
9
SAM9G45 [DATASHEET]
6438K–ATARM–12-Feb-13
Ethernet 10/100
ETXCK
Transmit Clock or Reference Clock
Input
MII only, REFCK in RMII
ERXCK
Receive Clock
Input
MII only
ETXEN
Transmit Enable
Output
ETX0-ETX3
Transmit Data
Output
ETX0-ETX1 only in RMII
ETXER
Transmit Coding Error
Output
MII only
ERXDV
Receive Data Valid
Input
RXDV in MII, CRSDV in RMII
ERX0-ERX3
Receive Data
Input
ERX0-ERX1 only in RMII
ERXER
Receive Error
Input
ECRS
Carrier Sense and Data Valid
Input
MII only
ECOL
Collision Detect
Input
MII only
EMDC
Management Data Clock
Output
EMDIO
Management Data Input/Output
I/O
Image Sensor Interface
ISI_D0-ISI_D11
Image Sensor Data
Input
VDDIOP2
ISI_MCK
Image sensor Reference clock
output
VDDIOP2
ISI_HSYNC
Image Sensor Horizontal Synchro
input
VDDIOP2
ISI_VSYNC
Image Sensor Vertical Synchro
input
VDDIOP2
ISI_PCK
Image Sensor Data clock
input
VDDIOP2
LCD Controller - LCDC
LCDD0 -
LCDD23
LCD Data Bus
Output
VDDIOP1
LCDVSYNC
LCD Vertical Synchronization
Output
VDDIOP1
LCDHSYNC
LCD Horizontal Synchronization
Output
VDDIOP1
LCDDOTCK
LCD Dot Clock
Output
VDDIOP1
LCDDEN
LCD Data Enable
Output
VDDIOP1
LCDCC
LCD Contrast Control
Output
VDDIOP1
LCDPWR
LCD panel Power enable control
Output
VDDIOP1
LCDMOD
LCD Modulation signal
Output
VDDIOP1
Touch Screen Analog-to-Digital Converter
AD0X
P
Analog input channel 0 or
Touch Screen Top channel
Analog
VDDANA
Multiplexed with AD0
AD1X
M
Analog input channel 1 or
Touch Screen Bottom channel
Analog
VDDANA
Multiplexed with AD1
AD2Y
P
Analog input channel 2 or
Touch Screen Right channel
Analog
VDDANA
Multiplexed with AD2
AD3Y
M
Analog input channel 3 or
Touch Screen Left channel
Analog
VDDANA
Multiplexed with AD3
Table 3-1.
Signal Description List (Continued)
Signal Name
Function
Type
Active
Level
Reference
Voltage
Comments