FUNC_PMU_CONTROL Registers
73
SLVUAH1C – June 2015 – Revised April 2017
Copyright © 2015–2017, Texas Instruments Incorporated
Register Descriptions
3.7.3 VSYS_LO Register (Address = 1A2h) [reset = X]
VSYS_LO is shown in
and described in
Return to
VSYS Low threshold register
RESET register domain: HWRST
Figure 3-59. VSYS_LO Register
7
6
5
4
3
2
1
0
RESERVED
THRESHOLD
R-0h
R-X
Table 3-66. VSYS_LO Register Field Descriptions
Bit
Field
Type
Reset
Description
7-5
RESERVED
R
0h
4-0
THRESHOLD
R
X
VSYS_LO - System voltage falling edge threshold. When VCCx
input falls below VSYS_LO, device enters OFF mode and is ready
for start-up event.
Configured by OTP bits. From 2.5V to 3.10V per 50mV step.
00000 = 2.300 V (Reserved)
00001 = 2.050 V (Reserved)
00010 = 2.100 V (Reserved)
00011 = 2.150 V (Reserved)
00100 = 2.200 V (Reserved)
00101 = 2.250 V (Reserved)
00110 = 2.300 V (Reserved)
00111 = 2.350 V (Reserved)
01000 = 2.400 V (Reserved)
01001 = 2.450 V (Reserved)
01010 = 2.500 V
01011 = 2.550 V
01100 = 2.600 V
01101 = 2.650 V
01110 = 2.700 V
01111 = 2.750 V
10000 = 2.800 V
10001 = 2.850 V
10010 = 2.900 V
10011 = 2.950 V
10100 = 3.000 V
10101 = 3.050 V
10110 = 3.100V
10111 = Reserved
..
11111 = Reserved