LPC1111FDH20 NXP Semiconductors, LPC1111FDH20 Datasheet - Page 82
LPC1111FDH20
Manufacturer Part Number
LPC1111FDH20
Description
The LPC1111FDH20 is an ARM Cortex-M0 based, low-cost 32-bit MCU, designed for 8/16-bit microcontroller applications, offering performance, low power, simple instruction set and memory addressing together with reduced code size compared to existing 8/
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1110FD20.pdf
(103 pages)
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NXP Semiconductors
LPC111X
Product data sheet
11.3 XTAL Printed Circuit Board (PCB) layout guidelines
Table 26.
Table 27.
The crystal should be connected on the PCB as close as possible to the oscillator input
and output pins of the chip. Take care that the load capacitors C
of third overtone crystal usage have a common ground plane. The external components
must also be connected to the ground plain. Loops must be made as small as possible in
Fundamental oscillation
frequency F
Fundamental oscillation
frequency F
15 MHz to 20 MHz
20 MHz to 25 MHz
5 MHz to 10 MHz
10 MHz to 15 MHz
15 MHz to 20 MHz
1 MHz to 5 MHz
Fig 44. Oscillator modes and models: oscillation mode of operation and external crystal
model used for C
Recommended values for C
components parameters) low frequency mode
Recommended values for C
components parameters) high frequency mode
OSC
OSC
All information provided in this document is subject to legal disclaimers.
XTALIN
C X1
LPC1xxx
Rev. 7 — 1 March 2012
XTAL
X1
Crystal load
capacitance C
10 pF
20 pF
30 pF
10 pF
20 pF
30 pF
10 pF
20 pF
10 pF
Crystal load
capacitance C
10 pF
20 pF
10 pF
20 pF
/C
X2
XTALOUT
evaluation
C X2
X1
X1
/C
/C
LPC1110/11/12/13/14/15
L
L
X2
X2
in oscillation mode (crystal and external
in oscillation mode (crystal and external
Maximum crystal
series resistance R
< 300
< 300
< 300
< 300
< 200
< 100
< 160
< 60
< 80
Maximum crystal
series resistance R
< 180
< 100
< 160
< 80
32-bit ARM Cortex-M0 microcontroller
=
S
S
X1
L
C L
R S
, C
External load
capacitors C
18 pF, 18 pF
39 pF, 39 pF
57 pF, 57 pF
18 pF, 18 pF
39 pF, 39 pF
57 pF, 57 pF
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
External load
capacitors C
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
39 pF, 39 pF
002aaf424
X2
© NXP B.V. 2012. All rights reserved.
, and C
C P
X3
X1
X1
in case
82 of 103
, C
, C
X2
X2
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