DSP56371 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

DSP56371

DSP56371 is a high density CMOS device

Motorola => Freescale 

Freescale Semiconductor, Inc.

Serial Host Interface SPI Protocol Timing

IRQA, IRQB,

IRQC, IRQD,

NMI

General

Purpose

I/O

IRQA, IRQB,

IRQC, IRQD,

NMI

19

18

a) First Interrupt Instruction Execution

20

b) General Purpose I/O

Figure 5 External Fast Interrupt Timing

10.0 Serial Host Interface SPI Protocol Timing

Table 7 Serial Host Interface SPI Protocol Timing

No.

Characteristics1

23 Minimum serial clock cycle =

tSPICC(min)

24 Serial clock high period

25 Serial clock low period

26 Serial clock rise/fall time

27 SS assertion to first SCK edge

CPHA = 0

CPHA = 1

Mode Expression Min

Master

6×TC+46

79.0

Master

Slave

Master

Slave

Master

Slave

Slave

0.5×tSPICC –10

2.5×TC+12

0.5×tSPICC –10

2.5×TC+12

—

—

3.5×TC+15

29.5

25.8

29.5

25.8

—

—

34.4

Slave

—

10

Max

—

—

—

—

—

10

10

—

—

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

10

DSP56371 Technical Data

MOTOROLA

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