Freescale Semiconductor, Inc. KM34P144M75SF0 Data Sheet: Technical Data Rev. 2, May 2015 Kinetis KM34 Sub-Family Data MKM34Z256VLL7 MKM34Z256VLQ7 Sheet Enabling high accuracy, secure 1-, 2- & 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- & 3-phase metering designs 100 LQFP 144 LQFP AFE, Security & HMI. Single crystal implementation 14 mm 14 mm Pitch 20 mm 20 mm Pitch Single point of calibration during manufacture 0.5 mm 0.5 mm Highest accuracy metrology with regional feature support Multiple ADCs with PGA Supports neutral disconnect use case Compliance with WELMEC/OIML recommendations Memory & peripheral protection Hardware tamper detect with time stamping Low-power RTC, battery backup with tamper memory Core Memories ARM Cortex -M0+ core up to 75 MHz 256 KB program flash memory Metering specific Memory Mapped Arithmetic Unit 32 KB SRAM (MMAU) Operating Characteristics Clocks Voltage range: 1.71 to 3.6 V (without AFE) 75 MHz high-accuracy internal reference clock Voltage range: 2.7 to 3.6 V (with AFE) 32 kHz, and 4 MHz internal reference clock Temperature range (ambient): 40 to 105 C 1 kHz LPO clock Low power features 32.768 kHz crystal oscillator in iRTC power domain 13 power modes to provide power optimization 1 MHz to 32 MHz crystal oscillator based on application requirements FLL and PLL 7.69 mA 75 MHz run current System peripherals Less than 171 A/MHz very low power run current Memory Protection Unit (MPU) 6.05 A very low power stop current 4-channel DMA controller Down to 220 nA deep sleep current Watchdog and EWM V domain current < 1 A with iRTC operational BAT Low-leakage Wakeup Unit (LLWU) Low-power boot with less than 2.33 mA peak SWD debug interface and Micro Trace Buffer (MTB) current Bit Manipulation Engine (BME) Communication interfaces Inter-peripheral Crossbar Switch (XBAR) 16-bit SPI modules Analog Modules Low-power UART module 4 AFE channels (4 24-bit ADCs with PGA) UART module complying with ISO7816-3 16-channel 16-bit SAR ADC with 4 result registers Basic UART module 2 High-speed analog comparator containing a 6-bit DAC I C with SMBus and programmable reference input Internal 1.2 V reference voltage 1015 ppm/ 20142015 Freescale Semiconductor, Inc. All rights reserved.Timers Security and integrity modules Quad Timer (QTMR) Memory Mapped Cryptographic Acceleration Unit Periodic Interrupt Timer (PIT) (MMCAU) for AES encryption Low Power Timer (LPTMR) Random Number Generator (RNGA), complying Programmable Delay Block (PDB) with NIST: SP800-90 Independent Real Time Clock (iRTC) Programmable Cyclic Redundancy Check (PCRC) 80-bit unique identification number per chip Human-machine interface Up to 460 (856, 658) segment LCD controller operating in all low-power modes General purpose input/output (GPIO) The following figure shows the functional modules in the chip. Accessed by Micro Transfer Buffer (MTB) for trace TCU MMAU MMCAU Serial Serial SRAM S1 Wire Wire (32 KB) MTB Debug Debug MPU (part of PPB) M0 Flash 256 KB S0 Controller Flash Interrupt IOPORT from NVIC (part of PPB) Port P0 Modules Port P1 AIPS eGPIO GPIO ARM Cortex S2 BME (AHB to IPS) (dual port) M0+ Core Pins Multiple DMA DMA 4-ch Requests M2 MUX DMA from IPS Bus Modules Single Ended SAR Channels ADC AHB PIT PCRC I2C Digital Crossbar XBAR PDB x2 RNGA x2 I/Os Switch Comparator CMP Inputs x3 LCD WDOG AFE SIM SMC QTMR SLCD EWM Pins Modulator Clock Dec UART MCG Digital CLK x4, LLWU PMC LPTMR VREF Filter PLL GEN I/Os x4 LPUART IRC 4 MHz OSC OSC RTC Digital SD ADC x4 SPI IRTC MHz 32k POR + PGA x4 x2 I/Os IRC FLL 32 kHz *Refer to Clocking chapter in Reference TAMPER Core, System and SD ADC Channels x4 Analog Front End Manual for more Flash Clocks detailed diagram (AFE) Fine Compensation Clock on MCG. Modules in Modules in Modules in VDDA Domain VBAT Domain VDD Domain Figure 1. Functional block diagram 2 Kinetis KM34 Sub-Family Data Sheet, Rev. 2, May 2015 Freescale Semiconductor, Inc. EXTAL XTAL EXTAL32 XTAL32