LPC1111_11 datasheet(45/64 Pages) NXP

Part #	LPC1111

Description	32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash and 8 kB SRAM

PDF	64 Pages

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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45 / 64 page

LPC1111_12_13_14

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Product data sheet

Rev. 5 — 22 June 2011

45 of 64

NXP Semiconductors

LPC1111/12/13/14

32-bit ARM Cortex-M0 microcontroller

10.3 External clock

[1]

Parameters are valid over operating temperature range unless otherwise specified.

[2]

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

C), nominal supply

voltages.

Table 12.

Dynamic characteristic: external clock

Tamb = 40 C to +85 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 24. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)

tCHCL

tCLCX

tCHCX

Tcy(clk)

tCLCH

002aaa907

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