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LPC2212 датащи(PDF) 36 Page - NXP Semiconductors

номер детали LPC2212
подробное описание детали  16/32-bit ARM microcontrollers; 128/256 kB ISP/IAP flash with 10-bit ADC and external memory interface
PDF  45 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC2212 датащи(HTML) 36 Page - NXP Semiconductors

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LPC2212_2214_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 3 January 2008
36 of 45
NXP Semiconductors
LPC2212/2214
16/32-bit ARM microcontrollers
9.
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 9.
Dynamic characteristics
Tamb = −40 °C to +85 °C for industrial applications; VDD(1V8), VDD(3V3) over specified ranges.[1]
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
External clock
fosc
oscillator frequency
supplied by an external
oscillator (signal generator)
1
-
50
MHz
external clock frequency
supplied by an external
crystal oscillator
1
-
30
MHz
external clock frequency if
on-chip PLL is used
10
-
25
MHz
external clock frequency if
on-chip bootloader is used
for initial code download
10
-
25
MHz
Tcy(clk)
clock cycle time
20
-
1000
ns
tCHCX
clock HIGH time
Tcy(clk) × 0.4
-
-
ns
tCLCX
clock LOW time
Tcy(clk) × 0.4
-
-
ns
tCLCH
clock rise time
-
-
5
ns
tCHCL
clock fall time
-
-
5
ns
Port pins (except P0[2] and P0[3])
tr
rise time
-
10
-
ns
tf
fall time
-
10
-
ns
I2C-bus pins (P0[2] and P0[3])
tf
fall time
VIH to VIL
[2] 20 + 0.1
× Cb --ns



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