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TMP139AIYAHT 数据表(PDF) 29 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) 29 Page - Texas Instruments

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Note
TMP139 NACKs the SETHID CCC if the previous transaction has a parity error and the host starts the
transaction with a Repeated Start.
7.4.6.8 DEVCTRL CCC
The DEVCTRL CCC is issued by the host controller for enable or disable operations that are common to devices
on the bus and TMP139 shall recognize the DEVCTRL CCC.
The command is generally issued in broadcast mode, but may be issued as unicast or multicast mode as well.
The host may issue the DEVCTRL CCC as a generic access with RegMod field set as 0 or for a specific register
access with RegMod set as 1. When RegMod field is set to 0, Figure 7-41 shows the DEVCTRL CCC packet
structure when PEC is disabled. Figure 7-42 shows the structure of the DEVCTRL CCC when RegMod field is
set to 0 and PEC is enabled. In the latter case the host controller shall append the PEC byte calculated on all
bytes except the byte with 7'h7E and R/W=0 after the Start or Repeated Start.
0x62
T
S or Sr
1
1
1
1
1
1
0
ACK
R/W=0
ADDRMASK
[2]
STOFF SET
[1]
PECBL[1]
REGMOD
= 0
T
Sr or P
ADDRMASK
[1]
ADDRMASK
[0]
PECBL[0]
STOFF SET
[0]
DEV ADDR
0
T
DEV CTRL DATA 0
T
DEV CTRL DATA 1
T
DEV CTRL DATA 2
T
DEV CTRL DATA 3
T
Figure 7-41. DEVCTRL CCC With REGMOD = 0 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
= 0
T
ADDRMASK
[1]
ADDRMASK
[0]
PECBL[0]
STOFF SET
[0]
DEV ADDR
0
T
DEV CTRL DATA 0
T
DEV CTRL DATA 1
T
DEV CTRL DATA 2
T
DEV CTRL DATA 3
T
Sr or P
PEC
T
Figure 7-42. DEVCTRL CCC With REGMOD = 0 and PEC Enabled
When RegMod field is set to 1, Figure 7-43 shows the DEVCTRL CCC packet structure when PEC is disabled.
Figure 7-44 shows the structure of the DEVCTRL CCC when RegMod field is set to 1 and PEC is enabled. In the
latter case the host controller shall append the PEC byte calculated on all bytes except the byte with 7'h7E and
www.ti.com
TMP139
SNIS217 – DECEMBER 2020
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: TMP139



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