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STM32F732IE Datasheet(PDF) 40 Page - STMicroelectronics |
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STM32F732IE Datasheet(HTML) 40 Page - STMicroelectronics |
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40 / 226 page  Functional overview STM32F732xx STM32F733xx 40/226 DS11854 Rev 6 • System management bus (SMBus) specification rev 2.0 compatibility: – Hardware PEC (packet error checking) generation and verification with ACK control – Address resolution protocol (ARP) support – SMBus alert • Power system management protocol (PMBusTM) specification rev 1.1 compatibility • Independent clock: a choice of independent clock sources allowing the I2C communication speed to be independent from the PCLK reprogramming. • Programmable analog and digital noise filters • 1-byte buffer with DMA capability 3.22 Universal synchronous/asynchronous receiver transmitters (USART) The devices embed USARTs. Refer to Table 8: USART implementation for the features implementation. The universal synchronous asynchronous receiver transmitter (USART) offers a flexible means of full-duplex data exchange with external equipment requiring an industry standard NRZ asynchronous serial data format. The USART peripheral supports: • Full-duplex asynchronous communications • Configurable oversampling method by 16 or 8 to give flexibility between speed and clock tolerance • Dual clock domain allowing convenient baud rate programming independent from the PCLK reprogramming • A common programmable transmit and receive baud rate of up to 27 Mbit/s when USART clock source is system clock frequency (max is 216 MHz) and oversampling by eight is used. • Auto baud rate detection • Programmable data word length (7 or 8 or 9 bits) word length • Programmable data order with MSB-first or LSB-first shifting • Programmable parity (odd, even, no parity) Table 7. I2C implementation I2C features(1) 1. X: supported. I2C1 I2C2 I2C3 Standard-mode (up to 100 kbit/s) X X X Fast-mode (up to 400 kbit/s) X X X Fast-mode Plus with 20 mA output drive I/Os (up to 1 Mbit/s) X X X Programmable analog and digital noise filters X X X SMBus/PMBus hardware support X X X Independent clock X X X |
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