LPC2470_1109 NXP [NXP Semiconductors], LPC2470_1109 Datasheet - Page 58

• Manufacturer Part Number: LPC2470_1109
• Description: Flashless 16-bit/32-bit microcontroller; Ethernet, CAN, LCD, USB 2.0 device/host/OTG, external memory interface
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
11. Dynamic characteristics
Table 10.
T
[1]
[2]
[3]
LPC2470
Product data sheet
Symbol
External clock
f
T
t
t
t
t
I
t
SSP interface
t
osc
CHCX
CLCX
CLCH
CHCL
2
f(o)
su(SPI_MISO)
amb
Fig 13. External clock timing (with an amplitude of at least V
cy(clk)
C-bus pins (P0[27]/SDA0 and P0[28]/SCL0)
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.
Bus capacitance C
= 40 C to +85 C for commercial applications; V
Dynamic characteristics
Parameter
oscillator frequency
clock cycle time
clock HIGH time
clock LOW time
clock rise time
clock fall time
output fall time
SPI_MISO set-up time
b
in pF, from 10 pF to 400 pF.
All information provided in this document is subject to legal disclaimers.
t
CHCL
Rev. 4 — 8 September 2011
DD(3V3)
Conditions
V
T
measured in
SPI Master
mode; see
Figure 17
amb
IH
to V
t
CLCX
= 25 C;
over specified ranges.
IL
i(RMS)
T
cy(clk)
= 200 mV)
t
CLCH
t
CHCX
Min
1
42
T
T
-
-
20 + 0.1  C
-
cy(clk)
cy(clk)
Flashless 16-bit/32-bit microcontroller
 0.4
 0.4
[1]
b
[3]
002aaa907
Typ
-
-
-
-
-
-
-
11
[2]
LPC2470
© NXP B.V. 2011. All rights reserved.
Max
25
1000
-
-
5
5
-
-
MHz
58 of 91
Unit
ns
ns
ns
ns
ns
ns
ns