WM8310 Wolfson Microelectronics plc, WM8310 Datasheet - Page 5

• Manufacturer Part Number: WM8310
• Description: Processor Power Management Subsystem
• Manufacturer: Wolfson Microelectronics plc

Product Brief
PIN DESCRIPTION
Notes:
1.
2.
Auxiliary ADC
Clocking and Real Time Clock
General Purpose Input / Output
Processor Interface and IC Control
w
M13
M10
G11
G10
N13
N12
D13
E13
H12
N11
D11
C13
PIN
L10
N5
K8
G5
N4
E5
E6
E7
E8
D5
L4
F9
F7
F8
J7
J9
J3
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; INTVDD is the domain powered by LDO13 which supplies the control circuitry for many of the power
management blocks.
AUXADCIN1
AUXADCIN2
AUXADCIN3
AUXADCIN4
BATTVMON
USBVMON
XOSCGND
SYSVMON
CIFMODE
CLKOUT
SDOUT1
GPIO10
GPIO11
GPIO12
RESET
¯¯¯¯¯¯
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
NAME
CLKIN
XTO
¯¯¯
IRQ
¯¯¯
XTI
ON
Analogue Output
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Analogue Input
Digital Output
Digital Output
Digital Output
Input/Output
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
Analogue
Supply
TYPE
DBVDD1 or
DBVDD1 or
DBVDD1 or
DBVDD1 or
BATTVDD
USBVDD
SYSVDD
SYSVDD
SYSVDD
SYSVDD
DOMAIN
DBVDD3
DBVDD2
DBVDD1
DBVDD1
DBVDD2
DBVDD1
POWER
VPMIC
VPMIC
VPMIC
VPMIC
USBVDD Supply Voltage Monitor
SYSVDD Supply Voltage Monitor
BATTVDD Supply Voltage Monitor
Auxiliary Analogue Input 1 /
Battery Charge Current Monitor Output
Auxiliary Analogue Input 2
Auxiliary Analogue Input 3
Auxiliary Analogue Input 4
Crystal Drive Output
Crystal Drive Input or 32.768kHz CMOS Clock Input
Crystal Oscillator Ground
CMOS Clock Output
CMOS FLL Clock Input
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
GPIO Pin 11
GPIO Pin 12
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
2
C Compatible Control Interface Mode
DESCRIPTION
Product Brief, July 2009, Rev 1.0
I
Interface Mode
No Function
2
C Compatible Control
WM8310
5