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CY8C27143 Datasheet(PDF) 4 Page - Cypress Semiconductor |
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CY8C27143 Datasheet(HTML) 4 Page - Cypress Semiconductor |
4 / 64 page CY8C27143, CY8C27243 CY8C27443, CY8C27543 CY8C27643 Document Number: 38-12012 Rev. *X Page 4 of 64 The digital blocks can be connected to any GPIO through a series of global buses that can route any signal to any pin. The buses also enable signal multiplexing and for performing logic operations. This configurability frees your designs from the constraints of a fixed peripheral controller. Digital blocks are provided in rows of four, where the number of blocks varies by PSoC device family. This lets you the optimum choice of system resources for your application. Family resources are shown in the table titled PSoC Device Characteristics on page 5. Analog System The analog system is composed of 12 configurable blocks, each comprised of an opamp circuit allowing the creation of complex analog signal flows. Analog peripherals are very flexible and can be customized to support specific application requirements. Some of the more common PSoC analog functions (most available as user modules) are as follows: ■ ADCs (up to 4, with 6- to 14-bit resolution, selectable as incremental, delta sigma, and SAR) ■ Filters (2, 4, 6, and 8 pole band pass, low pass, and notch) ■ Amplifiers (up to four, with selectable gain to 48x) ■ Instrumentation amplifiers (up to two, with selectable gain to 93x) ■ Comparators (up to four, with 16 selectable thresholds) ■ DACs (up to four, with 6- to 9-bit resolution) ■ Multiplying DACs (up to four, with 6- to 9-bit resolution) ■ High current output drivers (four with 30 mA drive as a core resource) ■ 1.3-V reference (as a system resource) ■ DTMF dialer ■ Modulators ■ Correlators ■ Peak detectors ■ Many other topologies possible Analog blocks are provided in columns of three, which includes one continuous time (CT) and two switched capacitor (SC) blocks, as shown in the following figure. Figure 2. Analog System Block Diagram ACB00 ACB01 Block Array Array Input Configuration ACI1[1:0] ACI2[1:0] ACB02 ACB03 ASC12 ASD13 ASD22 ASC23 ASD20 ACI0[1:0] ACI3[1:0] P0[6] P0[4] P0[2] P0[0] P2[2] P2[0] P2[6] P2[4] P0[7] P0[5] P0[3] P0[1] P2[3] P2[1] Reference Generators AGNDIn RefIn Bandgap RefHi RefLo AGND ASD11 ASC21 ASC10 Interface to Digital System M8C Interface (Address Bus, Data Bus, Etc.) Analog Reference |
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