ARM微控制器 - MCU MM MCU
* 32-bit ARM Cortex-M4F Core * Processor version: r0p1 * Up to 200 MHz frequency operation * FPU built-in * Support DSP instructions * Memory protection unit MPU: improves the reliability of an embedded system * Integrated nested vectored interrupt controller NVIC: 1 NMI non-maskable interrupt and 128 peripheral interrupts and 16 priority levels * 24-bit system timer Sys Tick: system timer for OS task management * On-chip Memories * Flash memory This series is based on two independent on-chip flash memories * Up to 2048 Kbytes * Built-in flash accelerator system with 16 Kbytes trace buffer memory * Read access to flash memory that can be achieved without wait-cycle up to an operating frequency of 72 MHz. Even at the operating frequency more than 72 MHz, an equivalent single cycle access to flash memory can be obtained by the flash accelerator system * Security function for code protection * SRAM This is composed of three independent SRAMs SRAM0, SRAM1 and SRAM2. SRAM0 is connected to the I-code bus or D-code bus of Cortex-M4F core. SRAM1 and SRAM2 are connected to system bus of Cortex-M4F core * SRAM0: up to 192 Kbytes * SRAM1: 32 Kbytes * SRAM2: 32 Kbytes * External Bus Interface * Supports SRAM, NOR, NAND flash and SDRAM device * Up to 9 chip selects CS0 to CS8 CS8 is only for SDRAM * 8-/16-/32-bit data width * Up to 25-bit address bus * Supports address/data multiplexing * Supports external RDY function * Supports scramble function * Power Supply * Wide range voltage: Vcc = 2.7 V to 5.5 V * Power supply for USB ch 0 I/O: USBVcc0 = 3.0 V to 3.6 V when USB is used = 2.7 V to 5.5 V when GPIO is used * Power supply for USB ch 1 I/O: USBVCC1 = 3.0 V to 3.6 V when USB is used = 2.7 V to 5.5 V when GPIO is used * Power supply for VBAT: VBAT = 1.65 V to 5.5 V * Package * Plastic: LQFP 0.65-mm pitch, 176 pin * Plastic: LQFP 0.8-mm pitch, 192 pin