Maxim-integrated DS80C390 Instrukcja Użytkownika Pobierz pdf (Strona 53)

DS80C390

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SERIAL PORT MODE 0 TIMING CHARACTERISTICS

PARAMETER SYMBOL TYPICAL UNITS

Serial port clock cycle time

SM2=0:2 clocks per cycle

SM2=1:4 clocks per cycle

t

XLXL

12 t

CLCL

4 t

CLCL

ns

ns

Output data setup to clock rising

SM2=0:12 clocks per cycle

SM2=1:4 clocks per cycle

t

QVXH

10 t

CLCL

3 t

CLCL

ns

ns

Output data hold from clock rising

M2=0:12 clocks per cycle

SM2=1:4 clocks per cycle

t

XHQX

2 t

CLCL

t

CLCL

ns

ns

Input data hold after clock rising

SM2=0:12 clocks per cycle

SM2=1:4 clocks per cycle

t

XHDX

t

CLCL

t

CLCL

ns

ns

Clock rising edge to input data valid

SM2=0:12 clocks per cycle

SM2=1:4 clocks per cycle

t

XHDV

11 t

CLCL

3 t

CLCL

ns

ns

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