p89v51rb2 NXP Semiconductors, p89v51rb2 Datasheet - Page 70

• Manufacturer Part Number: p89v51rb2
• Description: 8-bit 80c51 5 V Low Power 16/32/64 Kb Flash Microcontroller With 1 Kb Ram
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89V51RB2_RC2_RD2_4
Product data sheet
Fig 36. SPI master timing (CPHA = 0)
Fig 37. 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
t
t
t
t
SPIDH
t
SPICLKL
SPICLKH
SPICLKH
SPICLKL
SPIDH
t
t
SPIF
SPIF
Rev. 04 — 1 May 2007
T
T
SPICYC
SPICYC
t
t
t
t
SPICLKH
SPICLKL
SPICLKH
SPICLKL
t
t
SPIR
SPIR
t
t
SPIOH
SPIOH
t
SPIR
t
SPIR
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
master LSB/MSB out
master LSB/MSB out
LSB/MSB in
LSB/MSB in
t
SPIDV
t
SPIDV
002aaa909
002aaa908
© NXP B.V. 2007. All rights reserved.
t
SPIR
t
t
SPIR
SPIDV
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