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See Technical Specifications

MEC1404-NU

Embedded Controller.

Manufacturer:

Microchip Technology, Inc
Mfr.Part #:

MEC1404-NU
Datasheet:

MEC1404-NU Datasheet (PDF)
Programmable:

Not Verified
Applications:

Keyboard and Embedded Controller
Core Processor:

MIPS32® M14K™
Program Memory Type:

External Program Memory
EDA/CAD Models:

Request Free CAD Models for MEC1404-NU

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MEC1404-NU General Description

TheMEC140X/1X family is a highly-configurable, mixed signal, advanced I/Ocontroller architecture. MEC1404 is a keyboard and embedded controllercustomized for notebooks and tablet platforms. As a cost-effective systemsolution, it incorporates a 32-bit MIPS32 M14K Microcontroller core with128KB of closely-coupled SRAM for code and data that loads from SPIFlash. Designers can leverage the host SPI-flash (used for BIOS storage)for non-volatile EC firmware storage.

Microchip’s MEC14XX family reduces the system bill-of-materials cost byproviding a flexible arrangement that allows multiple I/O signals to beconfigured to support either 3.3V or 1.8V. This eliminates the need forexternal voltage translators The MEC1406 communicates with the system hostthrough Intel Low Pin Count (LPC) or I2C.

All members of the MEC14XX family are pin andregister compatible and are supported by Microchip’s developmenttools. Examples include the MPLAB® XC Compilers, the MPLABREAL ICE™In-Circuit Emulator (part # DV244005), MPLAB ICD 3In-Circuit Debugger (part # DV164035) and PICkit™ 3 Starter Kit(part # DV164130).

Family parts
MEC1404-NU
MEC1404-NU-D0
MEC1404-SZ

Key Features

3.3 V
96K Optimized for Code
32K Optimized for Data
MIPS32® M14K™ MIcrocontroller Core
ACPI 3.0 Compliant
PC2001 Compliant
VTR (standby) and VBAT (Power Planes)
Connected Standby Support
LPC Host Interface
8042 Emulated Keyboard Controller
Secure Boot ROM Loader
System to EC Message Interface
Trace FIFO Debug Port (TFDP)
32-bit RTOS Timer

Microchip Technology, Inc Original Stock

Specifications

Category	Integrated Circuits (ICs)EmbeddedApplication Specific Microcontrollers	Series	-
Programmable	Not Verified	Applications	Keyboard and Embedded Controller
Core Processor	MIPS32® M14K™	Program Memory Type	External Program Memory
Controller Series	-	RAM Size	128KB
Interface	I²C, LPC, SMBus, SPI, UART	Number of I/O	106
Voltage - Supply	1.71V ~ 3.465V	Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount	Base Product Number	MEC1404
Product Category	32-bit Microcontrollers - MCU	Mounting Style	SMD/SMT
Core	MIPS32 M14K	Program Memory Size	128 kB
Data RAM Size	32 kB	Data Bus Width	32 bit
ADC Resolution	10 bit	Maximum Clock Frequency	48 MHz
Number of I/Os	106 I/O	Supply Voltage - Min	1.71 V
Supply Voltage - Max	3.6 V	Minimum Operating Temperature	0 C
Maximum Operating Temperature	+ 70 C	Analog Supply Voltage	3.3 V
DAC Resolution	12 bit	Data RAM Type	SRAM
Data ROM Type	Boot	I/O Voltage	3.3 V
Interface Type	I2C, LPC	Moisture Sensitive	Yes
Number of ADC Channels	8 Channel	Processor Series	MEC14xx
Product	MCU	Product Type	32-bit Microcontrollers - MCU
Factory Pack Quantity	90	Subcategory	Microcontrollers - MCU
Watchdog Timers	Watchdog Timer