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CY8C21434-24LQXI Datasheet(PDF) 8 Page - Cypress Semiconductor |
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CY8C21434-24LQXI Datasheet(HTML) 8 Page - Cypress Semiconductor |
8 / 50 page CY8C21634, CY8C21534, CY8C21434 CY8C21334, CY8C21234 Document Number: 38-12025 Rev. *Y Page 8 of 50 Pin Information The CY8C21x34 PSoC device is available in a variety of packages which are listed in the following tables. Every port pin (labeled with a “P”) is capable of Digital I/O and connection to the common analog bus. However, VSS, VDD, SMP, and XRES are not capable of Digital I/O. 16-pin Part Pinout Figure 3. CY8C21234 16-pin PSoC Device SOIC VDD P0[6], A, I, M P0[4], A, I, M P0[2], A, I, M P0[0], A, I, M P1[4], EXTCLK, M P1[2], M P1[0], I2C SDA, M 16 15 14 13 12 11 1 2 3 4 5 6 7 8 A, I, M, P0[7] A, I, M, P0[5] A, I, M, P0[3] A, I, M, P0[1] SMP VSS M, I2C SCL, P1[1] VSS 10 9 Pin Definitions CY8C21234 16-pin SOIC Pin No. Type Name Description Digital Analog 1 I/O I, M P0[7] Analog column mux input 2 I/O I, M P0[5] Analog column mux input 3 I/O I, M P0[3] Analog column mux input, integrating input 4 I/O I, M P0[1] Analog column mux input, integrating input 5 Power SMP Switch-mode pump (SMP) connection to required external components 6 Power VSS Ground connection 7 I/O M P1[1] I2C serial clock (SCL), ISSP-SCLK[3] 8 Power VSS Ground connection 9 I/O M P1[0] I2C serial data (SDA), ISSP-SDATA[3] 10 I/O M P1[2] 11 I/O M P1[4] Optional external clock input (EXTCLK) 12 I/O I, M P0[0] Analog column mux input 13 I/O I, M P0[2] Analog column mux input 14 I/O I, M P0[4] Analog column mux input 15 I/O I, M P0[6] Analog column mux input 16 Power VDD Supply voltage LEGEND A = Analog, I = Input, O = Output, and M = Analog Mux Input. Note 3. These are the ISSP pins, which are not High Z at POR. See the PSoC Technical Reference Manual for details. |
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