WM8311
PIN
NAME
TYPE
POWER
DOMAIN
DESCRIPTION
Pre-Production
DC-DC Converters and LDO Regulators
B11, C1,
C4, D3,
E8, L1,
L10
A1
L8
A8, B8
A11
A9, B9
A10, B10
A7, B7
C5
A6, B6
A5, B5
A4, B4
C3
A3, B3
A2, B2
F11
E11
E9
E10
K1
K2
J1
J2
H1
H2
E1
E2
D1
D2
G1
G2
G9
J10, K10
D10
Current Sinks
H9
G8
H10
J7
H7
J11
ISINK1
ISINK2
ISINKGND
VREFC
IREFR
REFGND
Analogue Output
Analogue Output
Supply
Analogue I/O
Analogue I/O
Supply
SYSVDD
LED String Current Sink 1
LED String Current Sink 2
LED String Current Sink Ground
Voltage Reference capacitor connection point
Current Reference resistor connection point
Reference Ground
Supply
GND
PVDD1
PVDD2
DC1GND
DC1FB
DC1LX
DC1VDD
DC2GND
DC2FB
DC2LX
DC2VDD
DC3GND
DC3FB
DC3LX
DC3VDD
DC4GND
DC4FB
DC4LX
DC4VDD
LDO1VDD
LDO1VOUT
LDO2VDD
LDO2VOUT
LDO3VDD
LDO3VOUT
LDO4VDD
LDO4VOUT
LDO5VDD
LDO5VOUT
LDO7VDD
LDO7VOUT
LDO11VOUT
LDO12VOUT
LDO13VOUT
Supply
Supply
Supply
Analogue Input
Analogue I/O
Supply
Supply
Analogue Input
Analogue I/O
Supply
Supply
Analogue Input
Analogue I/O
Supply
Supply
Analogue Input
Analogue I/O
Supply
Supply
Analogue Output
Supply
Analogue Output
Supply
Analogue Output
Supply
Analogue Output
Supply
Analogue Output
Supply
Analogue Output
Analogue Output
Analogue I/O
Analogue I/O
LDO7VDD
PVDD
PVDD
PVDD
LDO5VDD
LDO4VDD
LDO3VDD
LDO2VDD
LDO1VDD
DC4VDD
DC3VDD
DC2VDD
DC1VDD
Ground
Internal VDD supply; Connect to SYSVDD
DC-DC1 Power Ground
DC-DC1 Feedback Pin
DC-DC1 Inductor Connection
DC-DC1 Power Input (connect to SYSVDD supply)
DC-DC2 Power Ground
DC-DC2 Feedback Pin
DC-DC2 Inductor Connection
DC-DC2 Power Input (connect to SYSVDD supply)
DC-DC3 Power Ground
DC-DC3 Feedback Pin
DC-DC3 Inductor Connection
DC-DC3 Power Input (connect to SYSVDD supply)
DC-DC4 Power Ground
DC-DC4 Feedback Connection
DC-DC4 Inductor Connection
DC-DC4 Power Input (connect to SYSVDD supply)
LDO1 Power Input (must be
≤
SYSVDD supply)
LDO1 Power Output
LDO2 Power Input (must be
≤
SYSVDD supply)
LDO2 Power Output
LDO3 Power Input (must be
≤
SYSVDD supply)
LDO3 Power Output
LDO4 Power Input (must be
≤
SYSVDD supply)
LDO4 Power Output
LDO5 Power Input (must be
≤
SYSVDD supply)
LDO5 Power Output
LDO7 Power Input
LDO7 Power Output
LDO11 (Alive) Power Output
LDO12 (Internal VPMIC) Output;
Backup battery supply input / output
LDO13 (Internal INTVDD) Output; not for general use
Voltage and Current References
VPMIC
w
PP, May 2012, Rev 3.1
12
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
