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AMC7820Y/2K Datasheet(PDF) 23 Page - Texas Instruments |
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AMC7820Y/2K Datasheet(HTML) 23 Page - Texas Instruments |
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23 / 29 page ![]() AMC7820 SBAS231B www.ti.com 23 Figure 13 shows an example of a complete data transaction between the host processor and the AMC7820. AMC7820 MEMORY MAP The AMC7820 has several 16-bit registers that allow control of the device as well as providing a location for results from the AMC7820 to be stored until read by the host micropro- TABLE III. AMC7820 Memory Map: Page 0. TABLE IV. AMC7820 Memory Map: Page 1. cessor. These registers are separated into two pages of memory in the AMC7820: a Data page (Page 0) and a Control page (Page 1). The memory map is shown in Tables III and IV. Locations that are marked reserved will read back 0x0000 if they are read by the host. PAGE 0: DATA REGISTERS ADDRESS REGISTER 00 CH0 01 CH1 02 CH2 03 CH3 04 CH4 05 CH5 06 CH6 07 CH7 08 Reserved 09 DAC0 0A DAC1 0B DAC2 0C Reserved 0D Reserved 0E Reserved 0F Reserved 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved 16 Reserved 17 Reserved 18 Reserved 19 Reserved 1A Reserved 1B Reserved 1C Reserved 1D Reserved 1E Reserved 1F Reserved PAGE 1: CONTROL REGISTERS ADDRESS REGISTER 00 Shut Down 01 Reset 02 Configuration/Status 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 09 Reserved 0A Reserved 0B Reserved 0C Reserved 0D Reserved 0E Reserved 0F Reserved 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved 16 Reserved 17 Reserved 18 Reserved 19 Reserved 1A Reserved 1B Reserved 1C Reserved 1D Reserved 1E Reserved 1F Reserved FIGURE 13. Write and Read Operation of the AMC7820 Interface. Write Operation Read Operation Command Word Command Word Data Data Data SS SCLK MOSI MISO |
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