MC68HC908GR8ACFA Просмотр технического описания (PDF) - Freescale Semiconductor

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MC68HC908GR8ACFA

M68HC08 Microcontrollers

Freescale Semiconductor 

Electrical Specifications

19.14 3.0 V SPI Characteristics

Diagram

Number(1)

Characteristic(2)

Symbol

Min

Max

Operating frequency

Master

Slave

Cycle time

1

Master

Slave

2

Enable lead time

3

Enable lag time

Clock (SPSCK) high time

4

Master

Slave

Clock (SPSCK) low time

5

Master

Slave

Data setup time (inputs)

6

Master

Slave

Data hold time (inputs)

7

Master

Slave

Access time, slave(3)

8

CPHA = 0

CPHA = 1

9

Disable time, slave(4)

Data valid time, after enable edge

10

Master

Slave(5)

Data hold time, outputs, after enable edge

11

Master

Slave

fOP(M)

fOP(S)

tCYC(M)

tCYC(S)

tLead(s)

tLag(s)

tSCKH(M)

tSCKH(S)

tSCKL(M)

tSCKL(S)

tSU(M)

tSU(S)

tH(M)

tH(S)

tA(CP0)

tA(CP1)

tDIS(S)

tV(M)

tV(S)

tHO(M)

tHO(S)

fOP/128

DC

2

1

1

1

fOP/2

fOP

128

—

—

—

tcyc –35

1/2 tcyc –35

tcyc –35

1/2 tcyc –35

40

40

64 tcyc

—

±

64 tcyc

—

—

—

40

—

40

—

0

50

0

50

—

50

—

60

—

60

0

—

0

—

1. Numbers refer to dimensions in Figure 19-16 and Figure 19-17.

2. All timing is shown with respect to 20% VDD and 70% VDD, unless noted; 100 pF load on all SPI pins.

3. Time to data active from high-impedance state

4. Hold time to high-impedance state

5. With 100 pF on all SPI pins

Unit

MHz

MHz

tcyc

tcyc

tcyc

tcyc

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5

244

Freescale Semiconductor

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