LPC1751 NXP Semiconductors, LPC1751 Datasheet - Page 51

• Manufacturer Part Number: LPC1751
• Description: 32-bit ARM Cortex-M3 MCU; up to 512 kB flash and 64 kB SRAM
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC1759_58_56_54_52_51_4
Product data sheet
11.9 SPI
Table 15.
T
[1]
[2]
Symbol
T
T
t
t
SPI master
t
t
t
t
SPI slave
t
t
t
t
SPICLKH
SPICLKL
SPIDSU
SPIDH
SPIQV
SPIOH
SPIDSU
SPIDH
SPIQV
SPIOH
amb
Fig 17. SPI master timing (CPHA = 1)
cy(PCLK)
SPICYC
T
processor clock CCLK.
Timing parameters are measured with respect to the 50 % edge of the clock PCLK and the 10 % (90 %)
edge of the data signal (MOSI or MISO).
=
SPICYC
−
40
°
= (T
Dynamic characteristics of SPI pins
C to +85
SCK (CPOL = 0)
SCK (CPOL = 1)
Parameter
PCLK cycle time
SPI cycle time
SPICLK HIGH time
SPICLK LOW time
SPI data set-up time
SPI data hold time
SPI data output valid time
SPI output data hold time
SPI data set-up time
SPI data hold time
SPI data output valid time
SPI output data hold time
cy(PCLK)
MOSI
MISO
°
C.
× n) ± 0.5 %, n is the SPI clock divider value (n ≥ 8); PCLK is derived from the
Rev. 04 — 26 January 2010
DATA VALID
[1]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
T
DATA VALID
SPICYC
LPC1759/58/56/54/52/51
t
SPIQV
Min
10
79.6
0.485
0
2
2
2
0
2
2
2
×
×
×
×
×
×
T
T
T
T
T
T
cy(PCLK)
cy(PCLK)
cy(PCLK)
cy(PCLK)
cy(PCLK)
cy(PCLK)
×
32-bit ARM Cortex-M3 microcontroller
T
t
t
SPICYC
SPICLKH
SPIDSU
− 5
+ 30
+ 5
+ 5
+ 35
+ 15
DATA VALID
DATA VALID
t
SPICLKL
t
SPIDH
Typ
-
-
-
-
-
-
-
-
-
-
-
-
Max
-
-
-
0.515
-
-
-
-
-
-
-
-
t
© NXP B.V. 2010. All rights reserved.
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002aad986
SPIOH
×
T
SPICYC
51 of 64
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns