MKL46Z128VLH4

The KL43 series is optimized for cost-sensitive and battery-powered applications requiring low-power USB connectivity and segment LCD. The product offers: - Low power segment LCD up to 24x8 or 28x4 - USB FS 2.0 device without requiring an external crystal - Embedded ROM with boot loader for flexible program upgrade - High accuracy internal voltage and clock reference - FlexIO to support any standard and customized serial peripheral emulation - Down to 54uA/MHz in very low power run mode and 1.96uA in deep sleep mode (RAM + RTC retained)

Applications

• Cost-sensitive battery-powered devices
• Devices requiring low-power USB connectivity
• Devices with segment LCD

Key features

• ARM Cortex-M0+ core up to 48 MHz
• 128/256 KB program flash memory
• 16/32 KB SRAM
• 16 KB ROM with build-in bootloader
• 32-byte backup register
• 4-channel asynchronous DMA controller
• Watchdog
• Low-leakage wakeup unit
• Two-pin Serial Wire Debug (SWD) programming and debug interface
• Micro Trace Buffer
• Bit manipulation engine
• Interrupt controller
• 48MHz high accuracy (up to 0.5%) internal reference clock
• 8MHz/2MHz high accuracy (up to 3%) internal reference clock
• 1KHz reference clock active under all low-power modes (except VLLS0)
• 32–40KHz and 3–32MHz crystal oscillator
• Segment LCD supporting up to 24x8 or 28x4 segments
• USB full-speed 2.0 device controller supporting crystal-less operation
• One UART module supporting ISO7816, operating up to 1.5 Mbit/s
• Two low-power UART modules supporting asynchronous operation in low-power modes
• Two I2C modules and I2C0 supporting up to 1 Mbit/s
• Two 16-bit SPI modules supporting up to 24 Mbit/s
• One FlexIO module supporting emulation of additional UART, SPI, I2C, I2S, PWM and other serial modules, etc.
• One serial audio interface I2S
• One 16-bit 818 ksps ADC module with high accuracy internal voltage reference (Vref) and up to 16 channels
• High-speed analog comparator containing a 6-bit DAC for programmable reference input
• One 12-bit DAC
• 1.2 V internal voltage reference
• Voltage range: 1.71 to 3.6 V
• Flash write voltage range: 1.71 to 3.6 V
• Temperature range: -40 to 105 ℃
• Down to 54uA/MHz in very low power run mode
• Down to 1.96uA in VLLS3 mode (RAM + RTC retained)
• Six flexible static modes
• One 6-channel Timer/PWM module
• Two 2-channel Timer/PWM modules
• One low-power timer
• Periodic interrupt timer
• Real time clock
• 80-bit unique identification number per chip
• Advanced flash security
• Up to 50 general-purpose input/output pins (GPIO) and 6 high-drive pad