LPC4088 datasheet(36/123 Pages) NXP

36 / 123 page

LPC408X_7X

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Objective data sheet

Rev. 1 — 17 September 2012

36 of 123

NXP Semiconductors

LPC408x/7x

32-bit ARM Cortex-M4 microcontroller

P4[31]

193

134

[3]

I; PU I/O

P4[31] — General purpose digital input/output pin.

EMC_CS1 — LOW active Chip Select 1 signal.

P5[0] to P5[4]

I/O

Port 5: Port 5 is a 5-bit I/O port with individual direction

controls for each bit. The operation of port 5 pins

depends upon the pin function selected via the pin

connect block.

P5[0]

[3]

I; PU I/O

P5[0] — General purpose digital input/output pin.

I/O

EMC_A[24] — External memory address line 24.

I/O

SSP2_MOSI — Master Out Slave In for SSP2.

T2_MAT2 — Match output for Timer 2, channel 2.

P5[1]

30J4

21-

[3]

I; PU I/O

P5[1] — General purpose digital input/output pin.

I/O

EMC_A[25] — External memory address line 25.

I/O

SSP2_MISO — Master In Slave Out for SSP2.

T2_MAT3 — Match output for Timer 2, channel 3.

P5[2]

117

L14

L12

[11]

II/O

P5[2] — General purpose digital input/output pin.

R — Function reserved.

T3_MAT2 — Match output for Timer 3, channel 2.

R — Function reserved.

I/O

I2C0_SDA — I2C0 data input/output (this pin uses a

specialized I2C pad that supports I2C Fast Mode Plus).

P5[3]

141

G14

G10

[11]

II/O

P5[3] — General purpose digital input/output pin.

R — Function reserved.

U4_RXD — Receiver input for USART4.

I/O

I2C0_SCL — I2C0 clock input/output (this pin uses a

specialized I2C pad that supports I2C Fast Mode Plus.

P5[4]

206

143

[3]

I; PU I/O

P5[4] — General purpose digital input/output pin.

U0_OE — RS-485/EIA-485 output enable signal for

UART0.

R — Function reserved.

T3_MAT3 — Match output for Timer 3, channel 3.

U4_TXD — Transmitter output for USART4 (input/output

in smart card mode).

JTAG_TDO

(SWO)

2D3

[3]

Test Data Out for JTAG interface. Also used as Serial

wire trace output.

JTAG_TDI

[3]

Test Data In for JTAG interface.

Table 3.

Pin description …continued

Not all functions are available on all parts. See Table 2 (Ethernet, USB, LCD, QEI, SD/MMC, comparator pins) and Table 5

(EMC pins).

Symbol

Description

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