lpc1756 NXP Semiconductors, lpc1756 Datasheet - Page 47

• Manufacturer Part Number: lpc1756
• Description: 32-bit Arm Cortex-m3 Mcu Up To 512 Kb Flash And 64 Kb Sram With Ethernet, Usb 2.0 Host/device/otg, Can
• Manufacturer: NXP Semiconductors

NXP Semiconductors
11. Dynamic characteristics
Table 9.
T
Table 10.
T
[1]
[2]
LPC1758_56_54_52_51_2
Objective data sheet
Symbol
f
T
t
t
t
t
Symbol
N
t
osc
CHCX
CLCX
CLCH
CHCL
ret
amb
amb
Fig 14. External clock timing (with an amplitude of at least V
cy(clk)
endu
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.
= 40 C to +85 C, unless otherwise specified.
= 40 C to +85 C; V
Flash characteristics
Dynamic characteristic: external clock
11.1 Flash memory
11.2 External clock
Parameter
endurance
retention time
Parameter
oscillator frequency
clock cycle time
clock HIGH time
clock LOW time
clock rise time
clock fall time
DD(3V3)
over specified ranges.
Conditions
powered; < 100 cycles;
40 C to +85 C
25 C to +85 C
40 C to +85 C
t
CHCL
Rev. 02 — 11 February 2009
[1]
Conditions
t
CLCX
i(RMS)
T
cy(clk)
= 200 mV)
t
LPC1758/56/54/52/51
CLCH
t
CHCX
Min
1
42
T
T
-
-
cy(clk)
cy(clk)
Min
10000
100000
10
32-bit ARM Cortex-M3 microcontroller
0.4
0.4
002aaa907
Typ
-
-
-
Typ
-
-
-
-
-
-
[2]
© NXP B.V. 2009. All rights reserved.
Max
-
-
-
Max
25
1000
-
-
5
5
Unit
cycles
cycles
years
47 of 71
Unit
MHz
ns
ns
ns
ns
ns