Rainbow-electronics AT89LP214 Manual de usuario descargar pdf (Pagina 42)

42

3538A–MICRO–7/06

AT89LP213/214 [Preliminary]

Figure 17-1. Serial Port Mode 0

INTERNAL BUS

1/2 f

osc

INTERNAL BUS

TXD (SHIFT CLOCK)

RXD (DATA OUT)

TXD (SHIFT CLOCK)

RXD (DATA IN)

WRITE TO SBUF

SEND

SHIFT

TI

WRITE TO SCON (CLEAR RI)

SHIFT

RECEIVE

RI

“1“

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