LPC810M021FN8 datasheet(45/71 Pages) NXP

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LPC81xM

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Product data sheet

Rev. 3 — 29 July 2013

45 of 71

NXP Semiconductors

LPC81xM

32-bit ARM Cortex-M0+ microcontroller

12. Dynamic characteristics

12.1 Flash memory

[1]

Number of program/erase cycles.

[2]

Programming times are given for writing 64 bytes to the flash. Tamb <= +85 C. Flash programming with

IAP calls (see LPC800 user manual).

12.2 External clock for the oscillator in slave mode and CLKIN

Remark: The input voltage on the XTAL1/2 pins must be

 1.95 V (see Table 9). For

connecting the oscillator to the XTAL pins, also see Section 14.1.

[1]

Parameters are valid over operating temperature range unless otherwise specified.

[2]

Typical ratings are not guaranteed. The values listed are for room temperature (25

C), nominal supply

voltages.

Table 11.

Flash characteristics

Tamb = 40 C to +105 C. Based on JEDEC NVM qualification. Failure rate < 10 ppm for parts as

specified below.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Nendu

endurance

[1] 10000

100000

cycles

tret

retention time

powered

years

unpowered

years

ter

erase time

page or multiple

consecutive pages,

sector or multiple

consecutive

sectors

100

105

tprog

programming

time

[2] 0.95

1.05

Table 12.

Dynamic characteristic: external clock (XTALIN or CLKIN inputs)

Tamb = 40 C to +105 C; VDD over specified ranges.[1]

Symbol

Parameter

Conditions

Min

Typ[2]

Max

Unit

fosc

oscillator frequency

MHz

Tcy(clk)

clock cycle time

1000

tCHCX

clock HIGH time

Tcy(clk)  0.4

tCLCX

clock LOW time

Tcy(clk)  0.4

tCLCH

clock rise time

tCHCL

clock fall time

Fig 27. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)

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