P89LPC970FDH datasheet(55/66 Pages) NXP

Part #	P89LPC970FDH

Description	8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB wide-voltage byte-erasable flash

PDF	66 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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55 / 66 page

P89LPC97X_2

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Product data sheet

Rev. 02 — 27 April 2010

55 of 66

NXP Semiconductors

P89LPC970/971/972

8-bit microcontroller with accelerated two-clock 80C51 core

10.1 Waveforms

Fig 17. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)

tCHCL

tCLCX

tCHCX

Tcy(clk)

tCLCH

002aaa907

Fig 18. Shift register mode timing

valid

TXLXL

002aaa906

set TI

set RI

tXHQX

tQVXH

tXHDV

tXHDX

clock

output data

write to SBUF

input data

clear RI

Fig 19. SPI master timing (CPHA = 0)

TSPICYC

tSPICLKH

tSPICLKL

master LSB/MSB out

master MSB/LSB out

tSPIDH

tSPIDSU

tSPIF

tSPIOH

tSPIDV

tSPIR

tSPIDV

tSPIF

tSPIR

tSPIF

tSPIR

SPICLK

(CPOL = 0)

(output)

002aaa908

SPICLK

(CPOL = 1)

(output)

MISO

(input)

MOSI

(output)

LSB/MSB in

MSB/LSB in

P89LPC970FDH Datasheet(PDF) 55 Page - NXP Semiconductors

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