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PAC1721 Datasheet(PDF) 34 Page - Microchip Technology

Part # PAC1721
Description  Single-Channel Power Monitor with Accumulator, 9V Full Scale Range
PDF  92 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PAC1721 Datasheet(HTML) 34 Page - Microchip Technology

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PAC1721
DS-20007088A-page 34
 2026 Microchip Technology Inc. and its subsidiaries
5.6.10
BLOCK READ – SMBUS VERSION
If the BYTE_COUNT bit in the SMBUS_SETTINGS
register is set to 1b, Block Read results in PAC1721
sending the byte count before register data. This
means that, during a transaction, the byte count is
included each time a new register is read. This is
shown in Table 5-11.
TABLE 5-11:
BLOCK READ – SMBUS VERSION (MUST SET BYTE COUNT BIT)
START
Condition
Target
Address
WR
ACK
Register
Address
ACK
START
Condition
Target
Address
RD
ACK
1 → 0
YYYY_YYY
00
XXh
01 → 0
YYYY_YYY
10
Byte
Count
ACK
Register
Data
ACK
Byte
Count
Register
Data
ACK
Byte
Count
Register
Data
NACK
STOP
Condition
XXh = N
0
XXh
0
XXh = N
XXh
0
XXh = N
XXh
10 → 1



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