LPC1769FBD100,551 NXP Semiconductors, LPC1769FBD100,551 Datasheet - Page 31
LPC1769FBD100,551
Manufacturer Part Number
LPC1769FBD100,551
Description
IC ARM CORTEX MCU 512K 100-LQFP
Manufacturer
NXP Semiconductors
Series
LPC17xxr
Datasheets
1.OM11043.pdf
(79 pages)
2.LPC1767FBD100551.pdf
(2 pages)
3.LPC1767FBD100551.pdf
(840 pages)
4.LPC1769FBD100551.pdf
(66 pages)
Specifications of LPC1769FBD100,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
Package / Case
100-LQFP
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
120MHz
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
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
Processor Series
LPC17
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
Ethernet, USB, OTG, CAN
Maximum Clock Frequency
120 MHz
Number Of Programmable I/os
70
Number Of Timers
4
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, MCB1760, MCB1760U, MCB1760UME
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 8 Channel
On-chip Dac
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4966
935290522551
935290522551
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1769FBD100,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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NXP Semiconductors
4.3 Oscillators
UM10360
User manual
4.3.1 Internal RC oscillator
4.3.2 Main oscillator
The LPC17xx includes three independent oscillators. These are the Main Oscillator, the
Internal RC Oscillator, and the RTC oscillator. Each oscillator can be used for more than
one purpose as required in a particular application. This can be seen in
Following Reset, the LPC17xx will operate from the Internal RC Oscillator until switched
by software. This allows systems to operate without any external crystal, and allows the
boot loader code to operate at a known frequency.
The Internal RC Oscillator (IRC) may be used as the clock source for the watchdog timer,
and/or as the clock that drives PLL0 and subsequently the CPU. The precision of the IRC
does not allow for use of the USB interface, which requires a much more precise time
base in order to comply with the USB specification. Also, the IRC should not be used with
the CAN1/2 block if the CAN baud rate is higher than 100 kbit/s.The nominal IRC
frequency is 4 MHz.
Upon power-up or any chip reset, the LPC17xx uses the IRC as the clock source.
Software may later switch to one of the other available clock sources.
The main oscillator can be used as the clock source for the CPU, with or without using
PLL0. The main oscillator operates at frequencies of 1 MHz to 25 MHz. This frequency
can be boosted to a higher frequency, up to the maximum CPU operating frequency, by
the Main PLL (PLL0). The oscillator output is called OSC_CLK. The clock selected as the
PLL0 input is PLLCLKIN and the ARM processor clock frequency is referred to as CCLK
for purposes of rate equations, etc. elsewhere in this document. The frequencies of
PLLCLKIN and CCLK are the same value unless the PLL0 is active and connected. Refer
to
The on-board oscillator in the LPC17xx can operate in one of two modes: slave mode and
oscillation mode.
In slave mode the input clock signal should be coupled by means of a capacitor of 100 pF
(C
This corresponds to a square wave signal with a signal swing of between 280 mV and 1.4
V. The XTAL2 pin in this configuration can be left unconnected.
External components and models used in oscillation mode are shown in
drawings b and c, and in
integrated on chip, only a crystal and the capacitances C
externally in case of fundamental mode oscillation (the fundamental frequency is
represented by L, C
parallel package capacitance and should not be larger than 7 pF. Parameters F
and C
C
Section 4.5 “PLL0 (Phase Locked Loop 0)”
in
P
Figure
are supplied by the crystal manufacturer.
8, drawing a), with an amplitude between 200 mVrms and 1000 mVrms.
All information provided in this document is subject to legal disclaimers.
L
and R
Rev. 2 — 19 August 2010
Table 15
S
). Capacitance C
and
Chapter 4: LPC17xx Clocking and power control
Table
16. Since the feedback resistance is
P
for details.
in
Figure
X1
8, drawing c, represents the
and C
X2
need to be connected
UM10360
© NXP B.V. 2010. All rights reserved.
Figure
Figure
7.
C
8,
, C
31 of 840
L
, R
S
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