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BQ25120_16 Datasheet, PDF (42/68 Pages) Texas Instruments – Highly Integrated Battery Charge Management Solution | |||
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BQ25120, BQ25121
SLUSBZ9B â AUGUST 2015 â REVISED MAY 2016
www.ti.com
9.6.9 Push-button Control Register
Memory location 0x08h, Reset State: 0110 10xx (bq25120)
Figure 31. Push-button Control Register
7 (MSB)
6
5
4
3
2
0
1
1
0
1
0
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
1
0 (LSB)
x
x
R
R
Table 20. Push-button Control Register
Bit Field
B7 (MSB) MRWAKE1
B6
MRWAKE2
B5
MRREC
B4
MRRESET_1
B3
MRRESET_0
B2
PGB_MR
B1
WAKE1
B0 (LSB) WAKE2
Type
R/W
Reset
0
R/W
1
R/W
1
R/W
0
R/W
1
R/W
0
R
x
R
x
Description
MR Timer adjustment for WAKE1:
0 â 50 ms < MR < 500 ms
1 â 500 ms < MR < 1000 ms
MR Timer adjustment for WAKE2:
0 â1000 ms < MR < 1500 ms
1 â 1500 ms < MR < 2000 ms
0 â After Reset, device enters Ship mode
1 â After Reset, device enters Hi-Z Mode
MR Timer adjustment for reset:
00 â 4 s ± 10%
01 - 8 s ± 10%
10 - 10 s ± 10%
11 - 14 s ± 10%
0 â Output functions as PG
1 â Output functions as voltage shifted push-button (MR) input
1 â WAKE1 status. Indicates when the device meets the WAKE1
conditions, and is cleared after I2C read.
1 â WAKE2 status. Indicates when the device meets the WAKE2
conditions, and is cleared after I2C read.
42
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