WM8325
Production Data
BLOCK DIAGRAM
GND
DC-DC1
Buck
0.6 to 1.8V
1.25A
DC-DC2
Buck
0.6 to 1.8V
2.5A
DC-DC3
Buck
0.85 to 3.4V
1A
DC-DC4
Buck
0.85 to 3.4V
1A
DBVDD
Instant
ConfigTM
EEPROM
Interface
(Exposed Ground Paddle)
Interrupt and
Reset Controller
Primary Control
Interface
PROGVDD
DVS
DVS
Dual Mode Control
System
Status
LED
OTP NVM
Bootstrap
Config &
Unique ID
Register Map and
Application Processor
Interface
VREFC
IREFR
LED1
LED2
References
Driver
LDO 1 Standard LDO
0.9 to 3.3V 300mA
LDO1VOUT
LDO1_2VDD
LDO2VOUT
LDO 2 Standard LDO
0.9 to 3.3V 200mA
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
1 to 4MHz
RC
Oscillator
WM8325
LDO3VDD
LDO3VOUT
LDO4VDD
LDO4VOUT
LDO5VDD
LDO5VOUT
LDO6VDD
LDO6VOUT
LDO 3 Standard LDO
0.9 to 3.3V 200mA
Multi-
Function Pin
(GPIO)
Power
Management
Control
LDO 4 Standard LDO
0.9 to 3.3V 100mA
`
Controller
PM Sub-
System
Monitoring
LDO 5 Standard LDO
0.9 to 3.3V 100mA
LDO 6 Standard LDO
0.9 to 3.3V 100mA
LDO 7 Analogue LDO
1.0 to 3.5V 200mA
LDO7VOUT
LDO7_8VDD
LDO8VOUT
ON
AP Interface, GPIOs and PM Control
LDO 8 Analogue LDO
1.0 to 3.5V 200mA
LDO 9 Analogue LDO
1.0 to 3.5V 150mA
LDO9VOUT
LDO9_10VDD
LDO10VOUT
GPIO10
GPIO11
GPIO12
LDO 10 Analogue LDO
1.0 to 3.5V 150mA
Aux
ADC
LDO 11 Alive LDO
0.8 to 1.55V 25mA
CHIP temperature
LDO11VOUT
LDO12VOUT
LDO 12 Internal LDO
2.1V 2mA
(Backup Battery Connection)
XTO
XTI
32.768kHz
Oscillator
Real-Time
Clock
Wake-Up
Timer
LDO 13 Internal LDO
2.5V 20mA
LDO13VOUT
PVDD
XOSCGND
CLKOUT
TEST
Internal Power Source
Management
(test function only)
Clocking and Auxiliary ADC Functions
Power Management
PD, February 2012, Rev 4.0
2
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
