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ADNB-2013 Arkusz danych(PDF) 5 Page - Agilent(Hewlett-Packard) |
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ADNB-2013 Arkusz danych(HTML) 5 Page - Agilent(Hewlett-Packard) |
5 / 12 page 5 Typical USB Application using Quadrature Output 18 or 24 MHz Operation Notes: 1. Due to the Cypress implementation of USB suspend mode support, the NRESET pin of the ADNS-2001 must be reset using a line from the Cypress chip. The reason for this is that the Cypress chip does not configure the port input pins until after it has received a bus reset from the USB port. The unconfigured input port pins present a 16 K Ω pullup to VCC. If a cap is used on NRESET (pin 15), this pullup will result in the ADNS-2001 seeing a high on the MODE pin and powering up in the PS/2 mode. 2. The quadrature input pins of the Cypress part must be programmed to be Hi-Z, instead of the normal current pulldowns. This ensures that the ADNS-2001 will be able to pull the quadrature lines high over all conditions of voltage and temperature. 3. 0.1 µF between pins 7 and 8 must be ceramic, and must be trace lengths less than 5 mm. VDD5 VDD5 13 14 2 MODE/XA XB 3 YB 4 YA 5 15 D– D+ GND GND 10 12 24.00 MHz 0.1 µF 7 8 0.1 µF 1.0 µF REFB XY_LED NRESET 6 3.3 V REGULATOR LP2950ACZ-3.3 R1 2N3904 HLMP-ED80 SURFACE VDD VDD3 HDNS-2100 LENS INTERNAL IMAGE SENSOR ADNS 2001 OSC1 OSC2 9 11 24.00 MHz CERAMIC RESONATOR SUCH AS: AVX KBR-24.00MSA or MURATA CSA24.00MXZ040 PS2_C PS2_D 116 D– 13 D+ 14 XTALIN 10 11 P0.4 P0.5 20 19 5 2 P0.1 P0.2 XTALOUT 3 P1.0 CYPRESS CY7C63000A-PC P0.3 P0.2 4 15 P0.7 P0.6 L R P1.2 6 M 17 18 VPP 8 VSS 7 BUTTONS PANASONIC EVQ SERIES ENCODER P1.1 P0.0 1 16 4.7 µF 0.1 µF 12 VDD 9 CEXT 2N3906 1.5 M Ω 7.5 K Ω GND SHLD 6 MHz 2.7 Ω 0.33 µF |
Podobny numer części - ADNB-2013 |
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Podobny opis - ADNB-2013 |
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