LPC1317FHN33,551 NXP Semiconductors, LPC1317FHN33,551 Datasheet - Page 63

• Manufacturer Part Number: LPC1317FHN33,551
• Description: ARM Microcontrollers - MCU 32bit ARM Cortex-M3 64KB Flash 10KB SRAM
• Manufacturer: NXP Semiconductors

Specifications of LPC1317FHN33,551

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: LPC1317
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 72 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 8 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: HVQFN-33
• Mounting Style: SMD/SMT
• Factory Pack Quantity: 260

NXP Semiconductors
LPC1315_16_17_45_46_47
Product data sheet
12.3 XTAL Printed-Circuit Board (PCB) layout guidelines
Table 18.
Table 19.
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
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
order to keep the noise coupled in via the PCB as small as possible. Also parasitics
should stay as small as possible. Values of C
accordingly to the increase in parasitics of the PCB layout.
Fundamental oscillation
frequency F
5 MHz - 10 MHz
10 MHz - 15 MHz
15 MHz - 20 MHz
Fundamental oscillation
frequency F
15 MHz - 20 MHz
20 MHz - 25 MHz
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.
Rev. 3 — 20 September 2012
Crystal load
capacitance C
10 pF
20 pF
30 pF
10 pF
20 pF
10 pF
Crystal load
capacitance C
10 pF
20 pF
10 pF
20 pF
X1
X1
LPC1315/16/17/45/46/47
/C
/C
L
L
X2
X2
in oscillation mode (crystal and external
in oscillation mode (crystal and external
Maximum crystal
series resistance R
< 300 
< 200 
< 100 
< 160 
< 60 
< 80 
Maximum crystal
series resistance R
< 180 
< 100 
< 160 
< 80 
x1
and C
32-bit ARM Cortex-M3 microcontroller
x2
should be chosen smaller
x1
S
S
, C
x2
External load
capacitors C
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
, and C
© NXP B.V. 2012. All rights reserved.
x3
in case of
X1
X1
, C
, C
63 of 77
X2
X2