LPC2131 datasheet(34/41 Pages) PHILIPS

部件名	LPC2131

功能描述	Single-chip 16/32-bit microcontrollers; 32/64/512 kB ISP/IAP Flash with 10-bit ADC and DAC

PDF	41 Pages

Scroll/Zoom	100%

制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

34 / 41 page

9397 750 14868

Preliminary data sheet

Rev. 02 — 15 April 2005

34 of 41

Philips Semiconductors

LPC2131/2132/2134/2136/2138

Single-chip 16/32-bit microcontrollers

Dynamic characteristics

[1]

Parameters are valid over operating temperature range unless otherwise speciﬁed.

[2]

Bus capacitance Cb in pF, from 10 pF to 400 pF.

Table 12:

AC characteristics

Ta =0 °Cto +70 °C for commercial applications, −40 °C to +85 °C for industrial applications, VDD over speciﬁed ranges [1]

Symbol

Parameter

Conditions

Min

Typ [1]

Max

Unit

External clock

fosc

oscillator frequency

MHz

Tclk

oscillator clock period

100

tCHCX

clock HIGH time

Tclk × 0.4

tCLCX

clock LOW time

Tclk × 0.4

tCLCH

clock rise time

tCHCL

clock fall time

Port pins (except P0.2 and P0.3)

tr(O)

output rise time

tf(O)

output fall time

I2C-bus pins (P0.2 and P0.3)

tof

output fall time

VIH to VIL

20 + 0.1

Cb [2]

--ns

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