IDT82V3380A Datasheet, PDF (111/177 Pages) Integrated Device Technology – SYNCHRONOUS ETHERNET IDT WAN PLL™

IDT82V3380A
SYNCHRONOUS ETHERNET WAN PLL™
DECAY_RATE_3_CNFG - Decay Rate for Leaky Bucket Configuration 3
Address: 40H
Type: Read / Write
Default Value: XXXXXX01
7
6
5
4
3
-
-
-
-
-
2
1
0
-
DECAY_RATE_ DECAY_RATE_
3_DATA1
3_DATA0
Bit
Name
Description
7-2
-
Reserved.
These bits set a decay rate for the internal leaky bucket accumulator:
00: The accumulator decreases by 1 in every 128 ms with no event detected.
1 - 0 DECAY_RATE_3_DATA[1:0] 01: The accumulator decreases by 1 in every 256 ms with no event detected. (default)
10: The accumulator decreases by 1 in every 512 ms with no event detected.
11: The accumulator decreases by 1 in every 1024 ms with no event detected.
IN_FREQ_READ_CH_CNFG - Input Clock Frequency Read Channel Selection
Address: 41H
Type: Read / Write
Default Value: XXXX0000
7
6
5
4
3
2
1
0
-
-
-
-
IN_FREQ_READ IN_FREQ_READ IN_FREQ_READ IN_FREQ_READ
_CH3
_CH2
_CH1
_CH0
Bit
Name
Description
7-4
-
Reserved.
These bits select an input clock, the frequency of which with respect to the reference clock can be read.
0000: Reserved. (default)
0001: IN1.
3-0
IN_FREQ_READ_CH[3:0]
0010: IN2.
......
1101: IN13.
1110: IN14.
1111: Reserved.
Programming Information
111
May 16, 2011