Datasheet

21
9166DS–AVR-01/12
AT32UC3C
SDCK SDRAM Clock Output
SDCKE SDRAM Clock Enable Output
SDWE SDRAM Write Enable Output Low
External Interrupt Controller - EIC
EXTINT[8:1] External Interrupt Pins Input
NMI_N = EXTINT[0] Non-Maskable Interrupt Pin Input Low
General Purpose Input/Output - GPIOA, GPIOB, GPIOC, GPIOD
PA[29:19] - PA[16:0] Parallel I/O Controller GPIOA I/O
PB[31:0] Parallel I/O Controller GPIOB I/O
PC[31:0] Parallel I/O Controller GPIOC I/O
PD[30:0] Parallel I/O Controller GPIOD I/O
Inter-IC Sound (I2S) Controller - IISC
IMCK I2S Master Clock Output
ISCK I2S Serial Clock I/O
ISDI I2S Serial Data In Input
ISDO I2S Serial Data Out Output
IWS I2S Word Select I/O
JTAG
TCK Test Clock Input
TDI Test Data In Input
TDO Test Data Out Output
TMS Test Mode Select Input
Ethernet MAC - MACB
COL Collision Detect Input
CRS Carrier Sense and Data Valid Input
MDC Management Data Clock Output
MDIO Management Data Input/Output I/O
RXD[3:0] Receive Data Input
Table 3-7. Signal Description List
Signal Name Function Type
Active
Level Comments