IDT82V3280DQG IDT, Integrated Device Technology Inc, IDT82V3280DQG Datasheet - Page 26
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IDT82V3280DQG
Manufacturer Part Number
IDT82V3280DQG
Description
IC PLL WAN SE STRATUM 2 100-TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
PLL Clock Generatorr
Specifications of IDT82V3280DQG
Input
CMOS, LVDS, PECL, TTL
Output
CMOS, LVDS, PECL, TTL
Frequency - Max
622.08MHz
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Frequency-max
622.08MHz
Function
Wan PLL
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Package Type
TQFP EP
Pin Count
100
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
82V3280DQG
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Table 9: Related Bit / Register in Chapter 3.6
3.6.2
T0_INPUT_SEL[3:0] / T4_INPUT_SEL[3:0] bits. The results of input
clocks quality monitoring (refer to
toring) do not affect the input clock selection.
3.6.3
validity, priority and locking allowance configuration. The validity
Functional Description
Note: * The setting in the 26 ~ 2C registers is either for T0 path or for T4 path, as determined by the T4_T0_SEL bit.
IDT82V3280
In Forced selection, the selected input clock is set by the
In Automatic selection, the input clock selection is determined by its
No
FORCED SELECTION
AUTOMATIC SELECTION
INn_SEL_PRIORITY[3:0] (14 ≥ n ≥ 1)
Input Clock Quality Monitoring
(LOS, Activity, Frequency)
INn = '1', (14 > n > 1)
INn_VALID (14 ≥ n ≥ 1)
T0_INPUT_SEL[3:0]
T4_INPUT_SEL[3:0]
INn (14 ≥ n ≥ 1)
T4_LOCK_T0
Validity
T0_FOR_T4
T4_T0_SEL
EXT_SW
Yes
Bit
Chapter 3.5 Input Clock Quality Moni-
Figure 6. Qualified Input Clocks for Automatic Selection
All qualified input clocks are available for Automatic selection
No
INn_SEL_PRIORITY[3:0]
'0000', (14 > n > 1)
Priority
26
Yes
depends on the results of input clock quality monitoring (refer to
Chapter 3.5 Input Clock Quality
figured by the corresponding INn_VALID bit(14 ≥ n ≥ 1). Refer to
Figure
is
INn_SEL_PRIORITY[3:0] bits (14 ≥ n ≥ 1). If more than one qualified
input clock INn is available and has the same priority, the input clock
with the smallest ‘n’ is selected.
INPUT_VALID1_STS, INPUT_VALID2_STS
selected.
IN13_IN14_SEL_PRIORITY_CNFG
IN1_IN2_SEL_PRIORITY_CNFG ~
REMOTE_INPUT_VALID1_CNFG,
REMOTE_INPUT_VALID2_CNFG
6. In all the qualified input clocks, the one with the highest priority
T4_T0_REG_SEL_CNFG
MON_SW_PBO_CNFG
T0_INPUT_SEL_CNFG
T4_INPUT_SEL_CNFG
The
Register
No
priority
Monitoring). Locking allowance is con-
Locking Allowance
is
INn_VALID = '0',
(14 > n > 1)
set
Yes
by
December 9, 2008
the
Address (Hex)
corresponding
26 ~ 2C *
4C, 4D
4A, 4B
0B
50
51
07
WAN PLL
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