wm8325gefl/v Wolfson Microelectronics plc, wm8325gefl/v Datasheet - Page 6

• Manufacturer Part Number: wm8325gefl/v
• Description: Processor Power Management Subsystem
• Manufacturer: Wolfson Microelectronics plc

WM8325
PIN DESCRIPTION
Notes:
1.
2.
Clocking and Real Time Clock
General Purpose Input / Output and Auxiliary ADC
Processor Interface and IC Control
w
W11
Y12
Y11
B10
A11
A10
PIN
W4
W5
W6
W9
H1
G1
D3
H2
H3
D2
F2
F3
Y4
K3
Y5
Y6
E1
B9
A9
Pins are sorted by functional groups.
The power domain associated with each pin is noted; VPMIC is the domain powered by LDO12 for the ‘always-on’
functions internal to the WM8325.
XOSCGND
CIFMODE
CLKOUT
SDOUT1
GPIO10
GPIO11
GPIO12
RESET
¯ ¯ ¯ ¯ ¯ ¯
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
SCLK1
NAME
TEST
SDA1
XTO
IRQ
¯ ¯ ¯
¯ ¯ ¯
XTI
ON
CS
¯ ¯
Analogue Output
Analogue Input
Digital Output
Digital Output
Digital Output
Digital Input
Digital Input
Digital Input
Digital Input
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Supply
TYPE
DBVDD or
DBVDD or
DBVDD or
DBVDD or
DOMAIN
POWER
DBVDD
DBVDD
DBVDD
DBVDD
DBVDD
VPMIC
VPMIC
VPMIC
VPMIC
PVDD
PVDD
Crystal Drive Output
Crystal Drive Input or 32.768kHz CMOS Clock Input
Crystal Oscillator Ground
CMOS Clock Output
Test function (connect to GND)
GPIO Pin 1
GPIO Pin 2
GPIO Pin 3
GPIO Pin 4
GPIO Pin 5
GPIO Pin 6
GPIO Pin 7
GPIO Pin 8
GPIO Pin 9
GPIO Pin 10 / Auxiliary ADC input
GPIO Pin 11 / Auxiliary ADC input
GPIO Pin 12 / Auxiliary ADC input
ON Request Pin
(Internal pull-up)
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:
0 = I
1 = SPI Compatible Control Interface Mode
SPI Compatible Control
Interface Mode
Control Interface Serial
Data Out
Control Interface Serial
Clock
Control Interface Serial
Data In
Control Interface Chip
Select
2
C Compatible Control Interface Mode
Product Brief, February 2011, Rev 1.4
DESCRIPTION
I
Interface Mode
No Function
Control Interface Serial
Clock
Control Interface Serial
Data Input and Open
Drain Output.
(Output can extend above
DBVDD domain.)
I
0 = 68h
1 = 6Ch
2
2
C Compatible Control
C Address Select:
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