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參數(shù)資料
| 型號： | AC164140 |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 12/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT MCP79410 RTCC DAUGHTER BOARD |
| 標準包裝： | 1 |
| 系列： | PICtail™ Plus |
| 主要目的： | 計時，實時時鐘（RTC） |
| 已用 IC / 零件： | MCP79410 |
| 主要屬性： | For Use With Explorer 16，PICDEM PIC18 Explorer，XLP DEV Board，PICkit Serial Analyzer |
| 已供物品： | 板，電池，文檔 |
| 相關(guān)產(chǎn)品： | MCP79410T-I/SN-ND - IC RTC/CALENDAR EEPROM 8SOIC MCP79410T-I/MS-ND - IC RTC/CALENDAR EEPROM 8MSOP MCP79410T-I/ST-ND - IC RTC/CALENDAR EEPROM 8TSSOP MCP79410T-I/MNYDKR-ND - IC RTC/CALENDAR EEPROM 8TDFN MCP79410T-I/MNYCT-ND - IC RTC/CALENDAR EEPROM 8TDFN MCP79410T-I/MNYTR-ND - IC RTC/CALENDAR EEPROM 8TDFN MCP79410-I/ST-ND - IC RTC ALARM NVSRAM 8TSSOP MCP79410-I/SN-ND - IC RTC ALARM NVSRAM 8SOIC MCP79410-I/MS-ND - IC RTC ALARM NVSRAM 8MSOP |
SY87702L
7
Micrel, Inc.
M9999-072706
hbwhelp@micrel.com or (408) 955-1690
VCOSEL1
VCOSEL2
FREQSEL1
FREQSEL2
FREQSEL3
Range (Mbps)
00000
2488 (OC48)
00001
1244
00010
622 (OC12)
00100
311
00110
155 (OC3)
01000
1800–2500
01001
900–1250(1)
10000
1250–1800
11000
650–1300(2)
11001
325–650(3)
11010
163–325
11011
109–216
11100
82–162
11101
55–108
11110
41–81
11111
28–54
Table 4.(4)
DESCRIPTION
General
The SY87702L is a complete clock and data recovery
circuit, capable of dealing with NRZ data rates from 28Mbps
through to 2.5Gbps. A reference PLL is used as a frequency
synthesizer, both to multiply a clock to the desired transmit
rate, and to train the recovery PLL in preparation for actual
data recovery.
VCO Selection
SY87702L has four complete VCO circuits. Depending
of the application and the frequency range, any one of
these four perform data recovery.
As indicated by the VCO selection table, there are three
general purpose VCOs, covering one of three frequency
ranges. However, to extend the range of the device, the
output of the VCO may be divided down.
In the case of the two highest frequency VCO, this divisor
is always set to 1. For the lowest frequency VCO, the
FREQSEL pins select which divisor, and hence, which range
of frequencies the VCO will work over.
In addition, for SONET/SDH applications, there is a narrow
band, extremely low jitter PLL. It also uses the FREQSEL
divisor to choose the correct SONET/SDH frequency.
The various combinations of FREQSEL and VCOSEL
are not arbitrary, but are limited to the subset shown in
Table 4, where the range column indicates frequency in
Mbps.
NOTES:
1. Suggested range for Fibre Channel applications.
2. REFCLK multiplier of 2 is not allowed in this range.
3. REFCLK multiplier of 1 is not allowed in this range.
4. Combinations of VCOSEL and FREQSEL other then those in this table result in undefined behavior, and should not be
used.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AC164140 | 制造商:Microchip Technology Inc 功能描述:MCP79410 RTCC PICTAIL PLUS DAU 制造商:Microchip Technology Inc 功能描述:MCP79410 RTCC PICTAIL PLUS DAUGHTER BOAR |
| AC164141 | 功能描述:子卡和OEM板 SMART CARD PICTAIL DAUGHTER BRD RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164142 | 功能描述:子卡和OEM板 BPSK 7.2kbps PLM PICtail+Daughter Brd RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164143 | 功能描述:子卡和OEM板 PICtail/PICtail Plus Daughter Board RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| AC164143-1 | 功能描述:DAUGHTER BD MRF24J40ME PICTAIL/+ 制造商:microchip technology 系列:PICtail?? Plus 零件狀態(tài):有效 類型:收發(fā)器; 802.15.4（ZigBee?） 頻率:2.4GHz 配套使用產(chǎn)品/相關(guān)產(chǎn)品:MRF24J40 所含物品:板 標準包裝:1 |
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