p89lpc9171fdh NXP Semiconductors, p89lpc9171fdh Datasheet - Page 79

• Manufacturer Part Number: p89lpc9171fdh
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core, 2 Kb 3 V Byte-erasable Flash With 8-bit Adc
• Manufacturer: NXP Semiconductors

NXP Semiconductors
P89LPC9151_61_71_2
Product data sheet
Fig 38. External clock timing (with an amplitude of at least V
Fig 39. Shift register mode timing
Fig 40. SPI master timing (CPHA = 0)
write to SBUF
output data
input data
(CPOL = 0)
(CPOL = 1)
clear RI
11.1 Waveforms
SPICLK
SPICLK
(output)
(output)
(output)
clock
(input)
MISO
MOSI
SS
t
QVXH
t
XHDV
t
SPIF
valid
T
0
XLXL
t
SPIF
t
SPIDSU
master MSB/LSB out
t
XHDX
t
XHQX
MSB/LSB in
valid
1
t
SPIDV
t
CHCL
t
t
Rev. 02 — 9 February 2010
t
SPICLKH
SPICLKL
SPIDH
t
SPIF
valid
2
T
SPICYC
t
t
SPICLKH
SPICLKL
t
CLCX
t
SPIR
valid
3
t
SPIOH
i(RMS)
P89LPC9151/9161/9171
T
cy(clk)
t
= 200 mV)
SPIR
valid
4
t
CLCH
t
CHCX
master LSB/MSB out
8-bit microcontroller with 8-bit ADC
valid
LSB/MSB in
5
t
SPIDV
002aaa907
valid
6
002aaa908
valid
set TI
set RI
© NXP B.V. 2010. All rights reserved.
7
t
SPIR
002aaa906
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