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AMC7820Y/2K Datasheet(PDF) 23 Page - Texas Instruments

Part # AMC7820Y/2K
Description  ANALOG MONITORING AND CONTROL
PDF  29 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AMC7820Y/2K Datasheet(HTML) 23 Page - Texas Instruments

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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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