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CY8C24X23A Datasheet(PDF) 11 Page - Cypress Semiconductor |
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CY8C24X23A Datasheet(HTML) 11 Page - Cypress Semiconductor |
11 / 43 page CY8C21123, CY8C21223, CY8C21323 Document Number: 38-12022 Rev. *Q Page 11 of 43 24-Pin Part Pinout Table 6. Pin Definitions – CY8C21323 24-Pin QFN[5] Pin No. Type Pin Name Description Figure 7. CY8C21323 24-Pin QFN Digital Analog 1 I/O I P0[1] Analog column mux input 2 Power SMP SMP connection to required external components 3 Power VSS Ground connection 4 I/O P1[7] I2C SCL 5 I/O P1[5] I2C SDA 6 I/O P1[3] 7 I/O P1[1] I2C SCL, ISSP-SCLK[3] 8 NC No connection 9 Power VSS Ground connection 10 I/O P1[0] I2C SDA, ISSP-SDATA[3] 11 I/O P1[2] 12 I/O P1[4] Optional (EXTCLK) input 13 I/O P1[6] 14 Input XRES Active high external reset with internal pull-down 15 NC No connection 16 I/O I P0[0] Analog column mux input 17 I/O I P0[2] Analog column mux input 18 I/O I P0[4] Analog column mux input 19 I/O I P0[6] Analog column mux input 20 Power VDD Supply voltage 21 Power VSS Ground connection 22 I/O I P0[7] Analog column mux input 23 I/O I P0[5] Analog column mux input 24 I/O I P0[3] Analog column mux input LEGEND A = Analog, I = Input, and O = Output. QFN (Top View) A, I, P0[1] SMP VSS I2C SCL, P1[7] I2C SDA, P1[5] P1[3] 1 2 3 4 5 6 18 17 16 15 14 13 P0[4], A, I P0[2], A, I NC XRES P1[6] P0[0], A, I Note 5. The center pad on the QFN package must be connected to ground (VSS) for best mechanical, thermal, and electrical performance. If not connected to ground, it must be electrically floated and not connected to any other signal. [+] Feedback |
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