wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 284

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

REGISTER
WM8351
Register A8h Battery Charger Control 1
REGISTER
w
ADDRESS
ADDRESS
R169 (A9h)
Control 2
Charger
Battery
BIT
13:12
BIT
11:8
15
14
3
2
1
0
CHG_BATT_COLD_MON
CHG_CHIP_TEMP_MON
CHG_BATT_HOT_MON
CHG_TIME[3:0]
CHG_STS[1:0]
CHG_ACTIVE
CHG_PAUSE
CHG_NTC_MON
LABEL
LABEL
DEFAULT
1011
00
0
0
DEFAULT
1
1
1
1
Charger Status.
0 = Battery Charging is inactive
1 = Battery Charging is active
(Note CHG_ENA is just a request; the WM8351
determines if the conditions are satisfied for
Battery Charging).
Default held in metal mask.
0 = Don't pause the charger
1 = Pause charging
Reset by state machine.
00 = Charger off, current set to 0.
01 = In trickle charge mode.
10 = In fast charge mode.
11 = Reserved
Writing to his field set the charge timeout
duration:
0000 = 60min
0001 = 90min
0010 = 120min
0011 = 150min
Protected by security key. Reset by state
machine.
Enable charger battery NTC detection
(some batteries may not need this - turn
off with caution)
0 = Charger ignores NO_NTC detection.
1 = Charger monitors NO_NTC
detection.
Default held in metal mask.
Enable charger battery temperature high
detection (some batteries may not need
this - turn off with caution)
0 = Charger ignores battery temperature
too high.
1 = Charger monitors battery
temperature too high.
Default held in metal mask.
Enable charger battery temperature low
detection (some batteries may not need
this - turn off with caution)
0 = Charger ignores battery temperature
low.
1 = Charger monitors battery
temperature low.
Default held in metal mask.
Enable charger chip temperature
detection (some batteries may not need
this - turn off with caution)
0 = Charger ignores chip temperature
1 = Charger monitors chip temperature
Protected by security key. Default held in
metal mask.
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
Production Data
284