LPC1313FBD48 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

LPC1313FBD48

32-bit ARM Cortex-M3 microcontroller; up to 32 kB flash and 8 kB SRAM; USB device

NXP Semiconductors. 

NXP Semiconductors

LPC1311/13/42/43

32-bit ARM Cortex-M3 microcontroller

10.4 Internal oscillators

Table 15. Dynamic characteristics: IRC

Tamb = −40 °C to +85 °C; 2.7 V ≤ VDD ≤ 3.6 V[1].

Symbol

Parameter

fosc(RC)

internal RC oscillator frequency

Conditions

-

Min

11.88

Typ[2]

12

Max

12.12

[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.

Unit

MHz

12.15

f

(MHz)

12.05

VDD = 3.6 V

3.3 V

3.0 V

2.7 V

2.4 V

2.0 V

002aae987

11.95

11.85

−40

−15

10

35

60

85

temperature (°C)

Conditions: Frequency values are typical values. 12 MHz ± 1 % accuracy is guaranteed for

2.7 V ≤ VDD ≤ 3.6 V and Tamb = −40 °C to +85 °C. Variations between parts may cause the IRC to

fall outside the 12 MHz ± 1 % accuracy specification for voltages below 2.7 V.

Fig 27. Internal RC oscillator frequency f versus temperature

Table 16. Dynamic characteristics: Watchdog oscillator

Symbol Parameter

Conditions

fosc(int) internal oscillator frequency DIVSEL = 0x1F, FREQSEL = 0x1 in the

WDTOSCCTRL register;

DIVSEL = 0x00, FREQSEL = 0xF in the

WDTOSCCTRL register

Min Typ[1]

[2][3] -

7.8

Max Unit

-

kHz

[2][3] -

1700 -

kHz

[1] Typical ratings are not guaranteed. The values listed are at nominal supply voltages.

[2] The typical frequency spread over processing and temperature (Tamb = −40 °C to +85 °C) is ±40 %.

[3] See the LPC13xx user manual.

LPC1311_13_42_43

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 5 — 6 June 2012

© NXP B.V. 2012. All rights reserved.

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