User manual

www.ti.com

BATMON Registers

18.3.1.10 BAT Register (Offset = 28h) [reset = X]

BAT is shown in Figure 18-10 and described in Table 18-11.

Last Measured Battery Voltage This register may be read while BATUPD.STAT = 1

Figure 18-10. BAT Register

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

RESERVED INT FRAC

R-X R-X R-X

Table 18-11. BAT Register Field Descriptions

Bit Field Type Reset Description

31-11 RESERVED R X

Software should not rely on the value of a reserved. Writing any

other value than the reset value may result in undefined behavior.

10-8 INT R X

Integer part: 0x0: 0V + fractional part ... 0x3: 3V + fractional part 0x4:

4V + fractional part

7-0 FRAC R X

Fractional part, standard binary fractional encoding. 0x00: .0V ...

0x20: 1/8 = .125V 0x40: 1/4 = .25V 0x80: 1/2 = .5V ... 0xA0: 1/2 +

1/8 = .625V ... 0xFF: Max

1323

SWCU117A–February 2015–Revised March 2015 Battery Monitor and Temperature Sensor

Submit Documentation Feedback