LPC4350 datasheet(29/149 Pages) PHILIPS

29 / 149 page

LPC4350_30_20_10

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Objective data sheet

Rev. 3.1 — 5 January 2012

29 of 149

NXP Semiconductors

LPC4350/30/20/10

32-bit ARM Cortex-M4/M0 microcontroller

P6_2

L13

111 78

[3]

I; PU I/O

GPIO3[1] — General purpose digital input/output pin.

EMC_CKEOUT1 — SDRAM clock enable 1.

I/O

U0_DIR — RS-485/EIA-485 output enable/direction

control for USART0.

I/O

I2S0_RX_SDA — I2S Receive data. It is driven by

the transmitter and read by the receiver. Corresponds

to the signal SD in the I2S-bus specification.

R — Function reserved.

T2_CAP1 — Capture input 1 of timer 2.

R — Function reserved.

P6_3

P15

113 79

[3]

I; PU I/O

GPIO3[2] — General purpose digital input/output pin.

USB0_PPWR — VBUS drive signal (towards external

charge pump or power management unit); indicates

that the VBUS signal must be driven (active HIGH).

Add a pull-down resistor to disable the power switch

at reset. This signal has opposite polarity compared

to the USB_PPWR used on other NXP LPC parts.

I/O

SGPIO4 — General purpose digital input/output pin.

EMC_CS1 — LOW active Chip Select 1 signal.

R — Function reserved.

T2_CAP2 — Capture input 2 of timer 2.

R — Function reserved.

P6_4

R16

114 80

[3]

I; PU I/O

GPIO3[3] — General purpose digital input/output pin.

CTIN_6 — SCT input 6. Capture input 1 of timer 3.

U0_TXD — Transmitter output for USART0.

EMC_CAS — LOW active SDRAM Column Address

Strobe.

R — Function reserved.

Table 3.

Pin description …continued

LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.

Symbol

Description

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