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TMP139AIYAHT 데이터시트(PDF) 28 Page - Texas Instruments

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부품명 TMP139AIYAHT
상세설명  TMP139 0.5 째C Accuracy, JEDEC DDR5 Grade B, Digital Temperature Sensor With I2C and I3C Interface
PDF  58 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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TMP139AIYAHT 데이터시트(HTML) 28 Page - Texas Instruments

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except the byte with 7'h7E and R/W=0 after the Start or Repeated Start. The TMP139 calculates the PEC on the
data bytes that are sent to the host.
0xE0
T
T=1
S or Sr
1
1
1
1
1
1
0
ACK/NACK
R/W=0
Sr
0
SA
1
0
HID2
HID1
HID0
ACK/NACK
R/W=1
DEVCAP_MSB[7:0]
Sr or P
T=0
DEVCAP_LSB[7:0]
Figure 7-38. DEVCAP CCC Direct
0xE0
T
T=1
S or Sr
1
1
1
1
1
1
0
ACK/NACK
R/W=0
Sr
0
SA
1
0
HID2
HID1
HID0
ACK/NACK
R/W=1
Sr or P
T=0
PEC
T
PEC
T=1
DEVCAP_MSB[7:0]
DEVCAP_LSB[7:0]
Figure 7-39. DEVCAP CCC Direct with PEC
Table 7-7. DEVCAP Data Byte Description
Bit
Value
Comments
DEVCAP_MSB[7:3]
00000
Reserved
DEVCAP_MSB[2]
1
0 = No support for Timer Based Reset
1 = Timer Based Reset supported
DEVCAP_MSB[1:0]
00
Reserved
DEVCAP_LSB[7:0]
8'h00
Reserved
Note
TMP139 NACKs the DEVCAP CCC if the previous transaction has a parity or PEC error and the host
starts the transaction with a Repeated Start.
7.4.6.7 SETHID CCC
The SETHID CCC is issued by the host controller to the TMP139 to update the HID code of the device serial
address. The CCC takes effect after a Stop has been issued by the host controller. Once the SETHID is
received, the TMP139 shall update the MR7 register bits DEV_HID_CODE[2:0] to the value HID[2:0] as sent in
the CCC data payload when Stop bus condition is sent by the host.
0x61
T
S or Sr
1
1
1
1
1
1
0
ACK
R/W=0
0
0
0
0
HID2
HID1
HID0
0
T
Sr or P
Figure 7-40. SETHID CCC Broadcast
TMP139
SNIS217 – DECEMBER 2020
www.ti.com
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Product Folder Links: TMP139



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