T-8110L AGERE [Agere Systems], T-8110L Datasheet - Page 35
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T-8110L
Manufacturer Part Number
T-8110L
Description
Manufacturer
AGERE [Agere Systems]
Datasheet
1.T-8110L.pdf
(164 pages)
- Current page: 35 of 164
- Download datasheet (3Mb)
February 2004
Agere Systems Inc.
5 Operating Control and Status
5.1 Control Registers
5.1.7 Fallback Type Select Register (continued)
Table 22. Fallback Type Select Register
5.1.8 Fallback Trigger Registers
The fallback trigger registers are used in conjunction with the fallback type select register and control which H-bus
clocks are enabled to trigger a clock fallback event in case of error. The sync reference inputs to DPLL1 and
DPLL2 can also trigger a clock fallback event upon detection of an error.
Table 23. Fallback Trigger Registers
Address
0x00109 Fallback Type
Address
Byte
0x0010A
Byte
Select
Fallback Trigger, Lower
Name
Name
(continued)
Bit(s) Mnemonic Value
7:4
3:0
Bit(s) Mnemonic Value
FSMSN
FTRSN
(continued)
7
6
5
4
3
2
1
0
CMFEB
SCFEB
CPFEB
CBFEB
CAFEB
S2FEB
C2FEB
C4FEB
0000
0001
0010
0100
1000
1001
0000
0001
0010
Ambassador T8110L H.100/H.110 Switch
NOP (default).
Legacy, fallback to OSC/4 on main select failure.
Legacy, fallback X/Y set on main select failure.
Legacy, fallback X/Y set on H-bus A/B failure.
Fallback trigger registers control fallback.
Fallback trigger registers control fallback and
H-Bus clock enable state machine is enabled.
Fallback is disabled (default).
Enable fixed secondary fallback.
Enable rotating secondary fallback.
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Disable /SCLKx2 trigger (default).
Enable /SCLKx2 trigger.
Disable SCLK trigger (default).
Enable SCLK trigger.
Disable C2 trigger (default).
Enable C2 trigger.
Disable /C4 trigger (default).
Enable /C4 trigger.
Disable /C16– trigger (default).
Enable /C16– trigger.
Disable /C16+ trigger (default).
Enable /C16+ trigger.
Disable CT_C8_B trigger (default).
Enable CT_C8_B trigger.
Disable CT_C8_A trigger (default).
Enable CT_C8_A trigger.
Function
Function
35
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