LPC1759FBD80,551 NXP Semiconductors, LPC1759FBD80,551 Datasheet - Page 22
LPC1759FBD80,551
Manufacturer Part Number
LPC1759FBD80,551
Description
IC ARM CORTEX MCU 512K 80-LQFP
Manufacturer
NXP Semiconductors
Series
LPC17xxr
Datasheets
1.LPC1751FBD80551.pdf
(74 pages)
2.LPC1767FBD100551.pdf
(2 pages)
3.LPC1767FBD100551.pdf
(840 pages)
Specifications of LPC1759FBD80,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
Package / Case
80-LQFP
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
120MHz
Connectivity
CAN, I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
Number Of I /o
52
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 6x12b, 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
52
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
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 6 Channel
On-chip Dac
10 bit
Package
80LQFP
Device Core
ARM Cortex M3
Family Name
LPC17xx
Maximum Speed
120 MHz
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
568-4968
935290523551
935290523551
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NXP Semiconductors
3.5 Brown-out detection
UM10360
User manual
The LPC17xx includes a Brown-Out Detector (BOD) that provides 2-stage monitoring of
the voltage on the V
(typically 2.2 V under nominal room temperature conditions), the BOD asserts an interrupt
signal to the NVIC. This signal can be enabled for interrupt in the Interrupt Enable
Register in the NVIC in order to cause a CPU interrupt; if not, software can monitor the
signal by reading the Raw Interrupt Status Register.
The second stage of low-voltage detection asserts Reset to inactivate the LPC17xx when
the voltage on the V
under nominal room temperature conditions). This Reset prevents alteration of the flash
as operation of the various elements of the chip would otherwise become unreliable due
to low voltage. The BOD circuit maintains this reset down below 1 V, at which point the
Power-On Reset circuitry maintains the overall Reset.
Both the BOD reset interrupt level and the BOD reset trip level thresholds include some
hysteresis. In normal operation, this hysteresis allows the BOD reset interrupt level
detection to reliably interrupt, or a regularly-executed event loop to sense the condition.
But when Brown-Out Detection is enabled to bring the LPC17xx out of Power-down mode
(which is itself not a guaranteed operation -- see
register (PCON - 0x400F
the wake-up timer has completed its delay. In this case, the net result of the transient BOD
is that the part wakes up and continues operation after the instructions that set
Power-down mode, without any interrupt occurring and with the BOD bit in the RSID being
0. Since all other wake-up conditions have latching flags (see
Interrupt flag register (EXTINT - 0x400F C140)”
type, without any apparent cause, can be assumed to be a Brown-Out that has gone
away.
All information provided in this document is subject to legal disclaimers.
DD(REG)(3V3)
DD(REG)(3V3)
Rev. 2 — 19 August 2010
C0C0)”), the supply voltage may recover from a transient before
pins. If this voltage falls below the BOD interrupt trip level
pins falls below the BOD reset trip level (typically 1.85 V
and
Section 4.8.7 “Power Mode Control
Chapter 3: LPC17xx System control
Section
27.6.2), a wake-up of this
Section 3.6.2 “External
UM10360
© NXP B.V. 2010. All rights reserved.
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