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参数资料
型号： MPC92430FN
厂商： MOTOROLA INC
元件分类： 时钟产生/分配
英文描述： 800 MHz, OTHER CLOCK GENERATOR, PQCC28
封装： PLASTIC, LCC-28
文件页数： 9/12页
文件大小： 219K
代理商： MPC92430FN
MPC92430
MOTOROLA
TIMING SOLUTIONS
6
Programming the MPC92430
Programming the MPC92430 amounts to properly
configuring the internal PLL dividers to produce the desired
synthesized frequency at the output. The output frequency
can be represented by this formula:
fOUT =(fXTAL ÷ 16) (2 M) ÷ (N) or
(1)
fOUT =(fXTAL ÷ 8) M ÷ N(2)
where fXTAL is the crystal frequency, M is the PLL
feedback-divider and N is the PLL post-divider. The input
frequency and the selection of the feedback divider M is limited
by the VCO-frequency range. fXTAL and M must be configured
to match the VCO frequency range of 400 to 800 MHz in order
to achieve stable PLL operation:
MMIN =2fVCO,MIN ÷ fXTAL and
(3)
MMAX =2fVCO,MAX ÷ fXTAL
(4)
For instance, the use of a 16 MHz input frequency requires
the configuration of the PLL feedback divider between M=200
and M = 400. Table 8 shows the usable VCO frequency and
M divider range for other example input frequencies.
Assuming that a 16 MHz input frequency is used, equation (2)
reduces to:
fOUT =2 M ÷ N(5)
Table 8. MPC92430 Frequency Operating Range
VCO frequency for an crystal interface frequency of
Output frequency for fXTAL=16 MHz and for N =
M
M[8:0]
10
12
14
16
18
20
1
2
4
8
160
010100000
800
170
010101010
850
180
010110100
810
900
190
010111110
855
950
200
011001000
800
900
1000
400
200
100
50
210
011010010
840
945
1050
420
210
105
52.5
220
011011100
880
990
1100
440
220
110
55
230
011100110
805
920
1035
1150
460
230
115
57.5
240
011110000
840
960
1080
1200
480
240
120
60
250
011111010
875
100
1125
1250
500
250
125
62.5
260
100000100
910
1040
1170
1300
520
260
130
65
270
100001110
810
945
1080
1215
1350
540
270
135
67.5
280
100011000
840
980
1120
1260
1400
560
280
140
70
290
100100010
870
1015
1160
1305
1450
580
290
145
72.5
300
100101100
900
1050
1200
1350
1500
600
300
150
75
310
100110110
930
1085
1240
1395
1550
620
310
155
77.5
320
101000000
800
960
1120
1280
1440
1600
640
320
160
80
330
101001010
825
990
1155
1320
1485
660
330
165
82.5
340
101010100
850
1020
1190
1360
1530
680
340
170
85
350
101011110
875
1050
1225
1400
1575
700
350
175
87.5
370
101110010
925
1110
1295
1480
740
370
185
92.5
380
101111100
950
1140
1330
1520
760
380
190
95
390
110000110
975
1170
1365
1560
780
390
195
97.5
400
110010000
1000
1200
1400
1600
800
400
200
100
410
110011010
1025
1230
1435
420
110100100
1050
1260
1470
430
110101110
1075
1290
1505
440
110111000
1100
1320
1540
450
111000010
1125
1350
1575
510
111111110
1275
1530
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相关代理商/技术参数
参数描述
MPC92432 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:1360 MHz Dual Output LVPECL Clock Synthesizer
MPC92432AE 功能描述:时钟合成器/抖动清除器 FSL 1360MHz Dual Out put LVPECL Clock Syn RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel
MPC92432AER2 功能描述:时钟合成器/抖动清除器 FSL 1360MHz Dual Out put LVPECL Clock Syn RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel
MPC92432FA 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:1360 MHz Dual Output LVPECL Clock Synthesizer
MPC92433 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:1428 MHz Dual Output LVPECL Clock Synthesizer
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