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AT83SND2CMP3 Datasheet(PDF) 6 Page - ATMEL Corporation |
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AT83SND2CMP3 Datasheet(HTML) 6 Page - ATMEL Corporation |
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6 / 98 page  6 AT83SND2CMP3 7524D–MP3–07/07 Table 4. Audio Interface Signal Description Table 5. USB Controller Signal Description Table 6. MutiMediaCard Interface Signal Description INT1 I Timer 1 Gate Input INT1 serves as external run control for timer 1, when selected by GATE1 bit in TCON register. External Interrupt 1 INT1 input sets IE1 in the TCON register. If bit IT1 in this register is set, bit IE1 is set by a falling edge on INT1#. If bit IT1 is cleared, bit IE1 is set by a low level on INT1#. P3.3 T0 I Timer 0 External Clock Input When timer 0 operates as a counter, a falling edge on the T0 pin increments the count. P3.4 T1 I Timer 1 External Clock Input When timer 1 operates as a counter, a falling edge on the T1 pin increments the count. P3.5 Signal Name Type Description Alternate Function DCLK O DAC Data Bit Clock - DOUT O DAC Audio Data Output - DSEL O DAC Channel Select Signal DSEL is the sample rate clock output. - SCLK O DAC System Clock SCLK is the oversampling clock synchronized to the digital audio data (DOUT) and the channel selection signal (DSEL). - Signal Name Type Description Alternate Function D+ I/O USB Positive Data Upstream Port This pin requires an external 1.5 KΩ pull-up to V DD for full speed operation. - D- I/O USB Negative Data Upstream Port - Signal Name Type Description Alternate Function MCLK O MMC Clock output Data or command clock transfer. - MCMD I/O MMC Command line Bidirectional command channel used for card initialization and data transfer commands. To avoid any parasitic current consumption, unused MCMD input must be polarized to VDD or VSS. - MDAT I/O MMC Data line Bidirectional data channel. To avoid any parasitic current consumption, unused MDAT input must be polarized to V DD or VSS. - Signal Name Type Description Alternate Function |
Similar Part No. - AT83SND2CMP3_14 |
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Similar Description - AT83SND2CMP3_14 |
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