ADT7516/ADT7517/ADT7519
CS
1
8
1
8
SCLK
DIN
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
START
WRITE COMMAND
REGISTER ADDRESS
CS (CONTINUED)
1
8
SCLK (CONTINUED)
DIN (CONTINUED)
D7 D6 D5 D4 D3 D2 D1
D0
STOP
DATA BYTE
Figure 63. SPI—Writing to the Address Pointer Register Followed by a Single Byte of Data to the Selected Register
CS
1
8
1
8
SCLK
DIN
CS
SCLK
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
START
STOP
WRITE COMMAND
REGISTER ADDRESS
Figure 64. SPI—Writing to the Address Pointer Register to Select a Register for a Subsequent Read Operation
1
8
1
8
DIN
D7 D6 D5 D4 D3 D2 D1 D0
X
X
X
X
X
X
X
DOUT
X
X
START
X
X
X
X
X
X
D7 D6 D5 D4 D3 D2 D1
READ COMMAND
DATA BYTE 1
Figure 65. SPI—Reading a Single Byte of Data From a Selected Register
X
D0
STOP
Rev. A | Page 41 of 44