LPC1769FBD100,551 NXP Semiconductors, LPC1769FBD100,551 Datasheet - Page 740
![IC ARM CORTEX MCU 512K 100-LQFP](/photos/6/65/66516/568-100-lqfp_sot407-1_sml.jpg)
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
UM10360
User manual
34.3.2.5 Bit-banding
Use memory barrier instructions in, for example:
Memory accesses to Strongly-ordered memory, such as the system control block, do not
require the use of DMB instructions.
A bit-band region maps each word in a bit-band alias region to a single bit in the
bit-band region. The bit-band regions occupy the lowest 1MB of the SRAM and
peripheral memory regions.
•
•
•
•
•
•
•
•
•
DMB
The Data Memory Barrier (DMB) instruction ensures that outstanding memory
transactions complete before subsequent memory transactions. See
Section 34.2.10.3
DSB
The Data Synchronization Barrier (DSB) instruction ensures that outstanding
memory transactions complete before subsequent instructions execute. See
Section 34.2.10.4
ISB
The Instruction Synchronization Barrier (ISB) ensures that the effect of all
completed memory transactions is recognizable by subsequent instructions. See
Section 34.2.10.5
MPU programming:
– Use a DSB instruction to ensure the effect of the MPU takes place immediately at
– Use an ISB instruction to ensure the new MPU setting takes effect immediately
Vector table. If the program changes an entry in the vector table, and then enables the
corresponding exception, use a DMB instruction between the operations. This ensures
that if the exception is taken immediately after being enabled the processor uses the
new exception vector.
Self-modifying code. If a program contains self-modifying code, use an ISB instruction
immediately after the code modification in the program. This ensures subsequent
instruction execution uses the updated program.
Memory map switching. If the system contains a memory map switching mechanism,
use a DSB instruction after switching the memory map in the program. This ensures
subsequent instruction execution uses the updated memory map.
Dynamic exception priority change. When an exception priority has to change when
the exception is pending or active, use DSB instructions after the change. This ensures
the change takes effect on completion of the DSB instruction.
Using a semaphore in multi-master system. If the system contains more than one bus
master, for example, if another processor is present in the system, each processor
must use a DMB instruction after any semaphore instructions, to ensure other bus
masters see the memory transactions in the order in which they were executed.
the end of context switching.
after programming the MPU region or regions, if the MPU configuration code was
accessed using a branch or call. If the MPU configuration code is entered using
exception mechanisms, then an ISB instruction is not required.
All information provided in this document is subject to legal disclaimers.
“DMB”.
“DSB”.
“ISB”.
Rev. 2 — 19 August 2010
Chapter 34: Appendix: Cortex-M3 user guide
UM10360
© NXP B.V. 2010. All rights reserved.
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