P89LPC934 PHILIPS [NXP Semiconductors], P89LPC934 Datasheet - Page 63

• Manufacturer Part Number: P89LPC934
• Description: 8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB 3 V byte-erasable Flash with 8-bit A/D converters
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
9397 750 15113
Product data sheet
Fig 25. Shift register mode timing
Fig 26. SPI master timing (CPHA = 0)
write to SBUF
output data
input data
(CPOL = 0)
(CPOL = 1)
clear RI
12.1 Waveforms
SPICLK
SPICLK
(output)
(output)
(output)
clock
(input)
MISO
MOSI
SS
t
QVXH
t
XHDV
t
SPIF
valid
t
0
XLXL
t
SPIF
t
SPIDSU
master MSB/LSB out
t
XHDX
MSB/LSB in
t
valid
XHQX
1
t
SPIDV
t
t
t
SPICLKH
SPICLKL
SPIDH
t
SPIF
Rev. 06 — 20 June 2005
8-bit microcontroller with accelerated two-clock 80C51 core
valid
2
t
SPICYC
t
t
SPICLKH
SPICLKL
t
SPIR
valid
3
t
SPIOH
P89LPC933/934/935/936
t
SPIR
valid
4
master LSB/MSB out
valid
LSB/MSB in
5
t
SPIDV
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
valid
6
002aaa908
valid
set TI
set RI
7
t
SPIR
002aaa906
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