LPC1850 datasheet(14/84 Pages) NXP

14 / 84 page

LPC1850_30_20_10

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Objective data sheet

Rev. 1 — 3 January 2011

14 of 84

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

P5_6[2]

T13

I; PU

I/O

GPIO2[15] — General purpose digital input/output pin.

MCOB1 — Motor control PWM channel 1, output B.

I/O

EXTBUS_D10 — External memory data line 10.

-n.c.

P5_7[2]

R12

I; PU

I/O

GPIO2[7] — General purpose digital input/output pin.

MCOA2 — Motor control PWM channel 2, output A.

I/O

EXTBUS_D11 — External memory data line 11.

-n.c.

P6_0

M12

<tbd>

I/O

I2S_RX_SCK — Receive Clock. It is driven by the master and received by the

slave. Corresponds to the signal SCK in the I2S-bus specification.

I2S_RX_MCLK — I2S receive master clock.

-n.c.

P6_1[2]

R15

I; PU

I/O

GPIO3[0] — General purpose digital input/output pin.

EXTBUS_DYCS1 — SDRAM chip select 1.

I/O

U0_UCLK — Serial clock input/output for USART0 in synchronous mode.

I/O

I2S_RX_WS — Receive Word Select. It is driven by the master and received

by the slave. Corresponds to the signal WS in the I2S-bus specification.

P6_2[2]

L13

I; PU

I/O

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

EXTBUS_CKEOUT1 — SDRAM clock enable 1.

I/O

U0_DIR — RS-485/EIA-485 output enable/direction control for USART0.

I/O

I2S_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.

P6_3[2]

P15

I; PU

I/O

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

USB0_PWR_EN — VBUS drive signal (towards external charge pump or

power management unit); indicates that Vbus must be driven (active high).

-n.c.

EXTBUS_CS1 — LOW active Chip Select 1 signal.

P6_4[2]

R16

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.

EXTBUS_CAS — LOW active SDRAM Column Address Strobe.

P6_5[2]

P16

I; PU

I/O

GPIO3[4] — General purpose digital input/output pin.

CTOUT_6 — SCT output 6. Match output 2 of timer 1.

U0_RXD — Receiver input for USART0.

EXTBUS_RAS — LOW active SDRAM Row Address Strobe.

Table 3.

Pin description …continued

Symbol

Reset

state

[1]

Type Description

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