Texas Instruments UCD3138 Technical Reference Manual page 383

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Table 10-5. PMBUS Control Register 1 (PMBCTRL1) Register Field Descriptions (continued)
Bit Field
7-1 SLAVE_ADDR
0 RW
SNIU028A – February 2016 – Revised April 2016
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Type Reset
R/W 000 0000 Specifies the address of the slave to which the current message is directed towards.
R/W 0
Indicates if current Master initiated message is read operation or write operation.
0 = Message is a write transaction (data from Master to Slave) (Default)
1 = Message is a read transaction (data from Slave to Master)
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PMBus Interface Registers Reference
Description
PMBus Interface/I2C Interface
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