WM8325
PIN
NAME
TYPE
POWER
DOMAIN
ON Request Pin
(Internal pull-up)
DESCRIPTION
Production Data
Processor Interface and IC Control
W9
B10
¯¯¯
ON
RESET
¯¯¯¯¯¯
Digital Input
Digital I/O
VPMIC
DBVDD
System Reset Input and Open Drain Output.
(Internal pull-up)
PMIC Interrupt Flag Output.
Configurable Open Drain / CMOS mode.
(Internal pull-up in Open Drain mode.)
Primary Control Interface Mode Select:
A11
IRQ
¯¯¯
Digital Output
DBVDD
E1
CIFMODE
Digital Input
DBVDD
0 = I C Compatible Control Interface Mode
1 = SPI Compatible Control Interface Mode
SPI Compatible Control
Interface Mode
Control Interface Serial
Data Out.
I C Compatible Control
Interface Mode
2
2
D2
SDOUT1
Digital Output
Open Drain output;
external 4.7kΩ pull-up
recommended.
Control Interface Serial
Clock
DBVDD
No Function
B9
SCLK1
Digital Input
Control Interface Serial
Clock
Control Interface Serial
Data Input and Open
Drain Output.
External 4.7kΩ pull-up
recommended.
(Output can extend above
DBVDD domain.)
A9
SDA1
Digital I/O
Control Interface Serial
Data In
A10
CS
¯¯
Digital Input
Control Interface Chip
Select
I C Address Select:
0 = 68h
1 = 6Ch
2
Y10
SCLK2
Digital I/O
VPMIC
Control Interface Serial Clock for external
TM
InstantConfig EEPROM (ICE)
(Internal pull-down)
Control Interface Serial Data to/from external
TM
InstantConfig EEPROM (ICE)
(Internal pull-down)
Digital Buffer Supply
Digital Buffer Supply
High-voltage input for OTP programming.
W10
B11
F1
OTP Memory
Y3
SDA2
DBVDD1
DBVDD2
PROGVDD
Digital I/O
Supply
Supply
Supply
w
PD, February 2012, Rev 4.0
10
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
