© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
User manual Rev. 02 — 23 May 2005 86 of 133
Philips Semiconductors UM10109
P89LPC932A1 User manual
Table 76: SPI Data register (SPDAT - address E3h) bit allocation
Bit 7 6 5 4 3 2 1 0
Symbol MSB LSB
Reset00000000
Fig 38. SPI single master single slave configuration.
Fig 39. SPI dual device configuration, where either can be a master or a slave.
002aaa901
master slave
8-BIT SHIFT
REGISTER
SPI CLOCK
GENERATOR
8-BIT SHIFT
REGISTER
MISO
MOSI
SPICLK
PORT
MISO
MOSI
SPICLK
SS
002aaa90
2
master slave
8-BIT SHIFT
REGISTER
SPI CLOCK
GENERATOR
SPI CLOCK
GENERATOR
8-BIT SHIFT
REGISTER
MISO
MOSI
SPICLK
MISO
MOSI
SPICLK
SS
SS