wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 164

• Manufacturer Part Number: wm8350
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8350
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The register control fields for Fast Charging are described in Table 105. See Section 17.7.5 for
details of battery charger termination.
R25 (15h)
Interrupt Status
1
R168 (A8h)
Battery charger
control 1
R169 (A9h)
Battery charger
control 2
R170 (AAh)
Battery
Charger
Control 3
Table 105 Fast Charging Control
ADDRESS
BIT
3:0
6:5
9
5
4
CHG_FAST_R
DY_EINT
CHG_FAST
CHG_FAST_U
SB_THROTTL
E
CHG_ISEL
[3:0]
CHG_THROTT
LE_T [1:0]
LABEL
DEFAULT
0110
00
0
0
0
Indicates that the charger is ready to go
into fast charge.
(Rising Edge triggered)
Note: This bit is cleared once read.
Enable fast charging.
0 = Fast charging cannot take place.
1 = Enable fast charging (will not start
until valid charging conditions are met).
Note: This register is held low and can
only be written to once the fast charge
ready signal has gone high.
Protected by security key.
Enable USB current throttling in fast
charge:
0 = Don't do any current throttling when
fast charging.
1 = Do current throttle while fast
charging.
Protected by security key.
Fast charge current limit setting.
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.
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.
DESCRIPTION
PD, June 2009, Rev 4.1
Production Data
164