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PAC1721 Datasheet(PDF) 36 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) 36 Page - Microchip Technology

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PAC1721
DS-20007088A-page 36
 2026 Microchip Technology Inc. and its subsidiaries
NEG_PWR_FSR_ACT (Address 18h) Currently active settings for
NEG_PWR_FSR register
R1
00h
SLOW_ALERT0 (Address 19h)
Assign specific alerts to A0
R/W
2
0000h
GPIO_ALERT1 (Address 1Ah)
Assign specific alerts to A1
R/W
2
0000h
ACC_FULL_LIMIT (Address 1BH)
Set Accumulator and
Accumulator Count Fullness
limits
R/W
1
01h
OC_LIMIT (Address 1CH)
Set overcurrent limit
R/W
1
00h
UC_LIMIT (Address 1DH)
Set undercurrent limit
R/W
1
00h
OP_WARNING_LIMIT (Address 1EH) Set overpower warning limit
R/W
2
0000h
OP_CRITICAL_LIMIT (Address 1FH)
Set overpower critical limit
R/W
2
0000h
OV_LIMIT (Address 20H)
Set overvoltage limit
R/W
1
00h
UV_LIMIT (Address 21H)
Set undervoltage limit
R/W
1
00h
STEP_LIMIT (Address 22H)
Set step limit
R/W
1
00h
N-SAMPLES_LIMIT (Address 23h)
Set number of consecutive
samples over set threshold to
trigger an alert
R/W
2
00h
ALERT_ENABLE (Address 24h)
Enables alerts
R/W
2
0000h
ACC_COUNT_PRESET (Address 25h) Accumulator Count Preset
R/W
2
0000h
VACC_PRESET (Address 26h)
Accumulator Preset
R/W
2
0000h
. . .
Registers 27h to FCh are not used, Note 1
. . .
PRODUCT_ID (Address FDh)
Stores the Product ID
R
1
81h
MANUFACTURER_ID (Address FEh) Stores the Manufacturer ID
R
1
54h
REVISION_ID (Address FFh)
Stores the Revision Number
R
1
04h
TABLE 6-1:
PAC1721 REGISTERS (CONTINUED)
Register Name and Address
Description
Type
Bytes
POR
Value
Note 1:
Unimplemented/reserved bits in registers can be read and written, but they do not impact any internal functionality.
2:
If the data written to a register is less than the full register size, the data is written to the register’s MSBs.



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