LPC1788FBD144,551 NXP Semiconductors, LPC1788FBD144,551 Datasheet - Page 66
LPC1788FBD144,551
Manufacturer Part Number
LPC1788FBD144,551
Description
8-bit Microcontrollers - MCU CORTEX-M3 512KB FL 96KB SRAM 4KB EE USB
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1778FBD144551.pdf
(120 pages)
Specifications of LPC1788FBD144,551
Rohs
yes
Factory Pack Quantity
60
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NXP Semiconductors
LPC178X_7X
Product data sheet
The second option uses two power supplies; a 3.3 V supply for the I/O pads (V
a dedicated 3.3 V supply for the CPU (V
powered independently from the I/O pad ring enables shutting down of the I/O pad power
supply “on the fly” while the CPU and peripherals stay active.
The VBAT pin supplies power only to the RTC domain. The RTC operates at very low
power, which can be supplied by an external battery. The device core power
(V
power drain from the RTC battery when V
V
Fig 8.
DD(REG)(3V3)
DD(REG)(3V3)
Power distribution
V
(typical 3.3 V)
(typical 3.0 V)
DD(REG)(3V3)
> V
) is used to operate the RTC whenever V
All information provided in this document is subject to legal disclaimers.
V
DD(3V3)
VREFP
BAT
RTCX1
RTCX2
VBAT
V
V
V
DDA
SSA
.
SS
Rev. 4.1 — 15 November 2012
LPC178x/7x
RTC POWER DOMAIN
ADC POWER DOMAIN
MAIN POWER DOMAIN
OSCILLATOR
SELECTOR
to I/O pads
POWER
32 kHz
DD(REG)(3V3)
REGULATOR
DD(REG)(3V3)
32-bit ARM Cortex-M3 microcontroller
REGULATOR
ULTRA-LOW
). Having the on-chip voltage regulator
POWER
is at nominal levels and
DD(REG)(3V3)
DAC
ADC
BACKUP REGISTERS
REAL-TIME CLOCK
to core
to memories,
peripherals,
oscillators,
PLLs
LPC178x/7x
is present. There is no
002aaf530
© NXP B.V. 2012. All rights reserved.
DD(3V3)
66 of 120
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