ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
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Revision 2.4
5.5
Brownout Detection and Temperature Alarm
The I91200 is equipped with a Brown-Out voltage detector. The Brown-Out detector features a
configurable trigger level and can be configured by flash to be active upon reset. The Brown-Out
detector also has a power saving mode where detection can be set up to be active for a configurable on
and off time.
BOD operation require that the OSC10k low power oscillator is enabled (CLK_PWRCTL.LIRCDPDEN =
0).
5.5.1
Brownout Register Map
R:
read only,
W:
write only,
R/W:
both read and write
Register
Offset
R/W Description
Reset Value
BOD Base Address:
BOD_BA = 0x4008_4000
BOD_BODSEL
0x00
R/W Brown Out Detector Select Register
0x0000_0000
BOD_BODCTL
0x04
R/W Brown Out Detector Enable Register
0x000X_000X
BOD_BODDTMR
0x10
R/W Brown Out Detector Timer Register
0x0003_03E3
