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LPC4350 데이터시트(PDF) 87 Page - NXP Semiconductors

부품명 LPC4350
상세설명  32-bit ARM Cortex-M4/M0 MCU; up to 264 kB SRAM; Ethernet two High-speed USBs; advanced configurable peripherals
PDF  145 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

LPC4350 데이터시트(HTML) 87 Page - NXP Semiconductors

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LPC4350_30_20_10
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 2.1 — 23 September 2011
87 of 145
NXP Semiconductors
LPC4350/30/20/10
32-bit ARM Cortex-M4/M0 microcontroller
7.22.8 Reset Generation Unit (RGU)
The RGU allows generation of independent reset signals for individual blocks and
peripherals on the LPC4350/30/20/10.
7.22.9 Power control
The LPC4350/30/20/10 feature several independent power domains to control power to
the core and the peripherals (see Figure 11). The RTC and its associated peripherals (the
alarm timer, the CREG block, the OTP controller, the back-up registers, and the event
router) are located in the RTC power-domain which can be powered by a battery supply or
the main regulator. A power selector switch ensures that the RTC block is always powered
on.
The LPC4350/30/20/10 support four reduced power modes: Sleep, Deep-sleep,
Power-down, and Deep power-down.
Fig 11. Power domains
REAL-TIME CLOCK
BACKUP REGISTERS
RESET/WAKE-UP
CONTROL
REGULATOR
32 kHz
OSCILLATOR
ALWAYS-ON/RTC POWER DOMAIN
MAIN POWER DOMAIN
RTCX1
VBAT
VDDREG
RTCX2
VDDIO
VSS
to memories,
peripherals,
oscillators,
PLLs
to cores
to I/O pads
ADC
DAC
OTP
ADC POWER DOMAIN
OTP POWER DOMAIN
USB0 POWER DOMAIN
VDDA
VSSA
VPP
USB0
USB0_VDDA3V_DRIVER
USB0_VDDA3V3
LPC43xx
ULTRA LOW-POWER
REGULATOR
POWER
SELECTOR
ALARM
RESET
WAKEUP0/1/2/3
to RTC
domain
peripherals
002aag378
to RTC I/O
pads



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