P87LPC778 datasheet(59/79 Pages) PHILIPS

Part #	P87LPC778

Description	CMOS single-chip 8-bit 80C51 microcontroller 128-byte data RAM, 8 kB OTP

PDF	79 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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59 / 79 page

Philips Semiconductors

P87LPC778

CMOS single-chip 8-bit microcontroller

Product data

Rev. 01 — 31 March 2004

59 of 79

9397 750 12378

Fig 23. Serial port mode 0.

80C51 internal bus

002aaa641

80C51 internal bus

write to

SBUF

ZERO DETECTOR

RxD

P3.0 alt

output

function

TX CONTROL

TX CLOCK

START

serial port

interrupt

SHIFT

CLOCK

SHIFT

SEND

RXD

P3.0 alt

input

function

load

SBUF

INPUT SHIFT REGISTER

START

RECEIVE

SHIFT

TX CLOCK

RX CONTROL

REN

SBUF

read

SBUF

transmit

TxD

P3.1 alt

output

function

send

RXD (data out)

RXD

(data in)

TXD (shift clock)

shift

S1 ... S6

write to

SBUF

receive

TxD (shift clock)

shift

WRITE to SCON

(clear RI)

111

P87LPC778 Datasheet(PDF) 59 Page - NXP Semiconductors

P87LPC778 Datasheet(HTML) 59 Page - NXP Semiconductors

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