LPC1786 datasheet(13/120 Pages) NXP

13 / 120 page

LPC178X_7X

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Preliminary data sheet

Rev. 4 — 1 May 2012

13 of 120

NXP Semiconductors

LPC178x/7x

32-bit ARM Cortex-M3 microcontroller

P0[13]

[5]

I/O

P0[13] — General purpose digital input/output pin.

USB_UP_LED2 — USB port 2 GoodLink LED indicator. It is

LOW when the device is configured (non-control endpoints

enabled), or when the host is enabled and has detected a

device on the bus. It is HIGH when the device is not configured,

or when host is enabled and has not detected a device on the

bus, or during global suspend. It transitions between LOW and

HIGH (flashes) when the host is enabled and detects activity on

the bus.

I/O

SSP1_MOSI — Master Out Slave In for SSP1.

ADC0_IN[7] — A/D converter 0, input 7. When configured as an

ADC input, the digital function of the pin must be disabled.

P0[14]

[3]

I/O

P0[14] — General purpose digital input/output pin.

USB_HSTEN2 — Host Enabled status for USB port 2.

I/O

SSP1_SSEL — Slave Select for SSP1.

USB_CONNECT2 — SoftConnect control for USB port 2.

Signal used to switch an external 1.5 k

 resistor under software

control. Used with the SoftConnect USB feature.

P0[15]

128

J16

H13

[3]

I/O

P0[15] — General purpose digital input/output pin.

U1_TXD — Transmitter output for UART1.

I/O

SSP0_SCK — Serial clock for SSP0.

P0[16]

130

J14

H14

[3]

I/O

P0[16] — General purpose digital input/output pin.

U1_RXD — Receiver input for UART1.

I/O

SSP0_SSEL — Slave Select for SSP0.

P0[17]

126

K17

J12

[3]

I/O

P0[17] — General purpose digital input/output pin.

U1_CTS — Clear to Send input for UART1.

I/O

SSP0_MISO — Master In Slave Out for SSP0.

P0[18]

124

K15

J13

[3]

I/O

P0[18] — General purpose digital input/output pin.

U1_DCD — Data Carrier Detect input for UART1.

I/O

SSP0_MOSI — Master Out Slave In for SSP0.

P0[19]

122

L17

J10

[3]

I/O

P0[19] — General purpose digital input/output pin.

U1_DSR — Data Set Ready input for UART1.

SD_CLK — Clock output line for SD card interface.

I/O

I2C1_SDA — I2C1 data input/output (this pin does not use a

specialized I2C pad).

Table 3.

Pin description …continued

Not all functions are available on all parts. See Table 2 (Ethernet, USB, LCD, QEI, SD/MMC, DAC pins) and Table 7 (EMC

pins).

Symbol

Description

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