LPC1767 NXP [NXP Semiconductors], LPC1767 Datasheet - Page 46

• Manufacturer Part Number: LPC1767
• Description: 32-bit ARM Cortex-M3 microcontroller; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
11. Dynamic characteristics
Table 7.
T
[1]
Table 8.
T
[1]
[2]
LPC1769_68_67_66_65_64_4
Product data sheet
Symbol
N
t
Symbol
f
T
t
t
t
t
ret
osc
CHCX
CLCX
CLCH
CHCL
amb
amb
Fig 10. External clock timing (with an amplitude of at least V
cy(clk)
endu
Number of program/erase cycles.
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
40
°
°
Flash characteristics
Dynamic characteristic: external clock
C to +85
C to +85
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
°
°
C, unless otherwise specified.
C; V
DD(3V3)
over specified ranges.
Conditions
powered
unpowered
t
CHCL
Rev. 04 — 1 February 2010
[1]
Conditions
t
CLCX
i(RMS)
LPC1769/68/67/66/65/64
T
cy(clk)
= 200 mV)
t
CLCH
t
[1]
CHCX
Min
1
40
T
T
-
-
cy(clk)
cy(clk)
32-bit ARM Cortex-M3 microcontroller
Min
10 000
10
20
× 0.4
× 0.4
002aaa907
Typ
-
-
-
Typ
-
-
-
-
-
-
[2]
© NXP B.V. 2010. All rights reserved.
Max
-
-
-
Max
25
1000
-
-
5
5
Unit
cycles
years
years
46 of 66
Unit
MHz
ns
ns
ns
ns
ns