參數(shù)資料
型號: IDT82V3255
廠商: Integrated Device Technology, Inc.
英文描述: WAN PLL
中文描述: 廣域網(wǎng)鎖相環(huán)
文件頁數(shù): 85/127頁
文件大小: 868K
代理商: IDT82V3255
IDT82V3255
WAN PLL
Programming Information
85
June 19, 2006
PRIORITY_TABLE1_STS - Priority Status 1 *
Address: 4EH
Type: Read
Default Value: 00000000
Bit
Name
Description
7 - 4
HIGHEST_PRIORITY_VALIDATED[3:0]
These bits indicate a qualified input clock with the highest priority.
0000: No input clock is qualified. (default)
0001, 0010: Reserved.
0011: IN1_CMOS.
0100: IN2_CMOS.
0101: IN1_DIFF.
0110: IN2_DIFF.
0111, 1000: Reserved.
1001: IN3_CMOS.
1010 ~ 1111: Reserved.
These bits indicate the T0/T4 selected input clock.
0000: No input clock is selected; or the T4 selected input clock is the T0 DPLL output. (default)
0001, 0010: Reserved.
0011: IN1_CMOS is selected.
0100: IN2_CMOS is selected.
0101: IN1_DIFF is selected.
0110: IN2_DIFF is selected.
0111, 1000: Reserved.
1001: IN3_CMOS is selected.
1010 ~ 1111: Reserved.
3 - 0
CURRENTLY_SELECTED_INPUT[3:0]
7
6
5
4
3
2
1
0
HIGHEST_PRI
ORITY_VALIDA
TED3
HIGHEST_PRI
ORITY_VALIDA
TED2
HIGHEST_PRI
ORITY_VALIDA
TED1
HIGHEST_PRI
ORITY_VALIDA
TED0
CURRENTLY_S
ELECTED_INP
UT3
CURRENTLY_S
ELECTED_INP
UT2
CURRENTLY_S
ELECTED_INP
UT1
CURRENTLY_S
ELECTED_INP
UT0
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