參數(shù)資料
型號: ADT7317ARQ
廠商: Analog Devices, Inc.
元件分類: 圓形連接器
英文描述: Circular Connector; No. of Contacts:37; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:15-35
中文描述: SPI/I2C兼容,10位數(shù)字溫度傳感器和四DAC的電壓輸出12/10/8-Bit
文件頁數(shù): 28/32頁
文件大小: 340K
代理商: ADT7317ARQ
28
REV. PrN
PRELIMINARY TECHNICAL DATA
ADT7316/7317/7318
0*
0*
0*
0*
0*
0*
0*
0*
*Default settings at Power-up.
DEVICE ID REGISTER (READ ONLY) [ADD. = 4DH]
This 8-bit read only register indicates which part the de-
vice is in the model range. ADT7316 = 01h, ADT7317 =
05h and ADT7318 = 09h.
MANUFACTURER’S ID REGISTER (Read only) [Add.
= 4Eh]
This register contains the manufacturers identification
number. ADI
s is 41h.
SILICON REVISION REGISTER (Read only) [Add. =
4Fh]
This register is divided into the four lsbs representing the
Stepping and the four msbs representing the Version. The
Stepping contains the manufacturers code for minor revi-
sions or steppings to the silicon. The Version is the
ADT7316/17/18 version number. The ADT7316/17/18
s
version number is 0000b.
ADT7316/7317/7318 SERIAL INTERFACE
There are two serial interfaces that can be used on this
part, I
2
C and SPI. A valid serial communication protocol
selects the type of interface.
SERIAL INTERFACE SELECTION
The
line controls the selection between I
2
C and SPI. If
is held high during a valid I
2
C communication then
the serial interface selects the I
2
C mode once the correct
serial bus address has been recognised.
To set the interface to SPI mode the
during a valid SPI communication. This will cause the
interface to select the SPI mode once the correct read or
write command has been recognised. As per most SPI
standards the
line must be low during every SPI com-
munication to the ADT7316/17/18 and high all other
times.
line must be low
Figure 20. SPI - Writing to the Address Pointer Register followed by a single byte of data to the selected register
D7
D6
D5
D4
D3
D2
D1
D0
DATA BYTE
1
8
D
IN
(CONTINUED)
SCLK (CONTINUED)
CS (CONTINUED)
D7
SCLK
D
IN
D6
D5
D4
D3
D2
D1
D6
D5
D4
D3
D2
D1
D0
START
WRITE COMMAND
REGISTER ADDRESS
1
8
1
8
CS
D0
D7
SDA
NO ACK. BY
MASTER
START BY
MASTER
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
SINGLE DATA BYTE FROM ADT7316/17/18
ACK. BY
ADT7316/17/18
1
9
1
9
D7
D6
D5
D4
D3
D2
D1
D0
R/
A0
A1
A2
1
0
1
SCL
STOP BY
MASTER
0
Figure 19. I
2
C - Reading a single byte of data from a selected register
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