LD83C51FB-2 查看數據表（PDF） - Intel

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LD83C51FB-2

CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS

Intel 

8XC51FX

SERIAL PORT TIMINGÐSHIFT REGISTER MODE

Test Conditions: Over Operating Conditions; Load Capacitance e 80 pF

Symbol Parameter

12 MHz

24 MHz

Oscillator

33 MHz

Variable

Units

Min Max Min Max Min Max Min

Max

TXLXL Serial Port

1

0.50

0.36

12TCLCL

ms

Clock

Cycle Time

TQVXH Output Data

700

284

167

10TCLCLb133

ns

Setup to Clock

Rising Edge

TXHQX Output Data

Hold After Clock

Rising Edge

8XC51FX

50

2TCLCLb117

ns

8XC51FX-24/33

34

10

2TCLCLb50

ns

TXHDX Input Data Hold 0

0

0

0

ns

After Clock

Rising Edge

TXHDV Clock Rising

Edge to Input

Data Valid

700

283

167

10TCLCLb133 ns

SHIFT REGISTER MODE TIMING WAVEFORMS

272322 ±12

14

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