Table 2-1. Signal Description List (Continued)
Signal Name
Function
Type
Universal Asynchronous Receiver Transmitter - UARTx [1..0]
UTXDx
UARTx Transmit Data
Output
URXDx
UARTx Receive Data
Input
Synchronous Serial Controller - SSCx [1..0]
TDx
SSC Transmit Data
Output
RDx
SSC Receive Data
Input
TKx
SSC Transmit Clock
I/O
RKx
SSC Receive Clock
I/O
TFx
SSC Transmit Frame Sync
I/O
RFx
SSC Receive Frame Sync
I/O
Timer/Counter - TCx [8..0]
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
Serial Peripheral Interface - SPIx [2..0]
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
SPIx_NPCS[3..1]
SPI Peripheral Chip Select
Output
Two-wire Interface - TWIx [3..0]
TWDx
Two-wire Serial Data
I/O
TWCKx
Two-wire Serial Clock
I/O
Pulse Width Modulation Controller - PWM
PWMH0–3
PWM Waveform Output High
–
PWML0–3
PWM Waveform Output Low
–
PWMFI0–1
PWM Fault Inputs
–
USB Host High Speed Port - UHPHS
HHSDPA
USB Host Port A High Speed Data +
Analog
HHSDMA
USB Host Port A High Speed Data -
Analog
HHSDPB
USB Host Port B High Speed Data +
Analog
HHSDMB
USB Host Port B High Speed Data -
Analog
HHSDPC
USB Host Port C High Speed Data +
Analog
HHSDMC
USB Host Port C High Speed Data -
Analog
USB Device High Speed Port - UDPHS
DHSDP
USB Device High Speed Data +
Analog
DHSDM
USB Device High Speed Data -
Analog
Active Level
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Low
Low
–
–
Output
Output
Input
–
–
–
–
–
–
–
–
SAMA5D4 Series [DATASHEET]
7
Atmel-11238C-ATARM-SAMA5D4-Datasheet_12-Jul-16