Production Data
WM8352
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
0000 = off
0001 = 50mA
0010 = 100mA
… (50mA steps)
1111 = 750mA
Note: Do not set the charger to be more than
400mA when USB powered.
Protected by security key.
Register A9h Battery Charger Control 2
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R170 (AAh)
Battery
7
CHG_FRC
0
Allows trickle-charging to be forced even if the
battery voltage is above the default threshold
Charger
Control 3
0 = only trickle-charge if the battery voltage is
below CHG_VSEL-100mV
1 = always trickle-charge
Protected by security key. Reset by state
machine.
6:5
CHG_THROTTLE_T[1:0]
00
Time between steps when the charger throttles
back due to USB current limit.
00 = 8us
01 = 16us
10 = 32us
11 = 128us
Protected by security key.
Register AAh Battery Charger Control 3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R172 (ACh)
Current Sink
Driver A
15
CS1_ENA
0
Current Sink 1 enable (ISINKA pin)
0 = disabled
1 = enabled
Reset by state machine.
12
CS1_HIB_MODE
CS1_ISEL[5:0]
0
Current Sink 1 behaviour in Hibernate mode
0 = disable current sink in Hibernate
1 = leave current sink as in Active
Reset by state machine.
5:0
00_0000 ISINKA current
00_0000 = 4.05uA
00_0001 = 4.85uA
00_0010 = 5.64uA
00_0011 = 6.83uA
00_0100 = 8.02uA
00_0101 = 9.6uA
00_0110 = 11.2uA
00_0111 = 13.5uA
00_1000 = 16.1uA
00_1001 = 19.3uA
00_1010 = 22.4uA
00_1011 = 27.2uA
00_1100 = 32uA
PD, February 2011, Rev 4.4
285
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
