P89LPC9331 datasheet(72/94 Pages) NXP

部件名	P89LPC9331

功能描述	8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB/16 kB 3 V byte-erasable

PDF	94 Pages

Scroll/Zoom	100%

制造商	NXP [NXP Semiconductors]

网页	http://www.nxp.com

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72 / 94 page

P89LPC9331_9341_9351_9361

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Product data sheet

Rev. 5 — 10 January 2011

72 of 94

NXP Semiconductors

P89LPC9331/9341/9351/9361

8-bit microcontroller with accelerated two-clock 80C51 core

10.2 Internal RC/watchdog oscillator characteristics

Note: The graphs provided are a statistical summary based on a limited number of

samples and only for information purposes. The performance characteristics listed are not

tested or guaranteed.

Central frequency of internal RC oscillator = 7.3728 MHz

Fig 34. Average internal RC oscillator frequency vs. VDD at +25 °C

Note: Central frequency of internal RC oscillator = 7.3728 MHz

Fig 35. Average internal RC oscillator frequency vs. VDD at −40 °C

VDD (V)

2.4

3.6

3.2

2.8

002aae344

−0.1

0.1

0.2

frequency

deviation

(%)

−0.2

VDD (V)

2.4

3.6

3.2

2.8

002aae346

−0.1

0.1

0.2

frequency

deviation

(%)

−0.2

P89LPC9331 数据表(PDF) 72 Page - NXP Semiconductors

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