P89LPC932A1 查看數據表（PDF） - NXP Semiconductors.

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P89LPC932A1

8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 512-byte data EEPROM

NXP Semiconductors. 

NXP Semiconductors

P89LPC932A1

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

10.1 Waveforms

TXLXL

clock

tQVXH

tXHQX

output data

0

1

2

3

4

5

6

7

write to SBUF

input data

tXHDV

tXHDX

set TI

valid

valid

valid

valid

valid

valid

valid

valid

clear RI

set RI

002aaa906

Fig 22. Shift register mode timing

VDD − 0.5 V

0.45 V

0.2VDD + 0.9 V

0.2VDD − 0.1 V

tCHCL

tCLCX

tCHCX

tCLCH

Tcy(clk)

Fig 23. External clock timing

002aaa907

SS

SPICLK

(CPOL = 0)

(output)

SPICLK

(CPOL = 1)

(output)

MISO

(input)

MOSI

(output)

TSPICYC

tSPIF

tSPICLKH

tSPICLKL

tSPIR

tSPIF

tSPICLKL

tSPIR

tSPICLKH

tSPIF

tSPIDSU tSPIDH

MSB/LSB in

tSPIDV

master MSB/LSB out

tSPIOH

Fig 24. SPI master timing (CPHA = 0)

P89LPC932A1_3

Product data sheet

Rev. 03 — 12 March 2007

LSB/MSB in

tSPIDV

tSPIR

master LSB/MSB out

002aaa908

© NXP B.V. 2007. All rights reserved.

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