LPC2925 NXP Semiconductors, LPC2925 Datasheet - Page 66

• Manufacturer Part Number: LPC2925
• Description: (LPC2921 - LPC2925) ARM9 microcontroller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 35.
V
measured with respect to ground; positive currents flow into the IC; unless otherwise specified.
[1]
LPC2921_2923_2925_0
Preliminary data sheet
Symbol
f
SPI master
T
t
t
t
t
t
t
SPI slave
T
t
t
t
t
t
t
SPI
SPICLKH
SPICLKL
SPIDSU
SPIDH
SPIQV
SPIOH
SPICLKH
SPICLKL
SPIDSU
SPIDH
SPIQV
SPIOH
DD(CORE)
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SPICYC
SPICYC
All parameters are guaranteed over the virtual junction temperature range by design. Pre-testing is performed at T
temperature on wafer level. Cased products are tested at T
test conditions to cover the specified temperature and power supply voltage range.
= V
Dynamic characteristics of SPI pins
DD(OSC_PLL)
Parameter
SPI operating frequency
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 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
9.4 Dynamic characteristics: SPI
; V
Fig 23.
DD(IO)
= 2.7 V to 3.6 V; V
SPI master timing (CPHA = 1)
SCK (CPOL = 0)
SCK (CPOL = 1)
MOSI
MISO
Rev. 00.01 — 24 October 2008
Conditions
master operation
slave operation
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DDA(ADC3V3)
amb
= 25 °C (final testing). Both pre-testing and final testing use correlated
= 3.0 V to 3.6 V; T
DATA VALID
t
DATA VALID
SPICLK
t
SPIQV
ARM9 microcontroller with CAN and LIN
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
Min
1
1
LPC2921/2923/2925
⁄
⁄
65024
65024
t
t
SPICLKH
SPIDSU
vj
f
f
clk(spi)
clk(spi)
= -40
DATA VALID
DATA VALID
t
SPICLKL
°
C to +85
t
SPIDH
[1]
Typ
-
-
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
°
C; all voltages are
t
© NXP B.V. 2008. All rights reserved.
002aad986
SPIOH
amb
Max
1
1
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
⁄
⁄
2
4
f
f
= 125 °C ambient
clk(spi)
clk(spi)
ns
ns
ns
ns
ns
ns
ns
ns
Unit
MHz
MHz
ns
ns
ns
ns
ns
ns
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