LPC3240 datasheet(16/73 Pages) NXP

16 / 73 page

LPC3220_30_40_50_1

Preliminary data sheet

Rev. 01 — 6 February 2009

16 of 73

NXP Semiconductors

LPC3220/30/40/50

16/32-bit ARM microcontrollers

MS_DIO3/

MAT0[3]

VDD_IOD

I/O: P

MS/SD card data 3

Timer 0 match output 3

MS_SCLK/

MAT2[0]

VDD_IOD

I/O

MS/SD card clock output

Timer 2 match output 0

n.c.

B17,

U17,

not connected

ONSW

M15

VDD_RTC

RTC match output for external power control

P0[0]/

I2S1RX_CLK

VDD_IOB

I/O

Port 0 GPIO bit 0

I/O

I2S1 receive clock

P0[1]/

I2S1RX_WS

VDD_IOB

I/O

Port 0 GPIO bit 1

I/O

I2S1 receive word select

P0[2]/

I2S0RX_SDA/

LCDVD[4]

M17

VDD_IOA

I/O

Port 0 GPIO bit 2

I/O

I2S0 receive data

I/O

LCD data bit 4

P0[3]/

I2S0RX_CLK/

LCDVD[5]

M18

VDD_IOA

I/O

Port 0 GPIO bit 3

I/O

I2S0 receive clock

I/O

LCD data bit 5

P0[4]/

I2S0RX_WS/

LCDVD[6]

L15

VDD_IOA

I/O

Port 0 GPIO bit 4

I/O

I2S0 receive word select

I/O

LCD data bit 6

P0[5]/

I2S0TX_SDA/

LCDVD[7]

L16

VDD_IOA

I/O

Port 0 GPIO bit 5

I/O

I2S0 transmit data

I/O

LCD data bit 7

P0[6]/

I2S0TX_CLK/

LCDVD[12]

L17

VDD_IOA

I/O

Port 0 GPIO bit 6

I/O

I2S0 transmit clock

I/O

LCD data bit 12

P0[7]/

I2S0TX_WS/

LCDVD[13]

L18

VDD_IOA

I/O

Port 0 GPIO bit 7

I/O

I2S0 transmit word select

I/O

LCD data bit 13

PLL397_LOOP

R14

VDD_AD

analog ﬁlter

PLL397 loop ﬁlter

(for external components)

PWM_OUT1/

LCDVD[16]

D14

VDD_IOD

PWM1 out

LCD data bit 16

PWM_OUT2/INTSTAT/

LCDVD[19]

D15

VDD_IOD

PWM2 output/internal interrupt status[1]

LCD data bit 19

RESET

M14

VDD_RTC

Reset input, active LOW

RESOUT

VDD_IOC

Reset out. Reﬂects external and WDT reset

RTCX_IN

P16

VDD_RTC

analog in

RTC oscillator input

RTCX_OUT

P17

VDD_RTC

analog out

RTC oscillator output

Table 4.

Pin description …continued

Symbol

Power supply

domain

Type

Description

LPC3240 Datasheet(PDF) 16 Page - NXP Semiconductors

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