LPC1769FBD100,551 NXP Semiconductors, LPC1769FBD100,551 Datasheet - Page 749
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
34.3.3.6 Interrupt priority grouping
34.3.3.7 Exception entry and return
Remark: Configurable priority values are in the range 0 to 31. This means that the Reset,
Hard fault, and NMI exceptions, with fixed negative priority values, always have higher
priority than any other exception.
For example, assigning a higher priority value to IRQ[0] and a lower priority value to
IRQ[1] means that IRQ[1] has higher priority than IRQ[0]. If both IRQ[1] and IRQ[0] are
asserted, IRQ[1] is processed before IRQ[0].
If multiple pending exceptions have the same priority, the pending exception with the
lowest exception number takes precedence. For example, if both IRQ[0] and IRQ[1] are
pending and have the same priority, then IRQ[0] is processed before IRQ[1].
When the processor is executing an exception handler, the exception handler is
preempted if a higher priority exception occurs. If an exception occurs with the same
priority as the exception being handled, the handler is not preempted, irrespective of the
exception number. However, the status of the new interrupt changes to pending.
To increase priority control in systems with interrupts, the NVIC supports priority grouping.
This divides each interrupt priority register entry into two fields:
Only the group priority determines preemption of interrupt exceptions. When the
processor is executing an interrupt exception handler, another interrupt with the same
group priority as the interrupt being handled does not preempt the handler,
If multiple pending interrupts have the same group priority, the subpriority field determines
the order in which they are processed. If multiple pending interrupts have the same group
priority and subpriority, the interrupt with the lowest IRQ number is processed first.
For information about splitting the interrupt priority fields into group priority and subpriority,
see
Descriptions of exception handling use the following terms:
•
•
•
•
•
•
Section 34.4.3.9 “System Handler Priority Registers”
Section 34.4.2.7 “Interrupt Priority
an upper field that defines the group priority
a lower field that defines a subpriority within the group.
Preemption
When the processor is executing an exception handler, an exception can preempt the
exception handler if its priority is higher than the priority of the exception being
handled. See
When one exception preempts another, the exceptions are called nested exceptions.
See
Return
This occurs when the exception handler is completed, and:
Section 34.4.3.6 “Application Interrupt and Reset Control
Section 34.3.3.7.1
All information provided in this document is subject to legal disclaimers.
Section 34.3.3.6
Rev. 2 — 19 August 2010
more information.
for more information about preemption by an interrupt.
Registers”.
Chapter 34: Appendix: Cortex-M3 user guide
Register”.
UM10360
© NXP B.V. 2010. All rights reserved.
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