KM3x 32-bit Microcontrollers

NXP Semiconductors KM3x 32-bit Microcontrollers are precision metrology MCUs with segment LCDs and are based on the Arm® Cortex®-M0+ core. These modules provide a cost-effective and highly integrated solution for single-chip one-, two-, and three-phase electricity meters that require powerful 32-bit processing capability, precision-analog, security, and HMI functionality. These KM3x microcontrollers from NXP provide security with active and passive tamper detection with time stamping and support high-precision internal voltage reference with low-temperature drift. The comprehensive enablement suite includes reference designs. Typical applications for the KM3x series include energy meters, industrial measurement and sensing, and flow meters, such as heat, water, and gas.

Results: 28
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Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
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NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM34: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 100-LQFP,
Datasheet
438In Stock
Min.: 1
Mult.: 1

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM34: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 32KB SRAM, Segment LCD, 144-LQFP
Datasheet
297In Stock
Min.: 1
Mult.: 1

KM3x SMD/SMT LQFP-144 ARM Cortex M0+ 256 kB 32 bit 16 bit 75 MHz 99 I/O 32 kB 1.71 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 64-LQFP
Datasheet
525In Stock
Min.: 1
Mult.: 1

KM3x SMD/SMT LQFP-64 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 38 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM34: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 32KB SRAM, Segment LCD, 100-LQFP
Datasheet
157In Stock
Min.: 1
Mult.: 1

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 256 kB 32 bit 16 bit 75 MHz 72 I/O 32 kB 1.71 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 512KB Flash, 64KB SRAM, Segment LCD, 100-LQFP
Datasheet
171In Stock
Min.: 1
Mult.: 1

KM35 SMD/SMT LQFP-100 ARM Cortex M0+ 512 kB 32 bit 16 bit, 24 bit 75 MHz 72 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU 50MHz Cortex-M0+ Metrology MCU
Datasheet
1,000In Stock
Min.: 1
Mult.: 1
: 1,000

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM34: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 32KB SRAM, Segment LCD, 100-LQFP
Datasheet
1,000In Stock
Min.: 1
Mult.: 1
: 1,000

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 256 kB 32 bit 16 bit 75 MHz 72 I/O 32 kB 3.3 V 3.3 V - 40 C + 105 C Reel, Cut Tape
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 64KB Flash, 16KB SRAM, Segment LCD, 64-LQFP
Datasheet
1,500In Stock
Min.: 1
Mult.: 1
: 1,500

KM3x SMD/SMT LQFP-64 ARM Cortex M0+ 64 kB 32 bit 24 bit 50 MHz 38 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 64KB SRAM, Segment LCD, 100-LQFP
Datasheet
55In Stock
Min.: 1
Mult.: 1

KM35 SMD/SMT LQFP-100 ARM Cortex M0+ 256 kB 32 bit 16 bit, 24 bit 75 MHz 72 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 512KB Flash, 64KB SRAM, Segment LCD, 100-LQFP
Datasheet
1,000In Stock
Min.: 1
Mult.: 1
: 1,000

KM35 SMD/SMT LQFP-100 ARM Cortex M0+ 512 kB 32 bit 16 bit, 24 bit 75 MHz 72 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Reel, Cut Tape
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 512KB Flash, 64KB SRAM, Segment LCD, 144-LQFP
Datasheet
60In Stock
Min.: 1
Mult.: 1

KM35 SMD/SMT LQFP-144 ARM Cortex M0+ 512 kB 32 bit 16 bit, 24 bit 75 MHz 99 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 64-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

KM3x SMD/SMT LQFP-64 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 38 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Reel
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 64KB SRAM, Segment LCD, 100-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

KM35 SMD/SMT LQFP-100 ARM Cortex M0+ 256 kB 32 bit 16 bit, 24 bit 75 MHz 72 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Reel
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 64KB SRAM, Segment LCD, 144-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

KM35 SMD/SMT LQFP-144 ARM Cortex M0+ 256 kB 32 bit 16 bit, 24 bit 75 MHz 99 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Tray
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 256KB Flash, 64KB SRAM, Segment LCD, 144-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 500
Mult.: 500
: 500

KM35 SMD/SMT LQFP-144 ARM Cortex M0+ 256 kB 32 bit 16 bit, 24 bit 75 MHz 99 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Reel
NXP Semiconductors ARM Microcontrollers - MCU KM35: 75MHz Cortex-M0+ Metrology MCU, 512KB Flash, 64KB SRAM, Segment LCD, 144-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 500
Mult.: 500
: 500

KM35 SMD/SMT LQFP-144 ARM Cortex M0+ 512 kB 32 bit 16 bit, 24 bit 75 MHz 99 I/O 64 kB 1.71 V 3.6 V - 40 C + 105 C Reel
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 100-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis M0+ 128K 16K RAM
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 800
Mult.: 800

KM3x SMD/SMT LQFP-64 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 38 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 64KB Flash, 16KB SRAM, Segment LCD, 64-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

KM3x SMD/SMT LQFP-64 ARM Cortex M0+ 64 kB 32 bit 24 bit 50 MHz 38 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 64KB Flash, 16KB SRAM, Segment LCD, 100LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 450
Mult.: 450

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 64 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 64KB Flash, 16KB SRAM, Segment LCD, 64-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 800
Mult.: 800

KM3x SMD/SMT LQFP-64 ARM Cortex M0 64 kB 32 bit 24 bit 50 MHz 38 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM34: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 100-LQFP,
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 1,000

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape
NXP Semiconductors ARM Microcontrollers - MCU Kinetis M0+ 128K 16K RAM
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 450
Mult.: 450

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 128KB Flash, 16KB SRAM, Segment LCD, 100-LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 450
Mult.: 450

KM3x SMD/SMT LQFP-100 ARM Cortex M0+ 128 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors ARM Microcontrollers - MCU Kinetis KM33: 50MHz Cortex-M0+ Metrology MCU, 64KB Flash, 16KB SRAM, Segment LCD, 100LQFP
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 450
Mult.: 450

KM3x SMD/SMT ARM Cortex M0+ 64 kB 32 bit 24 bit 50 MHz 68 I/O 16 kB 1.71 V 3.6 V - 40 C + 85 C Tray