参数资料
型号: ADM1075-1ACPZ-RL7
厂商: Analog Devices Inc
文件页数: 29/52页
文件大小: 0K
描述: IC HOT SWAP CTRLR -48V 28LFCSP
标准包装: 1,500
类型: 热交换控制器
应用: -48V 远程电力系统,高可用性,电信/数据通信系统
内部开关:
电流限制: 可调
电源电压: -35 V ~ -80 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘,CSP
供应商设备封装: 28-LFCSP-WQ(5x5)
包装: 带卷 (TR)
Data Sheet
SMBus MESSAGE FORMATS
Figure 56 to Figure 64 show all the SMBus protocols supported
by the ADM1075 , along with the PEC variant. In these figures,
unshaded cells indicate that the bus host is actively driving the
bus; shaded cells indicate that the ADM1075 is driving the bus.
Figure 56 to Figure 64 use the following abbreviations:
S = start condition
Sr = repeated start condition
P = stop condition
ADM1075
R = read bit
W = write bit
A = acknowledge bit (0)
A = acknowledge bit (1)
A represents the ACK (acknowledge) bit. The ACK bit is typi-
cally active low (Logic 0) if the transmitted byte is successfully
received by a device. However, when the receiving device is the
bus master, the acknowledge bit for the last byte read is a Logic 1,
indicated by A.
S
SLAVE ADDRESS
W
A
DATA BYTE
A
P
S
SLAVE ADDRESS
W
A
DATA BYTE
A
PEC
A
P
MASTER TO SLAVE
SLAVE TO MASTER
Figure 56. Send Byte and Send Byte with PEC
S
SLAVE ADDRESS
R
A
DATA BYTE
A
P
S
SLAVE ADDRESS
R
A
DATA BYTE
A
PEC
A
P
MASTER TO SLAVE
SLAVE TO MASTER
Figure 57. Receive Byte and Receive Byte with PEC
S
SLAVE ADDRESS
W
A
COMMAND CODE
A
DATA BYTE
A
P
S
SLAVE ADDRESS
W
A
COMMAND CODE
A
DATA BYTE
A
PEC
A
P
MASTER TO SLAVE
SLAVE TO MASTER
Figure 58. Write Byte and Write Byte with PEC
S
SLAVE ADDRESS
W
A
COMMAND CODE
A Sr
SLAVE ADDRESS
R
A
DATA BYTE
A
P
S
SLAVE ADDRESS
W
A
COMMAND CODE
A Sr
SLAVE ADDRESS
R
A
DATA BYTE
A
PEC
A
P
MASTER TO SLAVE
SLAVE TO MASTER
Figure 59. Read Byte and Read Byte with PEC
S
SLAVE ADDRESS
W
A
COMMAND CODE
A
DATA BYTE LOW
A
DATA BYTE HIGH
A
P
S
SLAVE ADDRESS
W
A
COMMAND CODE
A
DATA BYTE LOW
A
DATA BYTE HIGH
A
PEC
A
P
MASTER TO SLAVE
SLAVE TO MASTER
Figure 60. Write Word and Write Word with PEC
S
SLAVE ADDRESS
W
A
COMMAND CODE
A Sr
SLAVE ADDRESS
R
A
DATA BYTE LOW
A
DATA BYTE HIGH
A
P
S
SLAVE ADDRESS
W
A
COMMAND CODE
A Sr
SLAVE ADDRESS
R
A
DATA BYTE LOW
A
DATA BYTE HIGH
A
PEC
A
P
MASTER TO SLAVE
SLAVE TO MASTER
Figure 61. Read Word and Read Word with PEC
Rev. C | Page 29 of 52
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