LPC1774FBD208 NXP Semiconductors, LPC1774FBD208 Datasheet - Page 66
![The LPC1774 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz](/photos/41/52/415298/sot459-1_3d_sml.gif)
LPC1774FBD208
Manufacturer Part Number
LPC1774FBD208
Description
The LPC1774 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1774FBD144.pdf
(120 pages)
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NXP Semiconductors
LPC178X_7X
Objective 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 requires a minimum of
power to operate, which can be supplied by an external battery. The device core power
(V
power drain from the RTC battery when V
V
Fig 8.
BAT
DD(REG)(3V3)
.
Power distribution
V
(typical 3.3 V)
(typical 3.0 V)
DD(REG)(3V3)
) is used to operate the RTC whenever V
All information provided in this document is subject to legal disclaimers.
V
DD(3V3)
VREFP
RTCX1
RTCX2
VBAT
V
V
V
DDA
SSA
SS
Rev. 3 — 27 December 2011
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 available and V
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. 2011. All rights reserved.
DD(REG)(3V3)
DD(3V3)
66 of 120
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