DSP56374UMSLASHD datasheet(41/64 Pages) FREESCALE

Part #	DSP56374UM/D

Description	a high-density CMOS device

PDF	64 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Serial Host Interface (SHI) I2C Protocol Timing

DSP56374 Data Sheet, Rev. 4.2

Freescale Semiconductor

Figure 10. SPI Slave Timing (CPHA = 1)

Serial Host Interface (SHI) I2C Protocol Timing

Table 22. SHI I2C Protocol Timing

Standard I2C

No.

Characteristics1,2,3,4,5

Symbol/

Expression

Standard

Fast-Mode

Unit

Min

Max

Min

Max

Tolerable Spike Width on SCL or SDA

Filters Bypassed

Very Narrow Filters enabled

Narrow Filters enabled

Wide Fileters enabled.

—

100

—

100

SCL clock frequency

FSCL

—

100

—

400

kHz

SCL clock cycle

TSCL

—

2.5

—

µs

Bus free time

TBUF

4.7

—

1.3

—

µs

Start condition set-up time

TSUSTA

4.7

—

0.6

—

µs

(Input)

SCK (CPOL = 0)

(Input)

SCK (CPOL = 1)

(Input)

MISO

(Output)

MOSI

(Input)

MSB

LSB

MSB

LSB

HREQ

(Output)

Valid

DSP56374UM/D Datasheet(PDF) 41 Page - Freescale Semiconductor, Inc

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