P89LPC938 NXP Semiconductors, P89LPC938 Datasheet - Page 58

• Manufacturer Part Number: P89LPC938
• Description: The P89LPC938 is a single-chip microcontroller, available in low cost packages, based ona high performance processor architecture that executes instructions in two to four clocks,six times the rate of standard 80C51 devices
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14051
Product data sheet
Fig 24. SPI master timing (CPHA = ‘0’).
Fig 25. SPI master timing (CPHA = ‘1’).
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
SPICLK
SPICLK
SPICLK
SPICLK
(output)
(output)
(output)
(output)
(output)
(output)
(input)
(input)
MISO
MOSI
MISO
MOSI
SS
SS
t
SPIF
t
SPIF
t
t
SPIF
t
t
SPIF
SPIDSU
SPIDSU
master MSB/LSB out
master MSB/LSB out
MSB/LSB in
MSB/LSB in
t
SPIDV
t
SPIDV
t
Rev. 01 — 25 February 2005
t
t
t
t
SPIDH
t
SPICLKL
SPICLKH
SPICLKH
SPICLKL
SPIDH
t
t
SPIF
SPIF
t
SPICYC
t
SPICYC
t
t
t
t
SPICLKH
SPICLKL
SPICLKH
SPICLKL
t
t
SPIR
SPIR
t
t
SPIOH
SPIOH
8-bit microcontroller with 10-bit A/D converter
t
SPIR
t
SPIR
master LSB/MSB out
master LSB/MSB out
LSB/MSB in
LSB/MSB in
t
SPIDV
t
SPIDV
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
P89LPC938
002aaa909
002aaa908
t
SPIR
t
t
SPIR
SPIDV
58 of 68