MPC855T datasheet(61/80 Pages) FREESCALE

61 / 80 page

MPC860 Family Hardware Specifications, Rev. 7

Freescale Semiconductor

CPM Electrical Characteristics

11.9 SMC Transparent AC Electrical Specifications

Table 23 provides the SMC transparent timings as shown in Figure 63.

Figure 63. SMC Transparent Timing Diagram

11.10SPI Master AC Electrical Specifications

Table 24 provides the SPI master timings as shown in Figure 64 and Figure 65.

Table 23. SMC Transparent Timing

Num

Characteristic

All Frequencies

Unit

Min

Max

150

SMCLK clock period 1

SYNCCLK must be at least twice as fast as SMCLK.

100

—

151

SMCLK width low

—

151A

SMCLK width high

—

152

SMCLK rise/fall time

—

153

SMTXD active delay (from SMCLK falling edge)

154

SMRXD/SMSYNC setup time

—

155

RXD1/SMSYNC hold time

—

SMCLK

SMRXD

(Input)

152

150

SMTXD

(Output)

152

151

SMSYNC

151

154

153

155

154

155

NOTE

NOTE:

This delay is equal to an integer number of character-length clocks.

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