LPC1850 datasheet(8/84 Pages) NXP

8 / 84 page

LPC1850_30_20_10

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Objective data sheet

Rev. 1 — 3 January 2011

8 of 84

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

P1_9[2]

I; PU

I/O

GPIO1[2] — General purpose digital input/output pin.

U1_RTS — Request to Send output for UART1.

CTOUT_11 — SCT output 11. Match output 3 of timer 2.

I/O

EXTBUS_D2 — External memory data line 2.

P1_10[2]

I; PU

I/O

GPIO1[3] — General purpose digital input/output pin.

U1_RI — Ring Indicator input for UART1.

CTOUT_14 — SCT output 14. Match output 2 of timer 3.

I/O

EXTBUS_D3 — External memory data line 3.

P1_11[2]

I; PU

I/O

GPIO1[4] — General purpose digital input/output pin.

U1_CTS — Clear to Send input for UART1.

CTOUT_15 — SCT output 15. Match output 3 of timer 3.

I/O

EXTBUS_D4 — External memory data line 4.

P1_12[2]

I; PU

I/O

GPIO1[5] — General purpose digital input/output pin.

U1_DCD — Data Carrier Detect input for UART1.

-n.c.

I/O

EXTBUS_D5 — External memory data line 5.

P1_13[2]

R10

I; PU

I/O

GPIO1[6] — General purpose digital input/output pin.

U1_TXD — Transmitter output for UART1.

-n.c.

I/O

EXTBUS_D6 — External memory data line 6.

P1_14[2]

R11

I; PU

I/O

GPIO1[7] — General purpose digital input/output pin.

U1_RXD — Receiver input for UART1.

-n.c.

I/O

EXTBUS_D7 — External memory data line 7.

P1_15[2]

T12

I; PU

I/O

GPIO0[2] — General purpose digital input/output pin.

U2_TXD — Transmitter output for UART2.

-n.c.

ENET_RXD0 — Ethernet receive data 0 (RMII/MII interface).

P1_16[2]

I; PU

I/O

GPIO0[3] — General purpose digital input/output pin.

U2_RXD — Receiver input for UART2.

-n.c.

ENET_CRS (ENET_CRS_DV) — Ethernet Carrier Sense (MII interface) or

Ethernet Carrier Sense/Data Valid (RMII interface).

P1_17[2]

I; PU

I/O

GPIO0[12] — General purpose digital input/output pin.

I/O

U2_UCLK — Serial clock input/output for UART2 in synchronous mode.

-n.c.

I/O

ENET_MDIO — Ethernet MIIM data input and output.

Table 3.

Pin description …continued

Symbol

Reset

state

[1]

Type Description

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