MPC862P datasheet(46/88 Pages) FREESCALE

46 / 88 page

MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3

Freescale Semiconductor

CPM Electrical Characteristics

11 CPM Electrical Characteristics

This section provides the AC and DC electrical specifications for the communications processor module

(CPM) of the MPC862/857T/857DSL.

11.1

PIP/PIO AC Electrical Specifications

Table 14 provides the PIP/PIO AC timings as shown in Figure 40 though Figure 44.

Figure 40. PIP Rx (Interlock Mode) Timing Diagram

Table 14. PIP/PIO Timing

Num

Characteristic

All Frequencies

Unit

Min

Max

Data-in setup time to STBI low

—

Data-in hold time to STBI high

2.5 – t3 1

t3 = Specification 23

—clk

STBI pulse width

1.5

—

clk

STBO pulse width

1 clk – 5 ns

—

Data-out setup time to STBO low

—

clk

Data-out hold time from STBO high

—

clk

STBI low to STBO low (Rx interlock)

—

clk

STBI low to STBO high (Tx interlock)

—

clk

Data-in setup time to clock high

—

Data-in hold time from clock high

7.5

—

Clock low to data-out valid (CPU writes data, control, or direction)

—

DATA-IN

STBI

STBO

MPC862P Datasheet(PDF) 46 Page - Freescale Semiconductor, Inc

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