Datasheet

LPC2478 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3.1 — 16 October 2013 63 of 93
NXP Semiconductors
LPC2478
Single-chip 16-bit/32-bit microcontroller
11.4 Flash memory
[1] Number of program/erase cycles.
[2] Programming times are given for writing 256 bytes from RAM to the flash. Data must be written to the flash in blocks of 256 bytes.
Table 14. Dynamic characteristics of flash
T
amb
=  40  C to +85  C, unless otherwise specified; V
DD(3V3)
= 3.0 V to 3.6 V; all voltages are measured with respect to
ground.
Symbol Parameter Conditions Min Typ Max Unit
N
endu
endurance
[1]
10000 100000 - cycles
t
ret
retention time powered; < 100 cycles
[2]
10--years
unpowered; < 100 cycles 20 - - years
t
er
erase time sector or multiple
consecutive sectors
95 100 105 ms
t
prog
programming time
[2]
0.95 1 1.05 ms