IDT82V3380A Integrated Device Technology, IDT82V3380A Datasheet - Page 142
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IDT82V3380A
Manufacturer Part Number
IDT82V3380A
Description
Synchronous Ethernet Idt Wan Plltm Idt82v3380a
Manufacturer
Integrated Device Technology
Datasheet
1.IDT82V3380A.pdf
(177 pages)
- Current page: 142 of 177
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OUT4_FREQ_CNFG - Output Clock 4 Frequency Configuration
Programming Information
IDT82V3380A
Address: 6EH
Type: Read / Write
Default Value: 00000110
OUT4_PATH_S
7 - 4
3 - 0
Bit
EL3
7
OUT4_PATH_SEL[3:0]
OUT4_DIVIDER[3:0]
OUT4_PATH_S
Name
EL2
6
These bits select an input to OUT4.
0000 ~ 0011: The output of T0 APLL. (default: 0000)
0100: The output of T0 DPLL 77.76 MHz path.
0101: The output of T0 DPLL 12E1/24T1/E3/T3 path.
0110: The output of T0 DPLL 16E1/16T1 path.
0111: The output of T0 DPLL ETH/OBSAI/16E1/16T1 path.
1000 ~ 1011: The output of T4 APLL.
1100: The output of T4 DPLL 77.76 MHz path.
1101: The output of T4 DPLL 12E1/24T1/E3/T3 path.
1110: The output of T4 DPLL 16E1/16T1 path.
1111: The output of T4 DPLL GSM/GPS/16E1/16T1 path.
These bits select a division factor of the divider for OUT4.
The output frequency is determined by the division factor and the signal derived from T0/T4 DPLL or T0/T4 APLL output
(selected by the OUT4_PATH_SEL[3:0] bits (b7~4, 6EH)). If the signal is derived from one of the T0/T4 DPLL outputs,
please refer to
Table 26~Table 28
OUT4_PATH_S
EL1
5
Table 25
for the division factor selection.
OUT4_PATH_S
for the division factor selection. If the signal is derived from the T0/T4 APLL output, please refer to
EL0
4
142
OUT4_DIVIDER
3
3
Description
OUT4_DIVIDER
2
2
SYNCHRONOUS ETHERNET WAN PLL™
OUT4_DIVIDER
1
1
September 30, 2010
OUT4_DIVIDER
0
0
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