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PIC32MX795F512LT-80I/PF датащи(PDF) 145 Page - Microchip Technology |
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PIC32MX795F512LT-80I/PF датащи(HTML) 145 Page - Microchip Technology |
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145 / 256 page ![]() © 2009-2011 Microchip Technology Inc. DS61156G-page 145 PIC32MX5XX/6XX/7XX 18.0 INTER-INTEGRATED CIRCUIT™ (I2C™) The I2C module provides complete hardware support for both Slave and Multi-Master modes of the I2C serial communication standard. Figure 18-1 illustrates the I2C module block diagram. Each I2C module has a 2-pin interface: the SCLx pin is clock and the SDAx pin is data. Each I2C module offers the following key features: •I2C interface supporting both master and slave operation •I2C Slave mode supports 7-bit and 10-bit addressing •I2C Master mode supports 7-bit and 10-bit addressing •I2C port allows bidirectional transfers between master and slaves • Serial clock synchronization for the I2C port can be used as a handshake mechanism to suspend and resume serial transfer (SCLREL control) •I2C supports multi-master operation; detects bus collision and arbitrates accordingly • Provides support for address bit masking Note 1: This data sheet summarizes the features of the PIC32MX5XX/6XX/7XX family of devices. It is not intended to be a comprehensive reference source. To complement the information in this data sheet, refer to Section 24. “Inter- Integrated Circuit™ (I2C™)” (DS61116) in the “PIC32 Family Reference Manual”, which is available from the Microchip web site (www.microchip.com/PIC32). 2: Some registers and associated bits described in this section may not be available on all devices. Refer to Section 4.0 “Memory Organization” in this data sheet for device-specific register and bit information. |
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