mpc8314e Freescale Semiconductor, Inc, mpc8314e Datasheet - Page 55

• Manufacturer Part Number: mpc8314e
• Description: Powerquicc Ii Pro Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

15.2.3
With on-chip termination to XCOREVSS, the differential reference clocks inputs are HCSL (High-Speed
Current Steering Logic) compatible DC-coupled.
Freescale Semiconductor
SD_REF_CLK
SD_REF_CLK
SD_REF_CLK
SD_REF_CLK
Figure 39. Differential Reference Clock Input DC Requirements (External DC-Coupled)
Figure 40. Differential Reference Clock Input DC Requirements (External AC-Coupled)
or AC-coupled into the unused phase (SD_REF_CLK) through the same source impedance as
the clock input (SD_REF_CLK) in use.
Interfacing With Other Differential Signaling Levels
SD_REF_CLK
SD_REF_CLK
MPC8314E PowerQUICC
Figure 41. Single-Ended Reference Clock Input DC Requirements
200 mV < Input Amplitude or Differential Peak < 800 mV
200 mV < Input Amplitude or Differential Peak < 800 mV
400 mV < SD_REF_CLK Input Amplitude < 800 mV
™
II Pro Processor Hardware Specifications, Rev. 0
High-Speed Serial Interfaces (HSSI)
100 mV < Vcm < 400 mV
Vmin > Vcm – 400 mV
Vmax < Vcm + 400 mV
0 V
Vmax < 800 mV
Vmin > 0 V
Vcm
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