LPC810M021FN8 datasheet(45/67 Pages) NXP

45 / 67 page

LPC81xM

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Objective data sheet

Rev. 1.0 — 7 November 2012

45 of 67

NXP Semiconductors

LPC81xM

32-bit ARM Cortex-M0+ microcontroller

[1]

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

C), nominal supply

voltages.

[2]

The typical frequency spread over processing and temperature (Tamb = 40 C to +85 C) is 40 %.

[3]

See the LPC800 user manual.

[1]

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

C), nominal supply

voltages.

[2]

The typical frequency spread over processing and temperature (Tamb = 40 C to +85 C) is 40 %.

[3]

See the LPC800 user manual.

11.5 I/O pins

[1]

Applies to standard port pins and RESET pin.

Table 14.

Dynamic characteristics: Watchdog oscillator

Symbol Parameter

Conditions

Min

Typ[1]

Max

Unit

fosc(int)

internal oscillator

frequency

DIVSEL = 0x1F, FREQSEL = 0x1

in the WDTOSCCTRL register;

[2][3] -9.4

kHz

DIVSEL = 0x00, FREQSEL = 0xF

in the WDTOSCCTRL register

[2][3] -

2300

kHz

Table 15.

Dynamic characteristics: Low-power oscillator

Symbol Parameter

Conditions

Min

Typ[1]

Max

Unit

fosc(int)

internal oscillator

frequency

[2][3] -9.4

kHz

Table 16.

Dynamic characteristics: I/O pins[1]

Tamb = 40 C to +85 C; 3.0 V  VDD  3.6 V.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

rise time

pin configured as output

3.0

5.0

fall time

pin configured as output

2.5

5.0

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