WM8352
Production Data
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
DCOMP4 source select.
REFER TO
R167 (A7h) 15:13 DCMP4_SRCSEL[2:0]
000
Generic
comparator
4
000 = AUX1
001 = AUX2
010 = AUX3
011 = AUX4
100 = USB
101 = LINE
110 = BATT
111 = TEMP
Reset by state machine.
DCOMP4 interrupt control
12
DCMP4_GT
0
0 = interrupt when the source is less than
threshold
1 = interrupt when the source is greater
than threshold
11:0
DCMP4_THR[11:0]
0000_0000_0000 DCOMP4 threshold
(12-bit unsigned binary number)
Register A7h Generic comparator 4
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R168 (A8h)
Battery
15
CHG_ENA
1
CHG_ENA bit selects battery charger
current control
Charger
Control 1
0 = Set battery charger current to zero
1 = Enable battery charge control
Protected by security key. Reset by state
machine. Default held in metal mask.
12:10
CHG_EOC_SEL[2:0]
000
Selects what the end of charge current
should be set to
000 = 20mA
001 = 30mA
(10mA steps)
...
111 = 90mA
Protected by security key.
9
8
7
CHG_TRICKLE_TEMP_CHOKE
CHG_TRICKLE_USB_CHOKE
CHG_RECOVER_T
0
0
0
Enable trickle charge temperature
choking
0 = disable
1 = enable
Protected by security key. Reset by state
machine.
Enable USB current choking in trickle
charge
0 = disable
1 = enable
Protected by security key. Reset by state
machine.
Time constant adjust for charger choke
recovery (step-up):
0 = Step-up time constant is 180us
(allows faster recovery between
processor wakeups)
1 = Step-up time constant is >20ms
(outside audio band)
PD, February 2011, Rev 4.4
282
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
