MB89913 datasheet(35/53 Pages) FUJITSU

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MB89910 Series

(6) Serial I/O Timing

(AVR = VCC = +5.0 V

±10%, AVSS = VSS= 0.0 V, TA = –40

°C to +85°C)

* : For information on tinst, see “(4) Instruction Cycle.”

Parameter

Symbol

Pin name

Condition

Value

Unit

Remarks

Min.

Max.

Serial clock cycle time

tSCYC

SCK

Internal shift

clock mode

2 tinst*—

µs

SCK

↓ → SO time

tSLOV

SCK, SO

–200

200

Valid SI

→ SCK ↑

tIVSH

SI, SCK

1/2 tinst*—

µs

SCK

↑ → valid SI hold time

tSHIX

SCK, SI

1/2 tinst*—

µs

Serial clock “H” pulse width

tSHSL

SCK

External shift

clock mode

1 tinst*—

µs

Serial clock “L” pulse width

tSLSH

SCK

1 tinst*—

µs

SCK

↓ → SO time

tSLOV

SCK, SO

200

Valid SI

→ SCK ↑

tIVSH

SI, SCK

1/2 tinst*—

µs

SCK

↑ → valid SI hold time

tSHIX

SCK, SI

1/2 tinst*—

µs

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