參數資料
型號: DS3105LN+
廠商: Maxim Integrated Products
文件頁數: 124/124頁
文件大?。?/td> 0K
描述: IC TIMING LINE CARD 64-LQFP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 160
類型: 定時卡 IC,多路復用器
PLL:
主要目的: 以太網,SONET/SDH,Stratum,電信
輸入: CMOS,LVDS,LVPECL,TTL
輸出: CMOS,LVDS,LVPECL,TTL
電路數: 1
比率 - 輸入:輸出: 5:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 312.5MHz
電源電壓: 1.62 V ~ 1.98 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應商設備封裝: 64-LQFP(10x10)
包裝: 托盤
DS3105
99
Register Name:
PHASE1
Register Description:
Phase Register 1
Register Address:
77h
Bit #
7
6
5
4
3
2
1
0
Name
PHASE[7:0]
Default
0
Note: The PHASE1 and PHASE2 registers must be read consecutively. See Section 8.3.
Bits 7 to 0: Current DPLL Phase (PHASE[7:0]). The full 16-bit PHASE[15:0] field spans this register and the
PHASE2 register. PHASE is a two’s-complement signed integer that indicates the current value of the phase
detector. The value is the output of the phase averager. When T4T0 = 0 in the MCR11 register, PHASE indicates
the current phase of the T0 DPLL. When T4T0 = 1, PHASE indicates the current phase of the T4 DPLL. The
averaged phase difference in degrees is equal to PHASE
× 0.707. See Section 7.7.10.
Register Name:
PHASE2
Register Description:
Phase Register 2
Register Address:
78h
Bit #
7
6
5
4
3
2
1
0
Name
PHASE[15:8]
Default
0
Bits 7 to 0: Current DPLL Phase (PHASE[15:8]). See the PHASE1 register description.
Register Name:
PHLKTO
Register Description:
Phase-Lock Timeout Register
Register Address:
79h
Bit #
7
6
5
4
3
2
1
0
Name
PHLKTOM[1:0]
PHLKTO[5:0]
Default
0
1
0
1
0
Bits 7 and 6: Phase-Lock Timeout Multiplier (PHLKTOM[1:0]). This field is an unsigned integer that specifies
the resolution of the phase-lock timeout field PHLKTO[5:0].
00 = 2 seconds
01 = 4 seconds
10 = 8 seconds
11 = 16 seconds
Bits 5 to 0: Phase-Lock Timeout (PHLKTO[5:0]). This field is an unsigned integer that, together with the
PHLKTOM[1:0] field, specifies the length of time that the T0 DPLL attempts to lock to an input clock before
declaring a phase-lock alarm (by setting the corresponding LOCK bit in the ISR registers). The timeout period in
seconds is PHLKTO[5:0]
× 2^(PHLKTOM[1:0] + 1). The state machine remains in the prelocked, prelocked 2, or
phase-lost modes for the specified time before declaring a phase alarm on the selected input. See Section 7.7.1.
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