
8
SAM9G45 [DATASHEET]
6438K–ATARM–12-Feb-13
AC97 Controller - AC97C
AC97RX
AC97 Receive Signal
Input
AC97TX
AC97 Transmit Signal
Output
AC97FS
AC97 Frame Synchronization Signal
Output
AC97CK
AC97 Clock signal
Input
Time Counter - TCx
TCLKx
TC Channel x External Clock Input
Input
TIOAx
TC Channel x I/O Line A
I/O
TIOBx
TC Channel x I/O Line B
I/O
Pulse Width Modulation Controller - PWM
PWMx
Pulse Width Modulation Output
Output
Serial Peripheral Interface - SPIx_
SPIx_MISO
Master In Slave Out
I/O
SPIx_MOSI
Master Out Slave In
I/O
SPIx_SPCK
SPI Serial Clock
I/O
SPIx_NPCS0
SPI Peripheral Chip Select 0
I/O
Low
SPIx_NPCS1-
SPIx_NPCS3
SPI Peripheral Chip Select
Output
Low
Two-Wire Interface
TWDx
Two-wire Serial Data
I/O
TWCKx
Two-wire Serial Clock
I/O
USB Host High Speed Port - UHPHS
HFSDPA
USB Host Port A Full Speed Data +
Analog
VDDUTMII
HFSDMA
USB Host Port A Full Speed Data -
Analog
VDDUTMII
HHSDPA
USB Host Port A High Speed Data +
Analog
VDDUTMII
HHSDMA
USB Host Port A High Speed Data -
Analog
VDDUTMII
HFSDPB
USB Host Port B Full Speed Data +
Analog
VDDUTMII
Multiplexed with DFSDP
HFSDMB
USB Host Port B Full Speed Data -
Analog
VDDUTMII
Multiplexed with DFSDM
HHSDPB
USB Host Port B High Speed Data +
Analog
VDDUTMII
Multiplexed with DHSDP
HHSDMB
USB Host Port B High Speed Data -
Analog
VDDUTMII
Multiplexed with DHSDM
USB Device High Speed Port - UDPHS
DFSDM
USB Device Full Speed Data -
Analog
VDDUTMII
DFSDP
USB Device Full Speed Data +
Analog
VDDUTMII
DHSDM
USB Device High Speed Data -
Analog
VDDUTMII
DHSDP
USB Device High Speed Data +
Analog
VDDUTMII
Table 3-1.
Signal Description List (Continued)
Signal Name
Function
Type
Active
Level
Reference
Voltage
Comments