Pre-Production
PIN
NAME
TYPE
POWER
DOMAIN
DESCRIPTION
WM8311
Power Path Management
H5, H6,
J5, J6, K5
K4, K7, L4,
L5, L7
K6, L6
B1
H4
J4
F3
G5
F6
F7
Do Not Connect
J10
DNC
Do Not Connect
SYSVDD
USBVDD
BATTVDD
¯¯¯¯¯¯¯¯¯¯¯¯
BATTFETENA
WALLVDD
WALLFETENA
¯¯¯¯¯¯¯¯¯¯¯¯
NTCBIAS
NTCMON
LED1
LED2
Analogue Output
Analogue Input
Digital Output
Digital Output
Supply
Supply
Supply
Digital Output
Supply
Digital Output
highest VDD
supply
VPMIC
PVDD
System VDD Supply
USB VDD Supply
Primary Battery Supply
External Battery FET Driver
Wall VDD Supply/Sense
External Wall FET Driver.
Power domain is the highest out of WALLVDD,
USBVDD or BATTVDD.
Battery NTC Temperature Monitor Supply
Battery NTC Temperature Monitor Voltage Sense Input
Status LED Driver 1. Open Drain Output
Status LED Driver 2. Open Drain Output
System LED Drivers
SYSVDD
w
PP, May 2012, Rev 3.1
13
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
