LPC2124FBD64 datasheet(29/34 Pages) PHILIPS

29 / 34 page

Philips Semiconductors

LPC2114/LPC2124

Single-chip 16/32-bit microcontrollers

Product data

Rev. 03 — 22 December 2004

29 of 34

9397 750 13145

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:

Characteristics

Tamb =0 °Cto +70 °C for commercial, −40 °C to +85 °C for industrial, V18, V3 over speciﬁed ranges[1]

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

External Clock

fosc

Oscillator frequency supplied by an

external oscillator (signal generator)

MHz

External clock frequency supplied by

an external crystal oscillator

MHz

External clock frequency if on-chip

PLL is used

MHz

External clock frequency if ISP is

used for initial code download

MHz

Oscillator clock period

1000

tCHCX

Clock HIGH time

tc × 0.4

tCLCX

Clock LOW time

tc × 0.4

tCLCH

Clock rise time

tCHCL

Clock fall time

Port Pins

tRISE

Port output rise time (except P0.2,

P0.3)

-10

tFALL

Port output fall time (except P0.2,

P0.3)

-10

I2C pins

Output fall time from VIH to VIL

20 +

0.1

× Cb[2]

--ns

LPC2124FBD64 数据表(PDF) 29 Page - NXP Semiconductors

LPC2124FBD64 数据表(HTML) 29 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

数据表下载