IBM3229P2035
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IBM Packet Routing Switch Serial Interface Converter
4.1.1.39 Common PE Setting Register (PE (Common))
BM4_Pos_I
BM3_Pos_I
BM2_Pos_I
BM1_Pos_I
PQ_Pos_I
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)
Address in Word Mode
Address in Byte Mode
Access Type
‘01321008’
x'C8’
x'C8 to CB’
Read/Write
Bits /
Word
Bits /
Bytes
Name
Description
1
PE sends TXFULL to control the flow of packets from the converter may be
used for any flow control mode
31
30
7
6
Grant_from_TxFull_Enable
0
1
TXFULL is not used for link level flow control
Extract TxPause flow control information from incoming packet qualifier to
control the send grant per priority to the switch, or to control the flow of pack-
ets from the converter.
Grant_from_PQ_Enable
0
Out of band flow control
29-28
27-24
5-4
3-0
Unused
Bit Map 4 byte position in packet
BM4_Pos_I
0001 Get BM4 from second byte of first word (during BM1 swap BM4 is moved
there from first byte of second word.)
Bit Map 3 byte position in packet
23-20
19-16
15-12
7-4
3-0
7-4
BM3_Pos_I
BM2_Pos_I
BM1_Pos_I
PQ_Pos_I
0011 Get BM3 from fourth byte of first word
Bit Map 2 byte position in packet
0010
Get BM2 from third byte of first word
Bit Map 1 byte position in packet
0001 Get BM1 from second byte of first word
Packet Qualifier byte position in packet
11-8
7
3-0
7
0000 Get packet qualifier from first byte of first word
Unused
Set the length of the LU:
000 16-byte LU (64-byte packet)
001 17-byte LU (68-byte packet
010 18-byte LU (72-byte packet
011 19-byte LU (76-byte packet)
100 20-byte LU (80-byte packet)
6-4
6-4
3
frame_length_l
Mode32Port
1
0
Select 32-bit bit map header mode
Select 16-bit bit map header mode
3
prssi.02.fm
Converter Configuration Table Registers
Page 105 of 154
March 1, 2001
IBM [ IBM ]
