Analog Devices ADSP-TS201S EZ-KIT Lite, Руководство пользователя

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ADSP-TS201S EZ-KIT Lite Evaluation System Manual 2-15
ADSP-TS201S EZ-KIT Lite Hardware Reference
Drive Strength Selection
The
DS2–0
pins of each processor determine the digital drive strength as
described in Table 2-16 and Table 2-17 . Refer to the ADSP-TS201S pro-
cessor data sheet at
http://www.analog.com/UploadedFiles/Data_Sheets/ADSP_TS201S.pdf
for more information.
Table 2-15. Control Impedance Selection
R143 (CONTROLIMP1) R131 (CONTROLIMP0) Driver Mode
Populated
1 Not populated Normal
Populated Populated Pulse mode
Not populated Not populated A/D mode
Not populated Populated Pulse mode, A/D mode
1 Default settings
Table 2-16. Drive Strength Setting for Processor A
R136 (DS2) R132 (DS1) R135 (DS0) Drive Strength Output
Impedance
Populated Not populated Populated 11.1% 26 Ohm
Populated Not populated Not populated 23.8% 32 Ohm
Populated Populated Populated 36.5% 40 Ohm
Populated Populated Not populated 49.2% 50 Ohm
Not populated Not populated Populated 61.9% 62 Ohm
Not populated
1
1 Default settings
Not populated Not populated 74.6% 70 Ohm
Not populated Populated Populated 87.3% 96 Ohm
Not populated Populated Not populated 100% 120 Ohm