ARM Cortex-M3 micros combine 1MByte Flash with many connectivity options

ARM Cortex-M3 micros combine 1MByte Flash with many connectivity options

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By eeNews Europe

All of the new devices feature 1Mbyte of Flash memory, 64Kbytes of on-chip RAM and a static memory controller (SMC) with a 16-bit external data bus that supports the addition of an additional 16Mbytes of off-chip memory. On-board functionality includes an 8- or 16-channel 10-bit ADC, a real-time clock, a 16-bit timer and a watchdog timer. In addition, a consumer electronics control unit and a remote control signal pre-processor simplify the implementation of designs requiring remote control functionality.

The TMPM361 and TMPM363 microcontrollers both offer 5-channel general-purpose serial I/O (SIO) and 3-channel serial bus interface (SBI) connectivity. The TMPM362 and TMPM364 have 12 channels and five channels respectively. A third SBI channel on both the TMPM361 and TMPM363 can be configured for I2C, while CAN and USB interfaces are built into the TMPM363 and TMPM364.

All of the micros provide a synchronous serial bus interface (SSP) that supports SPI, SSI and Microwire formats. Compatible with supply voltages of between 2.7V and 3.6V, Toshiba’s TMPM36x microcontrollers operate with a maximum operating frequency of 64MHz. Designed to keep power consumption to a minimum each device offers ‘idle’, ‘sleep’ and ‘stop’ standby modes as well as a backup module (BUPMD) that can shut down all but the key functions. 

The TMPM361 and TMPM363 are supplied in 100-pin, 14x14mm LQFP packages, have eight dedicated inputs and provide 68 and 66 I/Os respectively. The TMPM362 and TMPM364 feature a 20x20mm 144-pin packaging, respective I/Os of 104 and 66 and up to 16 dedicated inputs.

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