LPC2142 datasheet(2/40 Pages) NXP

2 / 40 page

LPC2141_42_44_46_48_4

Product data sheet

Rev. 04 — 17 November 2008

2 of 40

NXP Semiconductors

LPC2141/42/44/46/48

Single-chip 16-bit/32-bit microcontrollers

I Low power Real-Time Clock (RTC) with independent power and 32 kHz clock input.

I Multiple serial interfaces including two UARTs (16C550), two Fast I2C-bus (400 kbit/s),

SPI and SSP with buffering and variable data length capabilities.

I Vectored Interrupt Controller (VIC) with conﬁgurable priorities and vector addresses.

I Up to 45 of 5 V tolerant fast general purpose I/O pins in a tiny LQFP64 package.

I Up to 21 external interrupt pins available.

I 60 MHz maximum CPU clock available from programmable on-chip PLL with settling

time of 100

µs.

I On-chip integrated oscillator operates with an external crystal from 1 MHz to 25 MHz.

I Power saving modes include Idle and Power-down.

I Individual enable/disable of peripheral functions as well as peripheral clock scaling for

additional power optimization.

I Processor wake-up from Power-down mode via external interrupt or BOD.

I Single power supply chip with POR and BOD circuits:

N CPU operating voltage range of 3.0 V to 3.6 V (3.3 V ± 10 %) with 5 V tolerant I/O

pads.

Ordering information

3.1 Ordering options

[1]

While the USB DMA is the primary user of the additional 8 kB RAM, this RAM is also accessible at any time by the CPU as a general

purpose RAM for data and code storage.

Table 1.

Ordering information

Type number

Package

Name

Description

Version

LPC2141FBD64

LQFP64

plastic low proﬁle quad ﬂat package; 64 leads;

body 10

× 10 × 1.4 mm

SOT314-2

LPC2142FBD64

LPC2144FBD64

LPC2146FBD64

LPC2148FBD64

Table 2.

Ordering options

Type number

Flash

memory

RAM

Endpoint

USB RAM

ADC (channels

overall)

DAC

Temperature

range

LPC2141FBD64

32 kB

8 kB

2 kB

1 (6 channels)

−40 °C to +85 °C

LPC2142FBD64

64 kB

16 kB

2 kB

1 (6 channels)

−40 °C to +85 °C

LPC2144FBD64

128 kB

16 kB

2 kB

2 (14 channels)

−40 °C to +85 °C

LPC2146FBD64

256 kB

32 kB + 8 kB shared with

USB DMA[1]

2 kB

2 (14 channels)

−40 °C to +85 °C

LPC2148FBD64

512 kB

32 kB + 8 kB shared with

USB DMA[1]

2 kB

2 (14 channels)

−40 °C to +85 °C

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