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Select all	Attribute	Value
	Brand	Microchip
	Family Name	MEC142
	Package Type	TQFP
	Mounting Type	Surface Mount
	Pin Count	128
	Device Core	MIPS32 M14K
	Data Bus Width	32bit
	Program Memory Size	192 kB
	Maximum Frequency	33MHz
	RAM Size	32 kB
	USB Channels	0
	Number of SPI Channels	0
	Number of USART Channels	0
	Number of I2C Channels	1
	Typical Operating Supply Voltage	3 → 3.6 V
	Number of UART Channels	0
	Number of Ethernet Channels	0
	Number of PCI Channels	0
	Program Memory Type	SRAM
	Minimum Operating Temperature	-40 °C
	Maximum Operating Temperature	+85 °C
	Number of ADC Units	1
	Length	14.2mm
	Instruction Set Architecture	RISC
	Maximum Number of Ethernet Channels	0
	ADCs	8 x 10 bit
	Height	1.05mm
	Width	14.2mm
	Dimensions	14.2 x 14.2 x 1.05mm
	Number of LIN Channels	0

	Select all
	Brand Microchip
	Family Name MEC142
	Package Type TQFP
	Mounting Type Surface Mount
	Pin Count 128
	Device Core MIPS32 M14K
	Data Bus Width 32bit
	Program Memory Size 192 kB
	Maximum Frequency 33MHz
	RAM Size 32 kB
	USB Channels 0
	Number of SPI Channels 0
	Number of USART Channels 0
	Number of I2C Channels 1
	Typical Operating Supply Voltage 3 → 3.6 V
	Number of UART Channels 0
	Number of Ethernet Channels 0
	Number of PCI Channels 0
	Program Memory Type SRAM
	Minimum Operating Temperature -40 °C
	Maximum Operating Temperature +85 °C
	Number of ADC Units 1
	Length 14.2mm
	Instruction Set Architecture RISC
	Maximum Number of Ethernet Channels 0
	ADCs 8 x 10 bit
	Height 1.05mm
	Width 14.2mm
	Dimensions 14.2 x 14.2 x 1.05mm
	Number of LIN Channels 0

Datasheet

COO (Country of Origin):: US

The MEC1428 is the latest member of the MEC14XX family and adds a new level of design functionality for computing engineers by adding Slave Attached Flash (SAF), which is an optimal solution for USB Type-C™ power delivery. The MEC1428 device is pin and register compatible with the MEC140X and MEC141X families, which allows designers to easily add eSPI and additional features and have more flexibility in their designs. The MEC1428 retains eSPI Master Attached Flash (MAF) capability.

MIPS32® M14K™ Microcontroller Core
Enhanced Serial Peripheral Interface (eSPI) or LPC Host Interface
Supports Slave Attached Flash Sharing (SAFS)
VTR (standby) and VBAT (Power Planes)
Connected Standby Support
8042 Emulated Keyboard Controller
Secure Boot ROM Loader
System to EC Message Interface
Trace FIFO Debug Port (TFDP)
32-bit RTOS Timer

Units	Per Unit	Per Pack*
5 - 20	MYR22.452	MYR112.26
25 - 40	MYR21.984	MYR109.92
45 +	MYR21.324	MYR106.62

Microchip, 32bit MIPS32 M14K, MEC142 Microcontroller, 33MHz, 192 kB SRAM, 128-Pin TQFP

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