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DSPIC33FJ32GP302TH/SP Datasheet(PDF) 247 Page - Microchip Technology |
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DSPIC33FJ32GP302TH/SP Datasheet(HTML) 247 Page - Microchip Technology |
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247 / 403 page  2009 Microchip Technology Inc. Preliminary DS70292D-page 247 dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04 20.0 DATA CONVERTER INTERFACE (DCI) MODULE 20.1 Module Introduction The dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/ X04, and dsPIC33FJ128GPX02/X04 Data Converter Interface (DCI) module allows simple interfacing of devices, such as audio coder/decoders (Codecs), ADC and D/A converters. The following interfaces are sup- ported: • Framed Synchronous Serial Transfer (Single or Multi-Channel) • Inter-IC Sound (I2S) Interface • AC-Link Compliant mode • The DCI module provides the following general features: • Programmable word size up to 16 bits • Supports up to 16 time slots, for a maximum frame size of 256 bits • Data buffering for up to 4 samples without CPU overhead FIGURE 20-1: DCI MODULE BLOCK DIAGRAM Note 1: This data sheet summarizes the features of the dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, and dsPIC33FJ128GPX02/X04 families of devices. It is not intended to be a compre- hensive reference source. To comple- ment the information in this data sheet, refer to “Section 20. Data Converter Interface (DCI)” (DS70288) of the “dsPIC33F/PIC24H Family Reference Manual”, which is available from the Microchip website (www.microchip.com). 2: Some registers and associated bits described in this section may not be avail- able on all devices. Refer to Section 4.0 “Memory Organization” in this data sheet for device-specific register and bit information. BCG Control bits Sample Rate Generator SCKD FSD DCI Buffer Frame Synchronization Generator Control Unit DCI Shift Register Receive Buffer Registers w/Shadow FOSC/4 Word Size Selection bits Frame Length Selection bits DCI Mode Selection bits CSCK COFS CSDI CSDO 15 0 Transmit Buffer Registers w/Shadow |
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