Datasheet

7
SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
EBI - DDR2/SDRAM/LPDDR Controller - DDRSDRC1
SDCK, #SDCK DDR2/SDRAM Differential Clock Output VDDIOM1
SDCKE DDR2/SDRAM Clock Enable Output High VDDIOM1
SDCS DDR2/SDRAM Controller Chip Select Output Low VDDIOM1
BA0–BA1 Bank Select Output VDDIOM1
SDWE DDR2/SDRAM Write Enable Output Low VDDIOM1
RAS - CAS Row and Column Signal Output Low VDDIOM1
SDA10 SDRAM Address 10 Line Output VDDIOM1
DQS[0..1] Data Strobe Output VDDIOM1
DQM[0..3] Write Data Mask Output VDDIOM1
High Speed Multimedia Card Interface - HSMCIx
MCIx_CK Multimedia Card Clock I/O
(1)
MCIx_CDA Multimedia Card Slot A Command I/O
(1)
MCIx_DA0–MCIx_DA7 Multimedia Card Slot A Data I/O
(1)
Universal Synchronous Asynchronous Receiver Transmitter - USARTx
SCKx USARTx Serial Clock I/O
(1)
TXDx USARTx Transmit Data Output
(1)
RXDx USARTx Receive Data Input
(1)
RTSx USARTx Request To Send Output
(1)
CTSx USARTx Clear To Send Input
(1)
Synchronous Serial Controller - SSCx
TDx SSC Transmit Data Output
(1)
RDx SSC Receive Data Input
(1)
TKx SSC Transmit Clock I/O
(1)
RKx SSC Receive Clock I/O
(1)
TFx SSC Transmit Frame Sync I/O
(1)
RFx SSC Receive Frame Sync I/O
(1)
AC97 Controller - AC97C
AC97RX AC97 Receive Signal Input
(1)
AC97TX AC97 Transmit Signal Output
(1)
AC97FS AC97 Frame Synchronization Signal Output
(1)
AC97CK AC97 Clock signal Input
(1)
Time Counter - TCx
TCLKx TC Channel x External Clock Input Input
(1)
TIOAx TC Channel x I/O Line A I/O
(1)
TIOBx TC Channel x I/O Line B I/O
(1)
Table 2-1. Signal Description List (Continued)
Signal Name Function Type
Active
Level
Reference
Voltage Comments