Production Data
WM8326
30 APPLICATIONS INFORMATION
30.1 TYPICAL CONNECTIONS
CPU ARM Core
CPU Internal Logic & Caches
Memory NOR / DDR_SDRAM
Memory NOR / DDR_SDRAM
PVDD
CPU ALIVE
LDO11VOUT
CPU_PLL
WiFi
LDO10VOUT
LDO9VOUT
LDO8VOUT
LED2
LED1
Power status
HD Radio RF
HD Radio Core
LDO7VOUT
LDO6VOUT
EGP (Exposed
Ground Paddle)
Mobile TV
CPU_IO_Block
LDO5VOUT
CPU_DAC
CPU_ADC
CPU_RTC
CPU_OTG
LDO4VOUT
LDO3VOUT
LDO2VOUT
LDO1VOUT
VREFC
IREFR
LDO13VOUT2
LDO13VOUT1
WM8326
Backup Battery
LDO12VOUT
GPIO12
GPIO11
GPIO10
External voltage
measurement inputs
GPIO9
GPIO8
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
GPIO1
DCDC3VOUT
DCDC3VOUT
LDO9_10VDD
General Purpose
Input/Output pins
DBVDD2
DBVDD1
LDO7_8VDD
LDO6VDD
LDO5VDD
LDO4VDD
LDO3VDD
SDOUT1
SDA2
SCLK2
Configuration data
loaded from
internal OTP
LDO1_2VDD
2 wire I2C
slave
SDA1
SCLK1
DC4VDD
DC3VDD
DC2VDD
DC1VDD
/ CS
CIFMODE
PROGVDD
Device ID 34h
2 wire I2C
System
Power In
Figure 28 WM8326 Typical Connections Diagram
For detailed schematics, bill of materials and recommended external components refer to the
WM8326 evaluation board users manual.
PD, June 2012, Rev 4.0
247
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
