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CY8C27643-24PVXI Datasheet(PDF) 11 Page - Cypress Semiconductor |
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CY8C27643-24PVXI Datasheet(HTML) 11 Page - Cypress Semiconductor |
11 / 63 page CY8C27143, CY8C27243 CY8C27443, CY8C27543 CY8C27643 Document Number: 38-12012 Rev. *T Page 11 of 63 44-pin Part Pinout Note 5. These are the ISSP pins, which are not High Z at POR (Power On Reset). See the PSoC Programmable System-on-Chip Technical Reference Manual for details. Table 5. Pin Definitions – 44-pin TQFP Pin No. Type Pin Name Description Figure 6. CY8C27543 44-pin PSoC Device Digital Analog 1 I/O P2[5] 2 I/O I P2[3] Direct switched capacitor block input 3 I/O I P2[1] Direct switched capacitor block input 4 I/O P4[7] 5 I/O P4[5] 6 I/O P4[3] 7 I/O P4[1] 8 Power SMP SMP connection to external components required 9 I/O P3[7] 10 I/O P3[5] 11 I/O P3[3] 12 I/O P3[1] 13 I/O P1[7] I2C SCL 14 I/O P1[5] I2C SDA 15 I/O P1[3] 16 I/O P1[1] Crystal input (XTALin), I2C SCL, ISSP-SCLK[5] 17 Power Vss Ground connection. 18 I/O P1[0] Crystal output (XTALout), I2C SDA, ISSP-SDATA[5] 19 I/O P1[2] 20 I/O P1[4] Optional external clock input (EXTCLK) 21 I/O P1[6] 22 I/O P3[0] 23 I/O P3[2] 24 I/O P3[4] 25 I/O P3[6] 26 Input XRES Active high external reset with internal pull down 27 I/O P4[0] 28 I/O P4[2] 29 I/O P4[4] 30 I/O P4[6] 31 I/O I P2[0] Direct switched capacitor block input 32 I/O I P2[2] Direct switched capacitor block input 33 I/O P2[4] External Analog Ground (AGND) 34 I/O P2[6] External Voltage Reference (VRef) 35 I/O I P0[0] Analog column mux input 36 I/O I/O P0[2] Analog column mux input and column output 37 I/O I/O P0[4] Analog column mux input and column output 38 I/O I P0[6] Analog column mux input 39 Power VDD Supply voltage 40 I/O I P0[7] Analog column mux input 41 I/O I/O P0[5] Analog column mux input and column output 42 I/O I/O P0[3] Analog column mux input and column output 43 I/O I P0[1] Analog column mux input 44 I/O P2[7] LEGEND: A = Analog, I = Input, and O = Output. TQFP P2[5] P2[4], External AGND A, I, P2[3] P2[2], A, I A, I, P2[1] P2[0], A, I P4[7] P4[6] P4[5] P4[4] P4[3] P4[2] P4[1] P4[0] SMP XRES P3[7] P3[6] P3[5] P3[4] P3[3] P3[2] 33 32 31 30 29 28 27 26 25 24 23 1 2 3 4 5 6 7 8 9 10 11 [+] Feedback |
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