LPC3240 datasheet(21/80 Pages) NXP

21 / 80 page

LPC3220_30_40_50

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Product data sheet

Rev. 2.1 — 24 June 2014

21 of 80

NXP Semiconductors

LPC3220/30/40/50

16/32-bit ARM microcontrollers

VDD_IOC

F7,

G6,

H6, J5

VDD_IOC

power

1.8 V or 3.3 V supply for IOC domain

VDD_IOD

F13,

VDD_IOD

power

1.8 V to 3.3 V supply for IOD domain

VDD_OSC

T18

VDD_OSC

power

1.2 V supply for main oscillator

VDD_PLL397

T16

VDD_PLL397

power

1.2 V supply for 397x PLL

VDD_PLLHCLK

R17

VDD_PLLHCLK

power

1.2 V supply for HCLK PLL

VDD_PLLUSB

P15

VDD_PLLUSB

power

1.2 V supply for USB PLL

VDD_FUSE

N14

VDD_FUSE

power

1.2 V supply

VDD_RTC

K14

VDD_RTC

power

1.2 V supply for RTC I/O

VDD_RTCCORE

L13

VDD_RTCCORE

power

1.2 V supply for RTC

VDD_RTCOSC

N15

VDD_RTCOSC

power

1.2 V supply for RTC oscillator

VSS_AD

P13

power

Ground for ADC/touch screen

VSS_CORE

G8,

G10,

G12,

H7,

K12,

L7,

M9,

M10,

M12

power

Ground for core

VSS_EMC

K5,

L5,

M5,

N5,

N6,

P6,

P7,

P8,

P9,

P10,

P11

power

Ground for EMC

VSS_IOA

K13

power

Ground VDD_IOA domain

VSS_IOB

power

Ground VDD_IOB domain

VSS_IOC

F5,

G5,

power

Ground VDD_IOC domain

VSS_IOD

F10,

F11,

F12,

H12

power

Ground VDD_IOD domain

VSS_OSC

P14

power

Ground for main oscillator

VSS_PLL397

T15

power

Ground for 397x PLL

VSS_PLLHCLK

R18

power

Ground for HCLK PLL

Table 4.

Pin description …continued

Symbol

Power supply

domain

Type

Description

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