数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

TMP421AIDCNT 数据表(PDF) 22 Page - Texas Instruments

部件名 TMP421AIDCNT
功能描述  ±1°C Remote and Local TEMPERATURE SENSOR
PDF  37 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TMP421AIDCNT 数据表(HTML) 22 Page - Texas Instruments

Back Button TMP421AIDCNT Datasheet HTML 18Page - Texas Instruments TMP421AIDCNT Datasheet HTML 19Page - Texas Instruments TMP421AIDCNT Datasheet HTML 20Page - Texas Instruments TMP421AIDCNT Datasheet HTML 21Page - Texas Instruments TMP421AIDCNT Datasheet HTML 22Page - Texas Instruments TMP421AIDCNT Datasheet HTML 23Page - Texas Instruments TMP421AIDCNT Datasheet HTML 24Page - Texas Instruments TMP421AIDCNT Datasheet HTML 25Page - Texas Instruments TMP421AIDCNT Datasheet HTML 26Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 22 / 37 page
background image
Frame1Two-WireSlaveAddressByte
Frame2PointerRegisterByte
1
StartBy
Master
ACKBy
TMP421/22/23
ACKBy
TMP421/22/23
Frame3Two-WireSlaveAddressByte
Frame4DataByte1ReadRegister
StartBy
Master
ACKBy
TMP421/22/23
ACKBy
Master
From
TMP421/22/23
1
9
1
9
1
9
1
9
SDA
SCL
0
0
1
R/W
P7
P6
P5
P4
P3
P2
P1
P0
¼
¼
¼
¼
SDA
(Continued)
SCL
(Continued)
SDA
(Continued)
SCL
(Continued)
1
0
0
1
1
0
0
(1)
1
0
0
(1)
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Frame5DataByte2ReadRegister
StopBy
Master
NACKBy
Master
(2)
From
TMP421/22/23
1
9
D7
D6
D5
D4
D3
D2
D1
D0
TMP421
TMP422
TMP423
SBOS398C – JULY 2007 – REVISED MAY 2012
www.ti.com
(1) Slave address 1001100 shown.
(2) Master should leave SDA high to terminate a two-byte read operation.
Figure 19. Two-Wire Timing Diagram for Two-Byte Read Format
HIGH-SPEED MODE
to
initiate
a
data
transfer
operation.
The
bus
continues to operate in Hs-mode until a STOP
In order for the two-wire bus to operate at frequencies
condition occurs on the bus. Upon receiving the
above 400kHz, the master device must issue a High-
STOP condition, the TMP421/22/23 switch the input
Speed mode (Hs-mode) master code (0000 1xxx) as
and output filters back to fast mode operation.
the first byte after a START condition to switch the
bus to high-speed operation. The TMP421/22/23 do
TIMEOUT FUNCTION
not acknowledge this byte, but switch the input filters
on SDA and SCL and the output filter on SDA to
The TMP421/22/23 reset the serial interface if either
operate in Hs-mode, allowing transfers at up to
SCL or SDA are held low for 30ms (typical) between
3.4MHz. After the Hs-mode master code has been
a START and STOP condition. If the TMP421/22/23
issued, the master transmits a two-wire slave address
are holding the bus low, the device releases the bus
and waits for a START condition. To avoid activating
the timeout function, it is necessary to maintain a
communication speed of at least 1kHz for the SCL
operating frequency.
22
Submit Documentation Feedback
Copyright © 2007–2012, Texas Instruments Incorporated
Product Folder Link(s): TMP421 TMP422 TMP423



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com