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MB90480B Datasheet(PDF) 41 Page - Fujitsu Component Limited. |
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MB90480B Datasheet(HTML) 41 Page - Fujitsu Component Limited. |
41 / 124 page MB90480B/485B Series DS07-13722-11E 41 4. 8/10-bit A/D Converter The A/D converter converts analog input voltage to digital values, and provides the following features. • Conversion time : minimum 3.68 μs per channel (92 machine cycles at 25 MHz machine clock, including sampling time) • Sampling time : minimum 1.92 μs per channel (48 machine cycles at 25 MHz machine clock) • RC sequential comparison conversion method, with sample & hold circuit. • 8-bit or 10-bit resolution • Analog input selection of 8 channels Single conversion mode : Conversion from one selected channel. Scan conversion mode : Conversion from multiple consecutive channels, programmable selection of up to 8 channels. Continuous conversion mode : Repeated conversion of specified channels. Stop conversion mode : Conversion from one channel followed by a pause until the next activation allows to synchronize with conversion start. • At the end of A/D conversion, an A/D conversion completed interrupt request can be generated to the CPU. The interrupt can be used activate the μDMAC in order to transfer the results of A/D conversion to memory for efficient continuous processing. • The starting factor conversion may be selected from software, external trigger (falling edge) , or timer (rising edge) . (1) Register List ADCS2, ADCS1 (Control status register) ADCR2, ADCR1 (Data register) ADCS1 Address : 000046H ← Initial value ← Bit attributes ADCS2 Address : 000047H ← Initial value ← Bit attributes ADCR1 Address : 000048H ← Initial value ← Bit attributes ADCR2 Address : 000049H ← Initial value ← Bit attributes 0 R/W 0 R/W 0 R/W 0 R/W 0 R/W 0 R/W 0 R/W 76 5 4 3 2 1 0 MD0 0 R/W MD1 ANS2 ANS1 ANS0 ANE2 ANE1 ANE0 0 R/W 0 R/W 0 R/W 0 R/W 0 R/W 0 W 0 R/W 15 14 13 12 11 10 9 8 INT 0 R/W BUSY INTE PAUS STS1 STS0 STRT Reserved X R X R X R X R X R X R X R 76 5 4 3 2 1 0 D6 X R D7 D5 D4 D3 D2 D1 D0 0 W 0 W 0 W 0 W X R X R X R 15 14 13 12 11 10 9 8 ST1 0 W S10 ST0 CT1 CT0 ⎯ D9 D8 |
Similar Part No. - MB90480B_10 |
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Similar Description - MB90480B_10 |
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