Datasheet

23
9166DS–AVR-01/12
AT32UC3C
NPCS[3:0] SPI Peripheral Chip Select I/O Low
SCK Clock Output
Timer/Counter - TC0, TC1
A0 Channel 0 Line A I/O
A1 Channel 1 Line A I/O
A2 Channel 2 Line A I/O
B0 Channel 0 Line B I/O
B1 Channel 1 Line B I/O
B2 Channel 2 Line B I/O
CLK0 Channel 0 External Clock Input Input
CLK1 Channel 1 External Clock Input Input
CLK2 Channel 2 External Clock Input Input
Two-wire Interface - TWIMS0, TWIMS1, TWIMS2
TWALM SMBus SMBALERT I/O Low Only on TWIMS0, TWIMS1
TWCK Serial Clock I/O
TWD Serial Data I/O
Universal Synchronous Asynchronous Receiver Transmitter - USART0, USART1, USART2, USART3, USART4
CLK Clock I/O
CTS Clear To Send Input Low
DCD Data Carrier Detect Input Low Only USART1
DSR Data Set Ready Input Low Only USART1
DTR Data Terminal Ready Output Low Only USART1
RI Ring Indicator Input Low Only USART1
RTS Request To Send Output Low
RXD Receive Data Input
TXD Transmit Data Output
Universal Serial Bus Device - USB
DM USB Device Port Data - Analog
Table 3-7. Signal Description List
Signal Name Function Type
Active
Level Comments