LPC1768FET100,551 NXP Semiconductors, LPC1768FET100,551 Datasheet - Page 69

• Manufacturer Part Number: LPC1768FET100,551
• Description: IC MCU 32BIT 512KB FLASH 100LQFP
• Manufacturer: NXP Semiconductors
• Series: LPC17xxr

Specifications of LPC1768FET100,551

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: CAN, Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x12b, D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Processor Series: LPC1768
• Core: ARM Cortex-M3
• Data Bus Width: 32 bit
• Data Ram Size: 16 KB
• Interface Type: Ethernet, USB, CAN, I2S, I2C
• Maximum Clock Frequency: 100 MHz
• Number Of Programmable I/os: 70
• Number Of Timers: 4
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 568-5215

NXP Semiconductors
LPC1769_68_67_66_65_64_63
Product data sheet
14.3 XTAL and RTCX Printed Circuit Board (PCB) layout guidelines
Table 22.
Table 23.
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
Fundamental oscillation
frequency F
Fundamental oscillation
frequency F
15 MHz - 20 MHz
5 MHz - 10 MHz
10 MHz - 15 MHz
15 MHz - 20 MHz
20 MHz - 25 MHz
1 MHz - 5 MHz
Fig 34. 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 — 5 April 2011
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
LPC1769/68/67/66/65/64/63
C X2
X1
X1
/C
/C
L
L
X2
X2
in oscillation mode (crystal and external
in oscillation mode (crystal and external
Maximum crystal
series resistance R
< 300 Ω
< 300 Ω
< 300 Ω
< 300 Ω
< 200 Ω
< 100 Ω
< 160 Ω
< 60 Ω
< 80 Ω
Maximum crystal
series resistance R
< 180 Ω
< 100 Ω
< 160 Ω
< 80 Ω
32-bit ARM Cortex-M3 microcontroller
=
x1
S
S
, C
L
C L
R S
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
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
, and C
© NXP B.V. 2011. All rights reserved.
C P
x3
in case of
X1
X1
/C
,
69 of 79
CX2
X2