IBM3229P2035
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IBM Packet Routing Switch Serial Interface Converter
4.1.1.10 Control _Y PATH Registers
YIdlCRCInit
Unused
Unused
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Reset Output Status (Power-on-Reset, Software Reset Path Y)
Address in Word Mode
‘0000 0C00’
x'28’
Address in Byte Mode
x'28 to 2B’
Read/Write
Access Type
Bits /
Word
Bits /
Bytes
Name
Description
Ingress: initial FCS register value for Idle Packet CRC Computation
LU LengthCRC Init Register in Hex
16
17
18
19
20
D0
DD
04
31-24
7-0
YIdlCRCInit
FA
07
1
0
Disable DASL debug bus 1
23
22
7
6
YM3DebEnb1
YM3DebEnb0
YSynchHunt
Enable DASL debug bus 1 (reserved)
1
0
Enable DASL debug bus 0 (see register @8C for displayed signals)
Disable the routing to the debug bus
1
0
Starts receiver synchronization for bit / nible / byte / packet alignment.
Stop the receiver synchronization process
21
20
5
4
Unused
1
0
Indicates on APAN_Y I/O that the port is not synchronized
19
18
3
2
YAPA
Written by the microprocessor to indicate the port is fully synchronized: mapped
to APA_Y I/O)
1
0
Enable DASL port operation for transmitter and receiver
Disable DASL port operation
YDASLEn
1
0
Initiate transmission of ingress synchronization packets
Stop transmission of ingress synchronization packets
17
16
15
1
0
7
YstartSynch
Unused
1
0
Resets DASL eye error detector. See register @30 bit 6 for the error
Yreseteyerror
YstartDIseq
Normal operation
1
0
Start DASL Interface Sequencer (ON during normal operation)
Stop DASL Interface Sequencer
14
13
6
5
This bit must be written at ‘1’ for reset and then at ‘0’ to start DASL transmitter (to emu-
late a pulse that will reset DASL transmitter state machine)
YTX_SYNCH_REQ_IN
prssi.02.fm
Converter Configuration Table Registers
Page 69 of 154
March 1, 2001
IBM [ IBM ]
