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ADT7320UCPZ-R2 데이터시트(PDF) 19 Page - Analog Devices

부품명 ADT7320UCPZ-R2
상세설명  짹0.25째C Accurate, 16-Bit Digital SPI Temperature Sensor
PDF  24 Pages
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ADT7320UCPZ-R2 데이터시트(HTML) 19 Page - Analog Devices

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Preliminary Technical Data
ADT7320
Rev. PrA | Page 19 of 24
WRITING DATA
Data is written to the ADT7320 in eight bits or 16 bits, depending
on the addressed register. The first byte written to the device is
the command byte, with the read/write bit set to 0. The master
then supplies the 8-bit or 16-bit input data on the DIN line. The
ADT7320 clocks the data into the register addressed in the
command byte on the positive edge of SCLK. The master
finishes the write by pulling CS high.
Figure 16 shows a write to an 8-bit register, and Figure 17 shows
a write to a 16-bit register.
The master must begin a new write transaction on the bus for
every register write. Only one register is written to per bus
transaction.
C3
C2
C5
C4
DIN
C7
C6
C1
D2
D1
D0
C0
8-BIT DATA
5
6
7
8
9
10
11
1213
14
1516
SCLK
12
3
4
D5
CS
R/W
REGISTER ADDR
0
00
CONT
READ
D4
D3
D7
D6
8-BIT COMMAND BYTE
Figure 16. Writing to an 8-Bit Register
C3
C2
C5
C4
DIN
C7
C6
C1
D2
D1
D0
C0
16-BIT DATA
5
24
6
7
8
9
10
11
12
13
14
15
16
22
23
SCLK
12
3
4
D14
D13
17
CS
R/W
REGISTER ADDR
0
0
0
CONT
READ
D12
D10
D11
D9
D8
D7
D15
8-BIT COMMAND BYTE
Figure 17. Writing to a 16-Bit Register



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