P89LPC9321 NXP Semiconductors, P89LPC9321 Datasheet - Page 58
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P89LPC9321
Manufacturer Part Number
P89LPC9321
Description
The P89LPC9321 is a single-chip microcontroller, available in low cost packages, basedon a high performance processor architecture that executes instructions in two to fourclocks, six times the rate of standard 80C51 devices
Manufacturer
NXP Semiconductors
Datasheet
1.P89LPC9321.pdf
(71 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P89LPC9321FA
Manufacturer:
NXP
Quantity:
20 000
Company:
Part Number:
P89LPC9321FA,112
Manufacturer:
NXP Semiconductors
Quantity:
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Company:
Part Number:
P89LPC9321FA,529
Manufacturer:
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Quantity:
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Company:
Part Number:
P89LPC9321FDH
Manufacturer:
ON
Quantity:
36
NXP Semiconductors
P89LPC9321
Product data sheet
Fig 21. Shift register mode timing
Fig 22. External clock timing
Fig 23. SPI master timing (CPHA = 0)
write to SBUF
output data
input data
clear RI
(CPOL = 0)
(CPOL = 1)
10.1 Waveforms
SPICLK
SPICLK
(output)
(output)
(output)
clock
(input)
MISO
MOSI
SS
t
QVXH
t
XHDV
t
SPIF
valid
T
0
XLXL
t
t
SPIF
SPIDSU
master MSB/LSB out
t
XHDX
t
All information provided in this document is subject to legal disclaimers.
XHQX
MSB/LSB in
valid
1
t
SPIDV
t
CHCL
Rev. 2 — 16 November 2010
t
t
t
SPICLKH
SPICLKL
SPIDH
t
SPIF
8-bit microcontroller with accelerated two-clock 80C51 core
valid
2
T
SPICYC
t
t
SPICLKH
SPICLKL
t
CLCX
t
SPIR
valid
3
t
SPIOH
T
cy(clk)
t
SPIR
valid
4
t
CLCH
t
CHCX
master LSB/MSB out
valid
LSB/MSB in
5
t
SPIDV
002aaa907
valid
P89LPC9321
6
002aaa908
valid
set TI
set RI
© NXP B.V. 2010. All rights reserved.
7
t
SPIR
002aaa906
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