MPC850 datasheet(61/72 Pages) FREESCALE

Part #	MPC850

Description	PowerQUICC™ Integrated Communications Processor Hardware Specifications

PDF	72 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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MPC850 PowerQUICC™ Integrated Communications Processor Hardware Specifications, Rev. 2

Freescale Semiconductor

CPM Electrical Characteristics

Figure 60. SPI Slave (CP = 1) Timing Diagram

8.11

I2C AC Electrical Specifications

Table 24 provides the I2C (SCL < 100 KHz) timings.

Table 24. I2C Timing (SCL < 100 KHZ)

Num

Characteristic

All Frequencies

Unit

Min

Max

200

SCL clock frequency (slave)

0.00

100.00

KHz

200

SCL clock frequency (master) 1

1.50

100.00

KHz

202

Bus free time between transmissions

4.70

—

µs

203

Low period of SCL

4.70

—

µs

204

High period of SCL

4.00

—

µs

205

Start condition setup time

4.70

—

µs

206

Start condition hold time

4.00

—

µs

207

Data hold time

0.00

—

µs

208

Data setup time

250.00

—

209

SDL/SCL rise time

—

1.00

µs

SPIMOSI

(Input)

SPICLK

(CI=0)

(Input)

SPICLK

(CI=1)

(Input)

SPIMISO

(Output)

180

Data

181

182

msb

lsb

181

177

182

175

179

SPISEL

(Input)

174

Data

msb

lsb

Undef

178

176

182

msb

172

173

171

170

181

MPC850 Datasheet(PDF) 61 Page - Freescale Semiconductor, Inc

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