LPC4370 datasheet(52/150 Pages) NXP

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LPC4370

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Product data sheet

Rev. 2 — 21 October 2013

52 of 150

NXP Semiconductors

LPC4370

32-bit ARM Cortex-M4/M0 microcontroller

Clock pins

CLK0

[5]

EMC_CLK0 — SDRAM clock 0.

CLKOUT — Clock output pin.

R — Function reserved.

I/O

SD_CLK — SD/MMC card clock.

EMC_CLK01 — SDRAM clock 0 and clock 1 combined.

I/O

SSP1_SCK — Serial clock for SSP1.

ENET_TX_CLK (ENET_REF_CLK) — Ethernet Transmit Clock (MII

interface) or Ethernet Reference Clock (RMII interface).

CLK1

T10

[5]

EMC_CLK1 — SDRAM clock 1.

CLKOUT — Clock output pin.

R — Function reserved.

CGU_OUT0 — CGU spare clock output 0.

R — Function reserved.

I2S1_TX_MCLK — I2S1 transmit master clock.

CLK2

D14

[5]

EMC_CLK3 — SDRAM clock 3.

CLKOUT — Clock output pin.

R — Function reserved.

I/O

SD_CLK — SD/MMC card clock.

EMC_CLK23 — SDRAM clock 2 and clock 3 combined.

I2S0_TX_MCLK — I2S transmit master clock.

I/O

I2S1_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.

CLK3

P12

[5]

EMC_CLK2 — SDRAM clock 2.

CLKOUT — Clock output pin.

R — Function reserved.

CGU_OUT1 — CGU spare clock output 1.

R — Function reserved.

I/O

I2S1_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.

Debug pins

DBGEN

[3]

JTAG interface control signal. Also used for boundary scan.

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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