P89V51RB2_09 Datasheet, PDF (71/80 Pages) NXP Semiconductors – 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM

NXP Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
SS
SPICLK
(CPOL = 0)
(input)
SPICLK
(CPOL = 1)
(input)
t_SPIA
MISO
(output)
t_SPIF
t_SPILEAD
T_SPICYC
t_SPIF
t_SPICLKH
t_SPICLKL
t_SPIR
t_SPIF
t_SPICLKL
t_SPIR
t_SPICLKH
t_SPIOH
t_SPIDV
slave MSB/LSB out
t_SPIOH
t_SPIDV
t_SPILAG
t_SPIR
t_SPIOH
t_SPIDIS
slave LSB/MSB out not defined
MOSI
(input)
t_SPIDSU t_SPIDH
MSB/LSB in
t_SPIDSU
Fig 38. SPI slave timing (CPHA = 0)
t_SPIDSU t_SPIDH
LSB/MSB in
002aaa910
SS
SPICLK
(CPOL = 0)
(input)
SPICLK
(CPOL = 1)
(input)
t_SPIA
MISO
(output)
t_SPIF
t_SPILEAD
T_SPICYC
t_SPIF
t_SPICLKH
t_SPICLKL
t_SPIR
t_SPIF
t_SPICLKL
t_SPIR
t_SPICLKH
t_SPIOH
t_SPIDV
not defined
t_SPIOH
t_SPIDV
slave MSB/LSB out
t_SPIOH
t_SPIDV
t_SPILAG
t_SPIR
slave LSB/MSB out
t_SPIDIS
MOSI
(input)
t_SPIDSU t_SPIDH
MSB/LSB in
Fig 39. SPI slave timing (CPHA = 1)
P89V51RB2_RC2_RD2_5
Product data sheet
Rev. 05 — 12 November 2009
t_SPIDSU t_SPIDH
LSB/MSB in
002aaa911
© NXP B.V. 2009. All rights reserved.
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