Rainbow-electronics AT89LP214 Manual de usuario descargar pdf (Pagina 79)

3538A–MICRO–7/06

AT89LP213/214 [Preliminary]

Figure 24-4. SPI Slave Timing (CPHA = 1)

24.4 External Clock Drive

Figure 24-5. External Clock Drive Waveform

SCK

(CPOL = 0)

SCK

(CPOL = 1)

MISO

MOSI

SCK

SSE

SHSL

SLSH

SSD

SIH

SIS

SOE

SOV

SOH

SOX

Symbol Parameter

= 2.4V to 5.5V

UnitsMin Max

1/t

CLCL

Oscillator Frequency 0 20 MHz

CLCL

Clock Period 50 ns

CHCX

High Time 12 ns

CLCX

Low Time 12 ns

CLCH

Rise Time 5 ns

CHCL

Fall Time 5ns

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 89 90

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Rainbow-electronics AT89LP214 Manual de usuario Pagina 79