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IBM3229P2035 参数 Datasheet PDF下载

IBM3229P2035图片预览
型号: IBM3229P2035
PDF下载: 下载PDF文件 查看货源
内容描述: [Packet Routing Switch, CMOS, CBGA360, 25 X 25 MM, CERAMIC, BGA-360]
分类和应用: 电信电信集成电路
文件页数/大小: 154 页 / 1172 K
品牌: IBM [ IBM ]
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IBM3229P2035  
Advance  
IBM Packet Routing Switch Serial Interface Converter  
4.1.1.32 Switch Y PLL Setting Register  
These settings correspond to a VCO setting of 660 MHz. The PLL observe bits will automatically overwrite  
what has been written by the microprocessor.  
Unused  
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  
9
8
7
6
5
4
3
2
1
0
Reset Output Status (Power-on-Reset)  
Address in Word Mode  
Address in Byte Mode  
Access Type  
0800 C000’  
x'94’  
x'94 to 97’  
Read/Write  
Bits /  
Word  
Bits /  
Bytes  
Name  
Description  
Programmable Switch Y PLL multiplier.  
31-28  
7-4  
PLL_SWY_MULT  
0010  
Normal operation, as the reference clock is 55 - 62.5 MHz for a switch byte  
clock of 110 -125 MHz.  
27  
26-24  
23  
3
2-0  
7
PLL_SWY_OBSV  
PLL_SWY_OBSV  
PLL_SWY_OBSV  
PLL_SWY_OBSV  
PLL_SWY_OBSV  
PLL_SWY_OBSV  
Switch Y PLL Observe Reset  
Switch Y PLL Observe: Multiplier bit 3-1.  
Switch Y PLL Observe: Multiplier bit 0  
22-20  
19-17  
16  
6-4  
3-1  
0
Switch Y PLL Observe: buffered version of range B (2-0)  
Switch Y PLL Observe: buffered version of range A (2-0)  
Switch Y PLL Observe Reset (delayed by one clock)  
1
0
Switch Y PLL reset: equivalent to bypass mode  
Normal operation after programming  
15  
14  
7
6
PLL_SWY_RESET  
PLL_SWY_LOCK  
1
0
Switch Y PLL locked  
Switch Y PLL is unlocked  
Programmable Switch Y PLL Tune.  
13-8  
5-0  
PLL_SWY_TUNE  
010011 Normal operation as product of forward and feedback dividers is between  
(6/4)<M<6  
7-6  
5-3  
7-6  
5-3  
Unused  
Programmable Switch Y PLL Range B.  
PLL_SWY_RANGB  
PLL_SWY_RANGA  
101  
Programmable Switch Y PLL Range A.  
010 Normal operation as PLLOUTA frequency is 66 - 134 MHz  
Normal operation as PLLOUTB frequency is 133 - 267 MHz  
2-0  
2-0  
prssi.02.fm  
Converter Configuration Table Registers  
Page 95 of 154  
March 1, 2001