WM8311
BLOCK DIAGRAM
CS
SDA1
SCLK1
SDOUT1
CIFMODE
DC1GND
DC1FB
DC1LX
DC1VDD
DC4GND
DC4FB
DC4LX
DC4VDD
DC2GND
DC2FB
DC2LX
DC2VDD
DC3GND
DC3FB
DC3LX
DC3VDD
IRQ
RESET
Pre-Production
SDA2
SCLK2
DBVDD
DBGND
PROGVDD
Interrupt and
Reset Controller
Primary Control
Interface
Instant-
Config™
EEPROM
Interface
OTP NVM
Bootstrap
Config &
Unique ID
DC-DC1
Buck
0.6 to 1.8V
1.2A
DVS
DC-DC2
Buck
0.6 to 1.8V
1.2A
DVS
DC-DC3
Buck
0.85 to 3.4V
1A
DC-DC4
Boost
up to 30V,
up to 90mA
LED Sink
GND
PVDD
LED1
LED2
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
ON
TPVDD
GPIO13
GPIO14
GPIO15
GPIO16
TPGND
AUXADCIN1
AUXADCIN2
AUXADCIN3
AUXADCIN4
USBVMON
SYSVMON
BATTVMON
NTCBIAS
NTCMON
XTO
XTI
XOSCGND
CLKOUT
CLKIN
System
Status
LED
Driver
Register Map and
Application Processor
Interface
ISINK1
ISINK2
ISINKGND
LDO1VDD
LDO1VOUT
LDO2VDD
LDO2VOUT
LDO3VDD
LDO3VOUT
LDO4VDD
LDO4VOUT
LDO5VDD
LDO5VOUT
LDO 1
Standard LDO
0.9 to 3.3V 300mA
LDO 2
Standard LDO
0.9 to 3.3V 200mA
LDO 3
Standard LDO
0.9 to 3.3V 200mA
WM8311
LDO 4
Standard LDO
0.9 to 3.3V 100mA
LDO 5
Standard LDO
0.9 to 3.3V 100mA
Multi-
Function Pin
(GPIO)
Controller
Power
Management
Control
1 to 4MHz
RC
Oscillator
PM Sub-
System
Monitoring
`
AP Interface, GPIOs and PM Control
LDO 7
Analogue LDO
1.0 to 3.5V 200mA
LDO7VDD
LDO7VOUT
4/5-Wire
Resistive
Touch-Panel
Interface
LDO 11
Alive LDO
0.8 to 1.55V 25mA
Aux
ADC
LDO 12
Internal LDO
2.1V 2mA
LDO 13
Internal LDO
2.5V 20mA
Supply Voltage
and Battery
Monitor
LDO11VOUT
LDO12VOUT
(Backup Battery Connection)
LDO13VOUT
SYSVDD
WALLVDD
32.768kHz
Oscillator
Real-Time
Clock
Wake-Up
Timer
Battery
Charger
1A
Power Path
Management
Switching
Matrix
USBVDD
BATTVDD
BATTFETENA
WALLVDD
WALLFETENA
VREFC
IREFR
REFGND
FLL
Auxiliary Functions
Power Management
References
w
PP, May 2012, Rev 3.1
2
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
