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PAC1941T-1E/4MX. Datasheet(PDF) 41 Page - Microchip Technology

Part # PAC1941T-1E/4MX.
Description  Single/Multi-Channel Power Monitor with Accumulator, 9V Full-Scale Range
PDF  96 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PAC1941T-1E/4MX. Datasheet(HTML) 41 Page - Microchip Technology

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 2021 Microchip Technology Inc.
DS20006543A-page 41
PAC194X
7.0
REGISTERS DESCRIPTION
TABLE 7-1:
REGISTER SET IN HEXADECIMAL ORDER
Register Name
Description
Type
Bytes
POR
Value
REFRESH (Address 00h) Register
Send Byte for REFRESH command
SEND
0
N/A
CTRL (ADDRESS 01H) Register
Configures sampling modes and ALERT
pins
R/W
2
0700h
(Note 2)
ACC_COUNT (02H) Register
Accumulator count for all channels
Block
Read
4
Note 1
VACCN (03H-06H) Register
Accumulator output for Channel 1
Block
Read
7
Note 1
Accumulator output for Channel 2
Block
Read
7
Note 1
Accumulator output for Channel 3
Block
Read
7
Note 1
Accumulator output for Channel 4
Block
Read
7
Note 1
VBUSN (07H-0AH) Register
VBUS measurement for Channel 1
Block
Read
2
Note 1
VBUS measurement for Channel 2
Block
Read
2
Note 1
VBUS measurement for Channel 3
Block
Read
2
Note 1
VBUS measurement for Channel 4
Block
Read
2
Note 1
VSENSEN (0BH-0EH) Register
VSENSE measurement for Channel 1
Block
Read
2
Note 1
VSENSE measurement for Channel 2
Block
Read
2
Note 1
VSENSE measurement for Channel 3
Block
Read
2
Note 1
VSENSE measurement for Channel 4
Block
Read
2
Note 1
VBUSN_AVG (0FH-12H) Register
Rolling average of the eight most recent
VBUS1 measurements
Block
Read
2
Note 1
Rolling average of the eight most recent
VBUS2 measurements
Block
Read
2
Note 1
Rolling average of the eight most recent
VBUS3 measurements
Block
Read
2
Note 1
Rolling average of the eight most recent
VBUS4 measurements
Block
Read
2
Note 1
Note 1: All the results registers, 03H-1Ah, have a POR value that is all zeros: 2 bytes → 0000h; 3 bytes →
000000h; 4 bytes → 00000000h; 7 bytes → 00000000000000h.
2: Register 01h has different default values for different devices, see Register 7-2.
3: Register FDh has different values depending on which member of the product family is selected. See
Register 7-37.



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