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LPC2109 датащи(PDF) 39 Page - NXP Semiconductors

номер детали LPC2109
подробное описание детали  Single-chip 16/32-bit microcontrollers; 64/128/256 kB ISP/IAP flash with 10-bit ADC and CAN
PDF  46 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC2109 датащи(HTML) 39 Page - NXP Semiconductors

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LPC2109_2119_2129
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 7 — 14 June 2011
39 of 46
NXP Semiconductors
LPC2109/2119/2129
Single-chip 16/32-bit 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 10.
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
 C
b --ns



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