LPC11A12FHN33/101, NXP Semiconductors, LPC11A12FHN33/101, Datasheet - Page 69
LPC11A12FHN33/101,
Manufacturer Part Number
LPC11A12FHN33/101,
Description
ARM Microcontrollers - MCU CortexM0 32bit 16KB
Manufacturer
NXP Semiconductors
Datasheet
1.LPC11A11FHN33001.pdf
(84 pages)
Specifications of LPC11A12FHN33/101,
Rohs
yes
Core
ARM Cortex M0
Processor Series
LPC11A
Data Bus Width
32 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
16 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
2.6 V to 3.6 V
Package / Case
HVQFN-33
Mounting Style
SMD/SMT
Factory Pack Quantity
260
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NXP Semiconductors
LPC11AXX
Product data sheet
12.6 Reset pad configuration
12.7 UVLO protection and reset timer circuit
12.8 Guidelines for selecting a power supply filter for UVLO protection
For the UVLO circuits to hold the part in reset during shallow and deep brown-out
conditions, you must filter the power supply line to allow for the BOD and POR circuits to
settle when short voltage drops occur (see
Select the capacitance of the decoupling/bypass capacitor according to the following
guidelines:
C >> I
Fig 32. Reset pad configuration
Fig 33. Functional diagram of the UVLO protection and reset timer circuit
•
•
V
3.3 V
V
I
DD
EXT
V
DD
POR
DD(3V3)
INT
3 mA with the IRC running and PLL/SysOsc off (see
reset
t
s
/V
100 mV for the voltage drop below the BOD or POR trip points.
All information provided in this document is subject to legal disclaimers.
DD(3V3)
REGULATOR
INTERNAL
Rev. 4 — 30 October 2012
with
GLITCH FILTER
V
20 ns RC
REF
V
EXT
V
1.8 V
INT
UVLO
BOD
POR
Section 10.1 “Power supply
R pu
V
V
INT
OR
32-bit ARM Cortex-M0 microcontroller
DD
V
DD
100 μs RESET
analog reset
TIMER
Figure
ESD
V
LPC11Axx
SS
12).
V
ESD
OR
DD
© NXP B.V. 2012. All rights reserved.
fluctuations”).
002aaf274
PIN
internal reset
002aah324
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