LPC2420_60 NXP Semiconductors, LPC2420_60 Datasheet - Page 57

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LPC2420_60

Manufacturer Part Number
LPC2420_60
Description
NXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer
NXP Semiconductors
Datasheet
NXP Semiconductors
11. Dynamic characteristics
Table 10.
Dynamic characteristics
T
=
40
C to +85
C for commercial applications; V
amb
Symbol
Parameter
External clock
f
oscillator frequency
osc
T
clock cycle time
cy(clk)
t
clock HIGH time
CHCX
t
clock LOW time
CLCX
t
clock rise time
CLCH
t
clock fall time
CHCL
2
I
C-bus pins (P0[27] and P0[28])
t
output fall time
f(o)
SSP interface
t
SPI_MISO set-up time
su(SPI_MISO)
[1]
Parameters are valid over operating temperature range unless otherwise specified.
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages.
[2]
[3]
Bus capacitance C
in pF, from 10 pF to 400 pF.
b
Fig 13. External clock timing (with an amplitude of at least V
LPC2420_60
Product data sheet
over specified ranges.
DD(3V3)
Conditions
V
to V
IH
IL
= 25 C;
T
amb
measured in
SPI Master
mode; see
Figure 17
t
t
t
t
CHCL
CLCX
CLCH
T
cy(clk)
= 200 mV)
i(RMS)
All information provided in this document is subject to legal disclaimers.
Rev. 6.1 — 22 September 2011
LPC2420/2460
Flashless 16-bit/32-bit microcontroller
[1]
[2]
Min
Typ
Max
1
-
25
42
-
1000
 0.4
T
-
-
cy(clk)
 0.4
T
-
-
cy(clk)
-
-
5
-
-
5
20 + 0.1  C
[3]
-
-
b
-
11
-
CHCX
002aaa907
© NXP B.V. 2011. All rights reserved.
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
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