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IBM3209K3114
Advance
IBM Packet Routing Switch Serial Interface Converter
prssi.01
July 12, 2000
Converter Configuration Table Registers
Page 57 of 142
4.1.1.10 Control _Y PATH Registers
YIdlCRCInit
Y
Y
Y
U
Y
Y
Y
U
Y
Y
Y
Y
Y
Y
Y
Y
Unused
U
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)
‘
0000 0C00
’
Address in Word Mode
x'28
’
Address in Byte Mode
x'28 to 2B
’
Access Type
Read/Write
Bits /
Word
Bits /
Bytes
Name
Description
31-24
7-0
YIdlCRCInit
Ingress: initial FCS register value for Idle Packet CRC Computation
LU LengthCRC Init Register in Hex
16
D0
17
DD
18
04
19
FA
20
07
23
7
YM3DebEnb1
1
0
Disable DASL debug bus 1
Enable DASL debug bus 1 (reserved)
22
6
YM3DebEnb0
1
0
Enable DASL debug bus 0 (see register @8C for displayed signals)
Disable the routing to the debug bus
21
5
YSynchHunt
1
0
Starts receiver synchronization for bit / nible / byte / packet alignment.
Stop the receiver synchronization process
20
4
Unused
19
3
YAPA
1
0
Indicates on APAN_Y I/O that the port is not synchronized
Written by the microprocessor to indicate the port is fully synchronized: mapped
to APA_Y I/O)
18
2
YDASLEn
1
0
Enable DASL port operation for transmitter and receiver
Disable DASL port operation
17
1
YstartSynch
1
0
Initiate transmission of ingress synchronization packets
Stop transmission of ingress synchronization packets
16
0
Unused
15
7
Yreseteyerror
1
0
Resets DASL eye error detector. See register @30 bit 6 for the error
Normal operation
14
6
YstartDIseq
1
0
Start DASL Interface Sequencer (ON during normal operation)
Stop DASL Interface Sequencer
13
5
YTX_SYNCH_REQ_IN
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)