MC9S08JS16CFK datasheet(22/32 Pages) FREESCALE

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MC9S08JS16 Series MCU Data Sheet, Rev. 4

Electrical Characteristics

Freescale Semiconductor

Table 11. SPI Electrical Characteristic

Num1

1 Refer to Figure 18 through Figure 21.

Characteristic2

2 All timing is shown with respect to 20% V

DD and 80% VDD, unless noted; 50 pF load on all SPI pins. All timing assumes slew

rate control disabled and high drive strength enabled for SPI output pins.

Symbol

Min

Typical

Max

Unit

Operating frequency3

Master

Slave

3 The maximum frequency is 8 MHz when input filter on SPI pins is disabled.

fop

fBus/2048DC

—

fBus/2

fBus/4

Cycle time

Master

Slave

tSCK

—

2048

—

tcyc

Enable lead time

Master

Slave

tLead

—

1/2

—

tSCK

Enable lag time

Master

Slave

tLag

—

1/2

—

tSCK

Clock (SPSCK) high time

Master

Slave

tSCKH

—

1/2 tSCK – 25

1/2 tSCK

—

Clock (SPSCK) low time

Master

Slave

tSCKL

—

1/2 tSCK – 25

1/2 tSCK

—

Data setup time (inputs)

Master

Slave

tSI(M)

tSI(S)

—

Data hold time (inputs)

Master

Slave

tHI(M)

tHI(S)

—

Access time, slave4

4 Time to data active from high-impedance state.

——

Disable time, slave5

5 Hold time to high-impedance state.

tdis

——

Data setup time (outputs)

Master

Slave

tSO

—

Data hold time (outputs)

Master

Slave

tHO

–10

—

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