High-speed, low-power ARM Cortex-M3 microcontroller simplifies USB designs
The TMPM365 integrates the ARM Cortex-M3 core, a USB device controller, a 12-channel analog-to-digital converter (ADC), on-chip program and data memory, timers and configurable serial connectivity options into a BGA package measuring 9 mm x 9 mm. Maximum processor speed is 48 MHz and an integrated clock generator supports clock gearing of 1/1, 1/2, 1/4 and 1/8. Use of the low-power ARM core and high-efficiency NANOFLASH memory – as well as the availability of IDLE and STOP standby modes – all contribute to low power consumption in target application.
Compliant with USB 2.0, the single-channel USB device controller offers full-speed 12 Mbps operation and supports eight endpoints. The 12-bit ADC offers high-speed 1 µs conversion and can start up from an internal 16-bit timer or external trigger input. On-board memory comprises 256 Kbytes of NANOFLASH ROM, 24 Kbytes of SRAM and Boot ROM. A 2-channel DMA controller supports on-chip and external memory and peripheral I/O.
The TMPM365 incorporates a single-channel watchdog timer and a 10-channel 16-bit timer. Connectivity options include a general-purpose serial interface that can be configured for UART or synchronous mode operation and a 2-channel serial bus interface selectable between I2C and synchronous mode.
Toshiba’s new microcontroller has an input voltage range of 2.7 V to 3.6 V when operating with the on-chip regulator or 3.0 V to 3.45 V when powered via USB. Rated operating temperature is -40 to 85°C.
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