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PAC1721 Datasheet(PDF) 59 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) 59 Page - Microchip Technology

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 2026 Microchip Technology Inc. and its subsidiaries
DS-20007088A-page 59
PAC1721
REGISTER 6-20:
NEG_PWR_FSR (ADDRESS 13H)
U-0
U-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
–
–
–
–
CFG_VS[1:0]
CFG_VB[1:0]
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as 0
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
X = Bit is unknown
This register is used to configure FSR for VBUS and/or VSENSE.
Bipolar ranges for VBUS and VSENSE enable the measurement of bipolar voltages and currents.
Issue a Refresh (any) command to copy NEG_PWR_FSR register settings to the NEG_PWR_FSR_ACT register.
bit 7:4
Unimplemented at this time. Always reads 0.
bit 3:2
CFG_VS[1:0]: Configure FSR for VSENSE measurements.
00b = VSENSE is in Unipolar 0-FSR mode: 0V to +100 mV FSR (default)
01b = VSENSE is in Bipolar ± FSR mode: –100 mV to +100 mV FSR
10b = VSENSE is in Bipolar ± FSR/2 mode: –50 mV to +50 mV FSR/2
11b = Reserved
bit 1:0
CFG_VB[1:0]: Configure FSR for VBUS measurements.
00b = VBUS is in Unipolar 0-FSR mode: 0V to +9V FSR (default)
01b = VBUS is in Bipolar ± FSR mode: –9V to +9V FSR
10b = VBUS is in Bipolar ± FSR/2 mode: –4.5V to +4.5V FSR/2
11b = Reserved



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