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SL28PCIe25ALIT Arkusz danych(PDF) 2 Page - Silicon Laboratories |
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SL28PCIe25ALIT Arkusz danych(HTML) 2 Page - Silicon Laboratories |
2 / 17 page SL28PCIe25 DOC#: SP-AP-0776 (Rev. 0.2) Page 2 of 16 32-QFN Pin Definitions EProClock® Programmable Technology EProClock® is the world’s first non-volatile programmable clock. The EProClock® technology allows board designer to promptly achieve optimum compliance and clock signal integrity; historically, attainable typically through device and/or board redesigns. EProClock® technology can be configured through SMBus or hard coded. Features: - > 4000 bits of configurations - Can be configured through SMBus or hard coded - Custom frequency sets - Differential skew control on true or compliment or both - Differential duty cycle control on true or compliment or both - Differential amplitude control - Differential and single-ended slew rate control - Program Internal or External series resistor on single-ended clocks - Program different spread profiles and modulation rates Serial Data Interface To enhance the flexibility and function of the clock synthesizer, a two-signal serial interface is provided. Through the Serial Pin No. Name Type Description 1 VDD PWR 3.3V Power Supply 2 VSS GND Ground 3 NC NC No Connect. 4 NC NC No Connect. 5 VDD PWR 3.3V Power Supply 6 NC NC No Connect. 7 NC NC No Connect. 8 VSS GND Ground 9 VSS GND Ground 10 SRC0 O, DIF 100MHz True differential serial reference clock 11 SRC0# O, DIF 100MHz Complement differential serial reference clock 12 VSS GND Ground 13 SRC1 O, DIF 100MHz True differential serial reference clock 14 SRC1# O, DIF 100MHz Complement differential serial reference clock 15 VDD PWR 3.3V Power Supply 16 NC NC No Connect. 17 VDD PWR 3.3V Power Supply 18 VDD PWR 3.3V Power Supply 19 SRC2# O, DIF 100MHz Complement differential serial reference clock 20 SRC2 O, DIF 100MHz True differential serial reference clock 21 VSS GND Ground 22 SRC3# O, DIF 100MHz Complement differential serial reference clock 23 SRC3 O, DIF 100MHz True differential serial reference clock 24 VDD PWR 3.3V Power Supply 25 CKPWRGD/PD# I 3.3V LVTTL input pin. When PD# is asserted low, the device will power down. 26 VSS GND Ground 27 XOUT O, SE 25MHz Crystal output, Float XOUT if using CLKIN (Clock Input) 28 XIN/CLKIN I 25MHz Crystal input or 3.3V, 25MHz Clock input 29 VDD PWR 3.3V Power Supply 30 REF O 3.3V, 25MHz clock output. 31 SDATA I/O SMBus compatible SDATA 32 SCLK I SMBus compatible SCLOCK |
Podobny numer części - SL28PCIe25ALIT |
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Podobny opis - SL28PCIe25ALIT |
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