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ADDS-21XX-SW-SUN Datasheet(PDF) 10 Page - Analog Devices |
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ADDS-21XX-SW-SUN Datasheet(HTML) 10 Page - Analog Devices |
10 / 16 page REV. B –10– ADDS-21xx-TOOLS EZ-ICE EMULATORS: SPECIAL CONSIDERATIONS Connector Requirements The PGA probe’s footprint that protrudes from the bottom of the ADSP-2101 and ADSP-2111 EZ-ICE boards fits into the DSP chip socket on your target system. Note that the socket must allow sufficient clearance for the ADSP-21xx’s footprint. The ADSP-2171 EZ-ICE attaches to the target DSP chip by simply clipping over the PQFP package version of the DSP. An alternate approach is needed for use with the TQFP package version of the DSP. Because the TQFP packaged chip and its leads are too small for a probe, the target board should include a pair of header connectors to allow the EZ-ICE board to plug directly onto it in order to interface with the DSP chip. Both methods are illustrated in Figure 2. PQFP ADAPTOR ADSP-2171 TQFP TARGET BOARD ADSP-2171 PQFP TARGET BOARD ADDS-21xx EZ-ICE BOARD CBA JP3 JP1 11 0.200 (5.08) 0.333 (8.46) 0.300 (7.62) MAX ONLY CUSTOMER TARGET BOARD 0.125 (3.18) 0.000 (0) TYP ALLOW 0.15 IN (30.81 mm) CLEARANCE ALL AROUND FED SW1 0.810 (20.57) 2.310 (58.67) 3.250 (82.55) 3.100 (78.74) 0.750 (19.05) 2.850 (72.39) 0.200 (5.08) 3.700 (93.98) 3.900 (99.06) 1.800 (45.72) 0.490 (12.45) 1.530 (38.86) Figure 2. ADDS-2171 EZ-ICE Installation |
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