NXP Semiconductors
Data Sheet: Technical Data
KM35P144M75SF0
Rev. 2, March 2020
Kinetis KM35 Sub-Family Data
Sheet
MKM35Z256VLL7
MKM35Z256VLQ7
MKM35Z512VLL7
MKM35Z512VLQ7
Enabling high accuracy, secure 1-, 2- and 3-phase electricity
metering solutions through a powerful analog front end (AFE),
auto-compensated iRTC with hardware tamper detection,
segment LCD controller, rich security protection and multiple low
power features in a 32-bit Arm® Cortex®-M0+ MCU. This product
offers:
• Enabling single-chip 1-, 2- and 3-phase metering designs
• AFE, Security and HMI. Single crystal implementation
• Single point of calibration during manufacture
• Highest accuracy metrology with regional feature support
• Multiple ƩΔ ADCs with PGA
100 LQFP
14 mm × 14 mm Pitch 20 mm × 20 mm Pitch
0.5 mm 0.5 mm
144 LQFP
• Supports neutral disconnect use case
• Compliance with WELMEC/OIML recommendations
• Memory and peripheral protection
• Hardware tamper detect with time stamping
• Low-power RTC, battery backup with tamper memory
Core
• Arm® Cortex®-M0+ core up to 75 MHz
Memories
• Up to 512 KB program flash memory
• Up to 64 KB SRAM
• Metering specific Memory Mapped Arithmetic Unit
(MMAU)
Operating Characteristics
Clocks
• Voltage range: 1.71 to 3.6 V (without AFE)
• Voltage range: 2.7 to 3.6 V (with AFE)
• Temperature range (ambient): –40 to 105 °C
• 75 MHz high-accuracy internal reference clock
• 32 kHz, and 4 MHz internal reference clock
• 1 kHz LPO clock
Low power features
• 32.768 kHz crystal oscillator in iRTC power domain
• 1 MHz to 32 MHz crystal oscillator
• FLL and PLL
• 13 power modes to provide power optimization
based on application requirements
• 8.82 mA @ 75 MHz run current
• Less than 220 μA very low power run current
• 6.05 μA very low power stop current
• Down to 261 nA deep sleep current
• VBAT domain current < 1 μA with iRTC operational
• Low-power boot with less than 2.33 mA peak
current
System peripherals
• Memory Protection Unit (MPU)
• 4-channel DMA controller
• Watchdog and EWM
• Low-leakage Wakeup Unit (LLWU)
• SWD debug interface and Micro Trace Buffer (MTB)
• Bit Manipulation Engine (BME)
• Inter-peripheral Crossbar Switch (XBAR)
Communication interfaces
• 16-bit SPI modules
Analog Modules
• Low-power UART module
• UART module complying with ISO7816-3
• Basic UART module
• 4 AFE channels (4× 24-bit ƩΔ ADCs with PGA)
• 16-channel 16-bit SAR ADC with 4 result registers
• High-speed analog comparator containing a 6-bit DAC
and programmable reference input
• I2C with SMBus
• Internal 1.2 V reference voltage 10–15 ppm/℃
NXP reserves the right to change the production detail specifications as may be
required to permit improvements in the design of its products.