MPC855T datasheet(65/77 Pages) NXP

Part #	MPC855T

Description	MPC860 PowerQUICC Family Hardware Specifications

PDF	77 Pages

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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MPC860 PowerQUICC Family Hardware Specifications, Rev. 10

Freescale Semiconductor

UTOPIA AC Electrical Specifications

Figure 69 shows the I2C bus timing.

Figure 69. I2C Bus Timing Diagram

12 UTOPIA AC Electrical Specifications

Table 28 shows the AC electrical specifications for the UTOPIA interface.

Table 28. UTOPIA AC Electrical Specifications

Num

Signal Characteristic

Direction

Min

Max

Unit

UtpClk rise/fall time (Internal clock option)

Output

—

3.5

Duty cycle

Frequency

—50

MHz

U1a

UtpClk rise/fall time (external clock option)

Input

—

3.5

Duty cycle

Frequency

—50

MHz

RxEnb and TxEnb active delay

Output

UTPB, SOC, Rxclav and Txclav setup time

Input

—

UTPB, SOC, Rxclav and Txclav hold time

Input

—

UTPB, SOC active delay (and PHREQ and PHSEL active delay in

MPHY mode)

Output

SCL

202

205

203

207

204

208

206

209

211

210

SDA

MPC855T Datasheet(PDF) 65 Page - NXP Semiconductors

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