MPC875 datasheet(65/84 Pages) FREESCALE

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MPC875/MPC870 Hardware Specifications, Rev. 3.0

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Freescale Semiconductor

CPM Electrical Characteristics

Figure 62. SPI Slave (CP = 1) Timing Diagram

13.11I2C AC Electrical Specifications

Table 28 provides the I2C (SCL < 100 KHz) timings.

Table 28. I2C Timing (SCL < 100 KHZ)

Num

Characteristic

All

Frequencies

Unit

Min

Max

200

SCL clock frequency (slave)

100

KHz

200

SCL clock frequency (master) 1

1.5

100

KHz

202

Bus free time between transmissions

4.7

—

µs

203

Low period of SCL

4.7

—

µs

204

High period of SCL

4.0

—

µs

205

Start condition setup time

4.7

—

µs

206

Start condition hold time

4.0

—

µs

207

Data hold time

—

µs

208

Data setup time

250

—

209

SDL/SCL rise time

—

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

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