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WM8326 Datasheet, PDF (11/255 Pages) Wolfson Microelectronics plc – Processor Power Management Subsystem
Production Data
PIN
NAME
TYPE
DC-DC Converters and LDO Regulators
B7
DC1GND
Supply
A8
DC1FB
Analogue Input
A7
DC1LX
Analogue I/O
B8
DC1VDD
Supply
B6
DC2GND
Supply
A5
DC2FB
Analogue Input
A6
DC2LX
Analogue I/O
B5
DC2VDD
Supply
M1
DC3GND
Supply
J1
DC3FB
Analogue Input
L1
DC3LX
Analogue I/O
K1
DC3VDD
Supply
N1
DC4GND
Supply
T1
DC4FB
Analogue Input
P1
DC4LX
Analogue I/O
R1
DC4VDD
Supply
A3
LDO1_2VDD
Supply
B2
LDO1VOUT
Analogue Output
B3
LDO2VOUT
Analogue Output
B4
LDO3VDD
Supply
A4
LDO3VOUT
Analogue Output
W3
LDO4VDD
Supply
Y2
LDO4VOUT
Analogue Output
Y1
LDO5VDD
Supply
W2
LDO5VOUT
Analogue Output
W1
LDO6VDD
Supply
V1
LDO6VOUT
Analogue Output
R3
LDO7_8VDD
Supply
N2
LDO7VOUT
Analogue Output
R2
LDO8VOUT
Analogue Output
M2
LDO9_10VDD
Supply
M3
LDO9VOUT
Analogue Output
N3
LDO10VOUT
Analogue Output
V3
LDO11VOUT
Analogue Output
Y8
LDO12VOUT
Analogue I/O
W7
LDO13VOUT1
Analogue I/O
K2
LDO13VOUT2
Analogue I/O
Voltage and Current References
W8
VREFC
Analogue I/O
Y9
IREFR
Analogue I/O
System LED Drivers
U3
LED1
Digital Output
U2
LED2
Digital Output
POWER
DOMAIN
DESCRIPTION
WM8326
DC1VDD
DC2VDD
DC3VDD
DC4VDD
LDO1VDD
LDO2VDD
LDO3VDD
LDO4VDD
LDO5VDD
LDO6VDD
LDO7VDD
LDO8VDD
LDO9VDD
LDO10VDD
PVDD
PVDD
PVDD
PVDD
DC-DC1 Power Ground
DC-DC1 Feedback Pin
DC-DC1 Inductor Connection
DC-DC1 Power Input (connect to PVDD system supply)
DC-DC2 Power Ground
DC-DC2 Feedback Pin
DC-DC2 Inductor Connection
DC-DC2 Power Input (connect to PVDD system supply)
DC-DC3 Power Ground
DC-DC3 Feedback Pin
DC-DC3 Inductor Connection
DC-DC3 Power Input (connect to PVDD system supply)
DC-DC4 Power Ground
DC-DC4 Feedback Pin
DC-DC4 Inductor Connection
DC-DC4 Power Input (connect to PVDD system supply)
LDO1 & LDO2 Power Input
LDO1 Power Output
LDO2 Power Output
LDO3 Power Input
LDO3 Power Output
LDO4 Power Input
LDO4 Power Output
LDO5 Power Input
LDO5 Power Output
LDO6 Power Input
LDO6 Power Output
LDO7 & LDO8 Power Input
LDO7 Power Output
LDO8 Power Output
LDO9 Power Input
LDO9 Power Output
LDO10 Power Output
LDO11 (Alive) Power Output
LDO12 (Internal VPMIC) Output;
Backup battery supply input / output
LDO13 (Internal INTVDD) Output; not for general use
LDO13 - Connect to LDO13VOUT1 (W7)
VPMIC
Voltage Reference capacitor connection point
Current Reference resistor connection point
PVDD
Status LED Driver 1. Open Drain Output
Status LED Driver 2. Open Drain Output
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PD, June 2012, Rev 4.0
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