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CY8C20546A-24PVXI Datasheet(PDF) 10 Page - Cypress Semiconductor |
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CY8C20546A-24PVXI Datasheet(HTML) 10 Page - Cypress Semiconductor |
10 / 43 page CY8C20X36A/46A/66A/96A Document Number: 001-54459 Rev. *E Page 10 of 43 30-Ball Part Pinout Table 4. Pin Definitions – CY8C20766A, CY8C20746A 30-Ball Part Pinout (WLCSP) Pin No. Type Name Description Digital Analog Figure 5. CY8C20766A 30-Ball WLCSP A1 IOH I P0[2] Bottom View Top View A2 IOH I P0[6] A3 Power VDD Supply voltage A4 IOH I P0[1] Integrating Input A5 I/O I P2[7] B1 I/O I P2[6] B2 IOH I P0[0] B3 IOH I P0[4] B4 IOH I P0[3] Integrating Input B5 I/O I P2[5] Crystal Output (Xout) C1 I/O I P2[2] C2 I/O I P2[4] C3 IOH I P0[7] C4 IOH I P0[5] C5 I/O I P2[3] Crystal Input (Xin) D1 I/O I P2[0] D2 I/O I P3[0] D3 I/O I P3[1] D4 I/O I P3[3] D5 I/O I P2[1] E1 Input XRES Active high external reset with internal pull-down E2 IOHR I P1[6] E3 IOHR I P1[4] Optional external clock input (EXT CLK) E4 IOHR I P1[7] I2C SCL, SPI SS E5 IOHR I P1[5] I2C SDA, SPI MISO F1 IOHR I P1[2] F2 IOHR I P1[0] ISSP DATA[11], I2C SDA, SPI CLK[12] F3 Power VSS Supply ground F4 IOHR I P1[1] ISSP CLK[11], I2C SCL, SPI MOSI F5 IOHR I P1[3] SPI CLK 5 432 1 A B C D E F 1 234 5 B C D E F A Notes 11. On power-up , the SDA(P1[0]) drives a strong high for 256 sleep clock cycles and drives resistive low for the next 256 sleep clock cycles. The SCL(P1[1])line drives resistive low for 512 sleep clock cycles and both the pins transition to high impedance state. On reset, after XRES de-asserts, the SDA and the SCL lines drive resistive low for 8 sleep clock cycles and transition to high impedance state. Hence, during power-up or reset event, P1[1] and P1[0] may disturb the I2C bus. Use alternate pins if you encounter issues. 12. Alternate SPI clock. [+] Feedback |
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