Table 3-21: 0x011: user checksum register, Table 3-22: 0x012: ufm erase control register, Table 3-20 – Kontron COMe-cP2020 User Manual
Page 51: Table 3-21, Table 3-22
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Table 3-20:
0x010: Serdes Multiplexer Control Register
ACTION
D7
D6
D5
D4
D3
D2
D1
D0
READ
NU
NU
NU
NU
NU
Sel2
Sel1
Sel1
WRITE
NU
NU
NU
NU
NU
Sel2
Sel1
Sel1
POWER UP
1
1
1
1
1
1
1
1
BITFIELD
DESCRIPTION
[D2-D0]
Sel0
Serdes#1 Multiplexer selection :
'0' = CPU Serdes Lane#1 is connected to Carrier Serdes Lane#1
'1' = CPU Serdes Lane#1 is connected to Carrier Serdes Lane#4
Sel1
Serdes#2 Multiplexer selection :
'0' = CPU Serdes Lane#2 is connected to Carrier Serdes Lane#2
'1' = CPU Serdes Lane#2 is connected to Carrier Serdes Lane#10
Sel2
Serdes#3 Multiplexer selection :
'0' = CPU Serdes Lane#3 is connected to Carrier Serdes Lane#3
'1' = CPU Serdes Lane#3 is connected to Carrier Serdes Lane#11
Table 3-21:
0x011: User Checksum Register
ACTION
D7
D6
D5
D4
D3
D2
D1
D0
READ
Compare_Byte[7:0]
WRITE
Compare_Byte[7:0]
POWER UP
1
1
1
1
1
1
1
1
BITFIELD
DESCRIPTION
[D7-D0]
Compare_Byte[7:0]
Checksum Control Byte:
User Configuration is only valid if sum of all 16 CPU Conf iguration Registers
(0x000 - 0x010) + value of User Checksum Register =0x011) is equal 00h.
If the addition of all 17 registers is not equal 00h CPLD forces automatically Default
Conf iguration strappings to CPU.
Table 3-22:
0x012: UFM Erase Control Register
ACTION
D7
D6
D5
D4
D3
D2
D1
D0
READ
0
0
0
0
0
0
0
0
WRITE
NU
NU
NU
NU
NU
NU
NU
RstUfm
POWER UP
0
0
0
0
0
0
0
0
BITFIELD
DESCRIPTION
[D0]
RstUfm
Reset UFM Memory (set all memory cells to 0xFF):
'0' = no Reset
'1' = Reset UFM (bit is set by register access and automatically reset by CPLD)