KMPC8315CVRAGDA datasheet(68/106 Pages) FREESCALE

68 / 106 page

MPC8315E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

Serial ATA (SATA)

NOTE

The allowance of the measurement point to be within 0.2 inches of the

package pins is meant to acknowledge that package/board routing may

benefit from D+ and D– not being exactly matched in length at the package

pin boundary.

Figure 52. Compliance Test/Measurement Load

17 Serial ATA (SATA)

The serial ATA (SATA) of the MPC8315E is designed to comply with Serial ATA 2.5 Specification. Note

that the external cabled applications or long backplane applications (Gen1x & Gen2x) are not supported.

17.1

Requirements for SATA REF_CLK

The reference clock for MPC8315E is a single ended input clock required for the SATA Interface

operation. The AC requirements for the SATA reference clock are listed in the this table.

Table 56. Reference Clock Input Requirements

Parameter

Symbol

Conditions

Min

Typical

Max

Unit

Note

Frequency range

tCLK_REF

—

150

MHz

Clock frequency tolerance

tCLK_TOL

—

-350

+350

ppm

—

Input High Voltage

VCLK_INHI

—2.0

—

Input Low Voltage

VCLK_INLo

——

—

0.7

—

Reference clock rise and fall time

tCLK_RISE/

tCLK_FALL

20% to 80% of

nominal amplitude

——

—

Reference clock duty cycle

tCLK_DUTY

Measured at 1.6V

—

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