ST72T141K2B6 IC MCU 8BIT 8KB OTP 32SDIP STMicroelectronics
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Detailed Product Description
Product Details
GENERAL DESCRIPTIONINTRODUCTIONThe ST72141K devices are members of the ST7 microcontroller family designed specifically for motor control applications and including A/D conversion and SPI interface capabilities. They include an on-chip Moter Controller peripheral for control of electric brushless moters with or without sensors. An example application, for 6-step control of a Permanent Magnet DC motor, is shown in Figure 1.
■ Memories– 8K Program memory (ROM/OTP/EPROM)– 256 Bytes RAM ■ Clock, Reset and Supply Management – Enhanced reset system – Low voltage supply supervisor – 3 Power saving modes ■ 14 I/O Ports – 14 multifunctional bidirectional I/O lines with: External interrupt capability (2 vectors), 13 alternate function lines, 3 high sink outputs ■ Motor Control peripheral – 6 PWM output channels – Emergency pin to force outputs to HiZ state – 3 analog inputs for rotor position detection with no need for additional sensors – Comparator for current limitation ■ 3 Timers – Two 16-bit timers with: 2 input captures, 2 output compares, external clock input, PWM and Pulse generator modes – Watchdog timer for system integrity ■ Communications Interface – SPI synchronous serial interface ■ Analog Peripheral – 8-bit ADC with 8 input pins ■ Instruction Set – 8-bit data manipulation – 63 basic instructions – 17 main addressing modes – 8 x 8 unsigned multiply instruction – True bit manipulation ■ Development Tools – Full hardware/software development package
Specifications
DescriptionsST7 ST7 Microcontroller IC 8-Bit 8MHz 8KB (8K x 8) OTP |
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