16C35 User Manual
Page 289

Application Note
Technical Considerations When Implementing LocalTalk Link Access Protocol
14-9
1
00000212 0a
532
db
0ah
;WR10
00000213 e0
533
db
0e0h
;crc preset to one,fm0, flag idle/undr
534
00000214 0b
535
db
0bh
;WR11
00000215 f6
536
db
0f6h
;rtxc=xtal,rxc=dpll,txc=brg,trxc=brg out
537
00000216 0c
538
db
0ch
;WR12
00000217 06
539
db
06h
;brg tc low,for 230.4kbps using rtxc=3.68MHz
540
00000218 0d
541
db
0dh
;WR13
00000219 00
542
db
00h
;brg tc high
543
0000021a 0e
544
db
0eh
;WR14
0000021b 60
545
db
60h
;disable dpll
546
;no local loop back,brg source=rtxc
547
0000021c 0e
548
db
0eh
;WR14
0000021d c0
549
db
0c0h
;select fm mode
550
;no local loop back,brg source=rtxc
551
0000021e 0e
552
db
0eh
;WR14
0000021f a0
553
db
0a0h
;dpll source=rtxc,
554
;no local loop back,brg source=rtxc
555
00000220 0e
556
db
0eh
;WR14
00000221 20
557
db
20h
;enter search mode
558
;no local loopback
559
00000222 0e
560
db
0eh
;WR14
00000223 01
561
db
01h
;null,no local loopback,enable the brg
562
00000224 03
563
db
03h
;WR3
00000225 cc
564
db
0cch
;rx 8b/c,enable rx crc,addrs src,rx disable
565
00000226 0f
566
db
0fh
;WR15
00000227 00
567
db
00h
;ext/stat not used
568
569 ;WR0
00000228 10
570
db
10h
;reset ext/stat once
00000229 10
571
db
10h
;reset ext/stat twice
572
0000022a 01
573
db
01h
;WR1
0000022b 00
574
db
00h
;disable all int sources
575
0000022c 09
576
db
09h
;WR9
0000022d 09
577
db
09h
;enable int
0000022e ff
578
db
0ffh
;finished
579
0000022f
580 finscc:
0000022f e1
581
pop
hl
;
00000230 c1
582
pop
bc
;
00000231 f1
583
pop
af
;
00000232 c9
584
ret
585
Page 283 of 316
UM011002-0808