參數(shù)資料
型號: CDCE913_1
廠商: Texas Instruments, Inc.
英文描述: Programmable 1-PLL VCXO Clock Synthesizer With 1.8-V, 2.5-V, and 3.3-V Outputs
中文描述: 可編程1 - PLL頻率石英振蕩器時(shí)鐘合成器的1.8 V,2.5 V和3.3 V輸出
文件頁數(shù): 17/23頁
文件大小: 428K
代理商: CDCE913_1
www.ti.com
CDCE913
CDCEL913
SCAS849A–JUNE 2007–REVISED AUGUST 2007
Table 10. PLL1 Configuration Register (continued)
OFFSET
(1)
Bit
(2)
Acronym
Default
(3)
DESCRIPTION
0 – down
1 – center
7
SSC1DC
0b
PLL1 SSC down/center selection:
16h
0 – reset and stand-by
1-to-127 is divider value
6:0
Pdiv2
01h
7-Bit Y2-Output-Divider Pdiv2:
7
0b
Reserved – do not write others than 0
17h
0 – reset and stand-by
1-to-127 is divider value
6:0
Pdiv3
01h
7-Bit Y3-Output-Divider Pdiv3:
18h
7:0
PLL1_0N [11:4]
004h
7:4
PLL1_0N [3:0]
19h
3:0
PLL1_0R [8:5]
000h
PLL1_0: 30-Bit Multiplier/Divider value for frequency f
(for more information, see paragraph
PLL Multiplier/Divider Definition
).
7:3
PLL1_0R[4:0]
1Ah
2:0
PLL1_0Q [5:3]
10h
7:5
PLL1_0Q [2:0]
4:2
PLL1_0P [2:0]
010b
1Bh
00 – f
< 125 MHz
01 – 125 MHz
f
VCO1_0
< 150 MHz
10 – 150 MHz
f
< 175 MHz
11 – f
VCO1_0
175 MHz
1:0
VCO1_0_RANGE
00b
f
VCO1_0
range selection:
1Ch
7:0
PLL1_1N [11:4]
004h
7:4
PLL1_1N [3:0]
1Dh
3:0
PLL1_1R [8:5]
000h
PLL1_1: 30-Bit Multiplier/Divider value for frequency f
(for more information see paragraph
PLL Multiplier/Divider Definition
)
1Eh
7:3
PLL1_1R[4:0]
2:0
PLL1_1Q [5:3]
10h
1Fh
7:5
PLL1_1Q [2:0]
4:2
PLL1_1P [2:0]
010b
00 – f
< 125 MHz
01 – 125 MHz
f
VCO1_1
< 150 MHz
10 – 150 MHz
f
< 175 MHz
11 – f
VCO1_1
175 MHz
1:0
VCO1_1_RANGE
00b
f
VCO1_1
range selection:
Copyright 2007, Texas Instruments Incorporated
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