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ST92163R4G0V Datasheet(PDF) 10 Page - STMicroelectronics |
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ST92163R4G0V Datasheet(HTML) 10 Page - STMicroelectronics |
10 / 224 page 10/224 ST92163 - GENERAL DESCRIPTION INTRODUCTION (Cont’d) 1.1.5 On-chip Peripherals USB Interface The USB interface provides a full speed USB 1.1 compliant port with embedded transceiver and voltage regulator. Up to 16 endpoints are available supporting up to 8 USB devices. Separate transmit and receive DMA channels are available for each device for fast data transfers with internal RAM. Parallel I/O Ports The ST9 is provided with dedicated lines for input/ output. These lines, grouped into 8-bit ports, can be independently programmed to provide parallel input/output or to carry input/output signals to or from the on-chip peripherals and core. All ports have active pull-ups and pull-down resistors com- patible with TTL loads. In addition pull-ups can be turned off for open drain operation and weak pull- ups can be turned on to save chip resistive pull- ups. Input buffers can be either TTL or CMOS compatible. High Current (10 mA) outputs are available for driving external devices such as LEDs. Multifunction Timer The Multifunction Timer has a 16-bit Up/Down counter supported by two 16-bit compare regis- ters, two 16-bit input capture registers and two DMA channels. Timing resolution can be pro- grammed using an 8-bit prescaler. 12 operating modes allow a range of different timing functions to be easily performed such as complex waveform generatation, measurement or PWM output. 16-bit Timer/Watchdog The Timer/Watchdog peripheral can be used as a watchdog or for a wide range of other timing func- tions such as generating periodic interrupts, meas- uring input signal pulse widths, requesting an in- terrupt after a set number of events. It can also generate a square wave or PWM output signal. Serial Communications Controller The SCI provides a synchronous or asynchronous serial I/O port using two DMA channels. Baud rates and data formats are programmable. Con- troller applications can further benefit from the self test and address wake-up facility offered by the character search mode. I2C Bus Interface The I2C bus is a synchronous serial bus for con- necting multiple devices using a data line and a clock line. Multimaster and slave modes are sup- ported. Data transfer between the bus and memo- ry is performed by DMA. The I2C interface sup- ports 7 and 10-bit addressing. It operates in multi- master or slave mode and supports speeds of up to 400 KHz. Bus events (Bus busy, slave address recognized) and error conditions are automatically flagged in peripheral registers and interrupts are optionally generated. Analog/Digital Converter The ADC provides up to 6 analog inputs with on- chip sample and hold, fast conversion time and 8- bit resolution. Conversion can be triggered by a signal from the Multifunction Timer (MFT). |
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