BCM4414xG0F4440yzz
Write Word protocol:
When transmitting a word, the lowest order byte leads the highest order byte. Furthermore, when transmitting a Byte, the least significant
bit (LSB) is sent last. Refer to System Management Bus (SMBus) specification version 2.0 for more details.
Note: Extended command and Packet Error Checking Protocols are not supported.
1
7
1
1
8
1
8
1
8
1
1
S
Slave Address Wr
A
Command Code
A
x = 0
Data Byte Low
A
x = 0
Data Byte High
A
x = 0
P
x = 0 x = 0
Figure 3 — TON_DELAY COMMAND (D6h)_WRITE WORD PROTOCOL
Read Word protocol:
1
7
1
1
8
1
1
7
1
1
8
1
8
1
1
S
Slave Address Wr
A
Command Code
A
x = 0
Sr Slave Address Rd
A
Data Byte Low
A
x = 0
Data Byte High
A
x = 1
P
x = 0 x = 0
x = 1 x = 0
Figure 4 — MFR_VIN_MIN COMMAND (88h)_READ WORD PROTOCOL
Write Block protocol:
1
7
1
1
8
1
8
1
8
1
S
Slave Address Wr
A
Command Code
A
x = 0
Byte Count = N
A
x = 0
Data Byte 1
A
x = 0
...
x = 0 x = 0
...
8
1
8
1
1
Data Byte 2
A
x = 0
...
...
Data Byte N
A
x = 0
P
Figure 5 — SET_ALL_THRESHOLDS COMMAND (D5h)_WRITE BLOCK PROTOCOL
BCM® in a VIA™ Package
Page 28 of 43
Rev 1.2
01/2018
VICOR [ VICOR CORPORATION ]
