LPC1125 microcontroller Datasheet

LPC1125 Datasheet PDF, Equivalent


Part Number

LPC1125

Description

32-bit ARM Cortex-M0 microcontroller

Manufacture

NXP

Total Page 30 Pages
Datasheet
Download LPC1125 Datasheet


LPC1125
LPC112x
32-bit ARM Cortex-M0 microcontroller; 64 kB flash and 8 kB
SRAM; 12-bit ADC
Rev. 1 — 24 February 2015
Product data sheet
1. General description
The LPC112x are a ARM Cortex-M0 based, low-cost 32-bit MCU family, designed for
8/16-bit microcontroller applications, offering performance, low power, simple instruction
set and memory addressing together with reduced code size compared to existing 8/16-bit
architectures.
The LPC112x operate at CPU frequencies of up to 50 MHz.
The peripheral complement of the LPC112x includes 64 kB of flash memory, 8 kB of data
memory, one Fast-mode Plus I2C-bus interface, three RS-485/EIA-485 UARTs, two SSP
interfaces, four general purpose counter/timers, a 12-bit ADC, and up to 38 general
purpose I/O pins.
2. Features and benefits
System:
ARM Cortex-M0 processor, running at frequencies of up to 50 MHz.
ARM Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC).
Non-Maskable Interrupt (NMI) input selectable from several input sources.
Serial Wire Debug.
System tick timer.
Memory:
64 kB on-chip flash programming memory.
256 byte page erase function.
8 kB SRAM.
In-System Programming (ISP) and In-Application Programming (IAP) via on-chip
bootloader software.
Digital peripherals:
Up to 38 General Purpose I/O (GPIO) pins with configurable pull-up/pull-down
resistors. A configurable open-drain mode is supported.
GPIO pins can be used as edge and level sensitive interrupt sources.
High-current output driver (20 mA) on one pin.
High-current sink drivers (20 mA) on two I2C-bus pins in Fast-mode Plus.
Four general purpose counter/timers with up to six capture inputs and up to 13
match outputs.
Programmable windowed WDT.
Analog peripherals:
12-bit ADC with 2 Msamples/s and eight channels.

LPC1125
NXP Semiconductors
LPC112x
32-bit ARM Cortex-M0 microcontroller
Serial interfaces:
Three UARTs with fractional baud rate generation, internal FIFO, and RS-485
support. One UART with modem control.
Two SSP controllers 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.
Clock generation:
12 MHz internal RC oscillator trimmed to 1 % accuracy for 25 C Tamb +85 C
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 9.4 kHz to 2.3 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 clock, IRC
clock, CPU clock, and the Watchdog clock.
Power control:
Integrated PMU (Power Management Unit) to minimize power consumption during
Sleep, Deep-sleep, and Deep power-down modes.
Power profiles residing in boot ROM allowing to optimize performance and
minimize power consumption for any given application through one simple function
call.
Three reduced power modes: Sleep, Deep-sleep, and Deep power-down.
Processor wake-up from Deep-sleep mode via a dedicated start logic using up to
13 of the functional pins.
Power-On Reset (POR).
Brownout detect with up to four separate thresholds for interrupt and forced reset.
Unique device serial number for identification.
Single power supply (1.8 V to 3.6 V).
Available as LQFP48 package.
3. Applications
eMetering
Alarm systems
Lighting
White goods
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
LPC1125JBD48/303
LQFP48
LPC1124JBD48/303
LQFP48
Description
Version
LQFP48: plastic low profile quad flat package; 48 leads; body 7 7 SOT313-2
1.4 mm
LQFP48: plastic low profile quad flat package; 48 leads; body 7 7 SOT313-2
1.4 mm
LPC112x
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1. — 24 February 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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Features LPC112x 32-bit ARM Cortex-M0 microcontr oller; 64 kB flash and 8 kB SRAM; 12-bi t ADC Rev. 1 — 24 February 2015 Pro duct data sheet 1. General description The LPC112x are a ARM Cortex-M0 based, low-cost 32-bit MCU family, designed f or 8/16-bit microcontroller application s, offering performance, low power, sim ple instruction set and memory addressi ng together with reduced code size comp ared to existing 8/16-bit architectures . The LPC112x operate at CPU frequencie s of up to 50 MHz. The peripheral compl ement of the LPC112x includes 64 kB of flash memory, 8 kB of data memory, one Fast-mode Plus I2C-bus interface, three RS-485/EIA-485 UARTs, two SSP interfac es, four general purpose counter/timers , a 12-bit ADC, and up to 38 general pu rpose I/O pins. 2. Features and benefit s  System:  ARM Cortex-M0 process or, running at frequencies of up to 50 MHz.  ARM Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC). Non-Maskable Interrupt (NMI) input selectable from several input sourc.
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