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| P89LPC912 Datasheet, PDF (58/66 Pages) NXP Semiconductors – 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM | |||
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NXP Semiconductors
P89LPC912/913/914
8-bit microcontrollers with two-clock 80C51 core
SS
SPICLK
(CPOL = 0)
(output)
SPICLK
(CPOL = 1)
(output)
MISO
(input)
MOSI
(output)
TSPICYC
tSPIF
tSPICLKL
tSPICLKH
tSPIR
tSPIF
tSPICLKL
tSPIR
tSPICLKH
tSPIF
tSPIDSU tSPIDH
MSB/LSB in
tSPIDV
master MSB/LSB out
tSPIOH
Fig 26. SPI master timing (CPHA = 0)
LSB/MSB in
tSPIDV
tSPIR
master LSB/MSB out
002aaa908
SS
SPICLK
(CPOL = 0)
(output)
SPICLK
(CPOL = 1)
(output)
tSPIF
TSPICYC
tSPICLKL
tSPIR
tSPICLKH
tSPIF
tSPICLKH
tSPICLKL
tSPIR
MISO
(input)
MOSI
(output)
tSPIF
tSPIDSU tSPIDH
MSB/LSB in
tSPIDV
master MSB/LSB out
tSPIOH
Fig 27. SPI master timing (CPHA = 1)
LSB/MSB in
tSPIDV
master LSB/MSB out
tSPIDV
tSPIR
002aaa909
P89LPC912_913_914_5
Product data sheet
Rev. 05 â 28 September 2007
© NXP B.V. 2007. All rights reserved.
58 of 66
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