MAX16064 Datasheet, PDF (29/52 Pages) Maxim Integrated Products – ±0.3% Accurate, Quad, Power-Supply Controller with Active-Voltage Output Control and PMBus Interface

±0.3% Accurate, Quad, Power-Supply Controller with
Active-Voltage Output Control and PMBus Interface
WRITE BYTE FORMAT
S
ADDR
W A COMMAND
A
7 BITS
8 BITS
SLAVE
ADDRESS
COMMAND BYTE:
SELECTS TO WHICH
COMMAND PARAMETER
TO WRITE
READ BYTE FORMAT
S
ADDR
W A COMMAND
A
7 BITS
8 BITS
SLAVE
ADDRESS
COMMAND BYTE:
SELECTS FROM WHICH
COMMAND PARAMETER
TO READ
DATA
8 BITS
A
PEC
8 BITS
DATA BYTE:
DATA FOR
THE COMMAND
SET BY THE
COMMAND BYTE
AP
SR
ADDR
RA
DATA
A
7 BITS
8 BITS
SLAVE ADDRESS:
REPEATED DUE TO
CHANGE IN DATA-
FLOW DIRECTION
DATA BYTES: DATA
FOR THE COMMAND
SET BY THE
COMMAND BYTE
PEC
8 BITS
NA P
WRITE WORD FORMAT
S
ADDR
W A COMMAND
A DATA0
A DATA1
7 BITS
8 BITS
8 BITS
8 BITS
COMMAND BYTE:
SELECTS TO WHICH
COMMAND PARAMETER
TO WRITE
DATA BYTES: DATA FOR THE
COMMAND SET BY THE
COMMAND BYTE
A PEC
AP
8 BITS
READ WORD FORMAT
S
ADDR
W A COMMAND
A
7 BITS
8 BITS
SLAVE
ADDRESS
COMMAND BYTE:
SELECTS FROM WHICH
COMMAND PARAMETER
TO READ
SR
ADDR
RA
DATA0
7 BITS
8 BITS
A
DATA1
8 BITS
SLAVE ADDRESS:
REPEATED DUE TO
CHANGE IN DATA-
FLOW DIRECTION
DATA BYTES: DATA FOR THE COMMAND
SET BY THE COMMAND BYTE
A PEC NA P
8 BITS
SEND BYTE FORMAT
S
ADDR
W A COMMAND
A PEC
AP
7 BITS
8 BITS
8 BITS
SLAVE
ADDRESS
COMMAND BYTE: SEND
COMMAND WITH NO
DATA
S = START CONDITION
SR = REPEATED START CONDITION
P = STOP CONDITION
= SLAVE TRANSMISSION
Figure 14. SMBus Protocols with PEC
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