LPC11C12 datasheet(2/49 Pages) NXP

2 / 49 page

LPC11C12_C14_0

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Preliminary data sheet

Rev. 00.05 — 6 May 2010

2 of 49

NXP Semiconductors

LPC11C12/C14

Serial interfaces:

UART with fractional baud rate generation, internal FIFO, and RS-485 support.

Two SPI controllers with SSP features and with FIFO and multi-protocol

capabilities.

I2C-bus interface supporting full I2C-bus specification and Fast-mode Plus with a

data rate of 1 Mbit/s with multiple address recognition and monitor mode.

C_CAN controller. On-chip C_CAN drivers included.

Clock generation:

12 MHz internal RC oscillator trimmed to 1 % accuracy that can optionally be used

as a system clock.

Crystal oscillator with an operating range of 1 MHz to 25 MHz.

Programmable watchdog oscillator with a frequency range of 7.8 kHz to 1.8 MHz.

PLL allows CPU operation up to the maximum CPU rate without the need for a

high-frequency crystal. May be run from the system oscillator or the internal RC

oscillator.

Clock output function with divider that can reflect the system oscillator, IRC, CPU

clock, or the Watchdog clock.

Power control:

Integrated PMU (Power Management Unit) to minimize power consumption during

Sleep, Deep-sleep, and Deep power-down modes.

Three reduced power modes: Sleep, Deep-sleep, and Deep power-down.

Processor wake-up from Deep-sleep mode via a dedicated start logic using 13 of

the GPIO pins.

Power-On Reset (POR).

Brownout detect with four separate thresholds for interrupt and forced reset.

Unique device serial number for identification.

Single 3.3 V power supply (1.8 V to 3.6 V).

Available as 48-pin LQFP package.

Applications

Ordering information

eMetering

Industrial and sensor based networks

Elevator systems

White goods

Table 1.

Ordering information

Type number

Package

Name

Description

Version

LPC11C12FBD48/301

LQFP48

LQFP48: plastic low profile quad flat package; 48 leads; body 7

× 7 ×

1.4 mm

sot313-2

LPC11C14FBD48/301

LQFP48

LQFP48: plastic low profile quad flat package; 48 leads; body 7

× 7 ×

1.4 mm

sot313-2

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