mpc8568e Freescale Semiconductor, Inc, mpc8568e Datasheet - Page 65

• Manufacturer Part Number: mpc8568e
• Description: Mpc8568e Powerquicc Iii Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
SD_REF_CLK
SD_REF_CLK
SD_REF_CLK
SD_REF_CLK
Figure 41. Differential Reference Clock Input DC Requirements (External DC-Coupled)
Figure 42. Differential Reference Clock Input DC Requirements (External AC-Coupled)
MPC8568E/MPC8567E PowerQUICC III™ Integrated Processor Hardware Specifications, Rev. 0
or AC-coupled into the unused phase (SD_REF_CLK) through the same source impedance as
the clock input (SD_REF_CLK) in use.
SD_REF_CLK
SD_REF_CLK
Figure 43. Single-Ended Reference Clock Input DC Requirements
200 mV
200 mV
400 mV
<
<
Input Amplitude or Differential Peak
Input Amplitude or Differential Peak
<
SD_REF_CLK Input Amplitude
<
< 8
<
800 mV
00 mV
800 mV
High-Speed Serial Interfaces (HSSI)
100 mV
Vmin
Vmax
0 V
>
<
<
Vcm
Vcm
Vcm
Vmax
Vmin
−
+
<
400 mV
<
>
400 mV
Vcm
400 mV
800 mV
0 V
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