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TMP139AIYAHT 数据表(PDF) 30 Page - Texas Instruments

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部件名 TMP139AIYAHT
功能描述  TMP139 0.5 째C Accuracy, JEDEC DDR5 Grade B, Digital Temperature Sensor With I2C and I3C Interface
PDF  58 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TMP139AIYAHT 数据表(HTML) 30 Page - Texas Instruments

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R/W = 0 after the Start or Repeated Start. If the CMD field indicates that there is only one byte to write, then the
optional register data must not be sent by the host.
0x62
T
S or Sr
1
1
1
1
1
1
0
ACK
R/W=0
ADDRMASK
[2]
STOFF SET
[1]
PECBL[1]
REGMOD
= 1
T
Sr or P
ADDRMASK
[1]
ADDRMASK
[0]
PECBL[0]
STOFF SET
[0]
DEV ADDR
0
T
REGISTER O FFSET
T
REGISTER DATA 1
T
OPTIONAL REGIS TER DATA 2
T
Figure 7-43. DEVCTRL CCC With REGMOD = 1 and PEC Disabled
0x62
T
S or Sr
1
1
1
1
1
1
0
ACK
R/W=0
ADDRMASK
[2]
STOFF SET
[1]
PECBL[1]
REGMOD
= 1
T
ADDRMASK
[1]
ADDRMASK
[0]
PECBL[0]
STOFF SET
[0]
DEV ADDR
0
T
T
T
T
T
Sr or P
PEC
T
REGISTER O FFSET
CMD
REGISTER DA TA 1
OPTIONAL REGIS TER DATA 2
W=0
0000
Figure 7-44. DEVCTRL CCC With REGMOD = 1 and PEC Enabled
Note
TMP139 NACKs the DEVCTRL CCC if the previous transaction has a parity or PEC error and the host
starts the transaction with a Repeated Start.
The Table 7-8 describes the definition of the command fields.
Table 7-8. DEVCTRL CCC Command Definitions
Field
Description
Values
Action
ADDRMASK[2:0]
Broadcast, multicast
or unicast selection
000 = Unicast
command
TMP139 matches the DEVADDR[6:0] field with its serial address .
011 = Multicast
command
TMP139 matches the DEVADDR[6:3] field with its LID code in the
serial address.
111 = Broadcast
command
TMP139 ignores the DEVADDR[6:0] and performs the required
action.
STOFFSET[1:0]
Start offset byte
00 = Byte 0
TMP139 identifies which byte is the first byte out of DEVCTRL DATA
0, DEVCTRL DATA 1, DEVCTRL DATA 2 and DEVCTRL DATA 3
and updates its register accordingly.
This field is valid only when REGMOD = 0.
01 = Byte 1
10 = Byte 2
11 = Byte 3
PECBL[1:0]
Identifies the burst
length for PEC byte
position
00 = 1 Byte
TMP139 identifies the position of the PEC byte after the DEVCTRL
DATA bytes are sent.
This field is valid only when REGMOD = 0 and PEC is enabled.
01 = 2 Byte
10 = 3 Byte
11 = 4 Byte
TMP139
SNIS217 – DECEMBER 2020
www.ti.com
30
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: TMP139



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