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PAC1932/3/4 数据表(PDF) 29 Page - Microchip Technology

部件名 PAC1932/3/4
功能描述  Multi-Channel DC Power/Energy Monitor with Accumulator
PDF  62 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PAC1932/3/4 数据表(HTML) 29 Page - Microchip Technology

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 2017-2018 Microchip Technology Inc.
DS20005850C-page 29
PAC1932/3/4
5.6
I2C/SMBus Commands
5.6.1
REFRESH AND REFRESH_V
REFRESH and REFRESH_V commands are sent
using the Send byte command, the Slave Address and
the desired command (00h for REFRESH or 1Fh for
REFRESH_V. See Table 5-3.
5.6.2
GENERAL CALL ADDRESS
RESPONSE
When the master sends the General Call address, the
PAC1932/3/4 will be able to execute the REFRESH
command by means of a second version of the
REFRESH command called REFRESH_G (see
Register 6-12
REFRESH_G Command (Address
1Eh)).
Just as the REFRESH command is sent using a Send
Byte command with the slave address, and the
REFRESH
command
(00h),
the
REFRESH_G
command is sent using Send Byte with the General
Call address (0000 000) and the REFRESH_G
command (1Eh).
Table 5-4
shows the response to the General Call
command for REFRESH_G.
5.6.3
WRITE BYTE
The Write Byte is used to write one byte of data to the
registers, as shown in Table 5-5.
TABLE 5-3:
REFRESH AND REFRESH_V COMMANDS
START
Slave Address
WR
ACK
REFRESH or
REFRESH_V
Command
ACK
STOP
1
 0
YYYY_YYY
0
0
00h or 1Fh
0
0
 1
TABLE 5-4:
GENERAL CALL RESPONSE
START
General Call
Address
WR
ACK
REFRESH_G
Command
ACK
STOP
1
 0
0000_000
0
0
1Eh
0
0
 1
TABLE 5-5:
WRITE BYTE PROTOCOL
START
Slave
Address
WR
ACK
Register
Address
ACK
Register
Data
ACK
STOP
1
 0
YYYY_YYY
0
0
XXh
0
XXh
0
0
 1



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