Philips 8-bit microcontroller with two-clock 80C51 core UM10109 ユーザーズマニュアル
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
User manual
Rev. 02 — 23 May 2005
92 of 133
Philips Semiconductors
UM10109
P89LPC932A1 User manual
(1) Not defined
Fig 43. SPI master transfer format with CPHA = 0.
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8
MSB
LSB
6
1
5
2
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3
4
2
5
1
6
LSB
MSB
MSB
LSB
DORD = 0
DORD = 1
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5
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3
4
2
5
1
6
LSB
MSB
002aaa936
clock cycle
SPICLK (CPOL = 0)
SPICLK (CPOL = 1)
MOSI (input)
MISO (output)
SS (if SSIG bit = 0)
DORD = 0
DORD = 1