Datasheet

5
9166DS–AVR-01/12
AT32UC3C
2. Overview
2.1 Block diagram
Figure 2-1. Block diagram
supplied by VDDANA
supplied by VDDANA
PERIPHERAL
DMA
CONTROLLER
HSB-PB
BRIDGE B
HSB-PB
BRIDGE A
GENERAL PURPOSE IOs
GENERAL PURPOSE IOs
PA
PB
PC
PD
PA
PB
PC
PD
USB
INTERFACE
ID
VBOF
VBUS
D-
D+
CANIF
32 KHz OSC
RCSYS
OSC0 / OSC1
PLL0 / PLL1
JTAG
INTERFACE
MCKO
MDO[5..0]
MSEO[1..0]
EVTI_N
EVTO_N
TDI
RXLINE[0]
PB
PB
HSB HSB
TXLINE[0]
RXLINE[1]
TXCAN[1]
PERIPHERAL EVENT
CONTROLLER
PAD_EVT
MM M
S
S
M
HIGH SPEED
BUS MATRIX
AVR32UC CPU
NEXUS
CLASS 2+
OCD
INSTR
INTERFACE
DATA
INTERFACE
MEMORY INTERFACE
64/32/16
KB SRAM
MEMORY PROTECTION UNIT
LOCAL BUS
INTERFACE
M
4 KB
HSB
RAM
S
S
EXTERNAL BUS INTERFACE
(SDRAM & STATIC MEMORY
CONTROLLER)
CAS
RAS
SDA10
SDCK
SDCKE
SDWE
NCS[3..0]
NRD
NWAIT
NWE0
DATA[15..0]
ADDR[23..0]
NWE1
Memory
DMA
HSB-PB
BRIDGE C
PB
HSB
S
M
S
M
CONFIGURATION REGISTERS BUS
PBB
SERIAL
PERIPHERAL
INTERFACE 1
DMA
MISO, MOSI
NPCS[3..0]
SCK
USART0
USART2
USART3
DMA
RXD
TXD
CLK
RTS, CTS
TWCK
TWD
TWO-WIRE
INTERFACE 0/1
DMA
PULSE WIDTH
MODULATION
CONTROLLER
DMA
DIGITAL TO
ANALOG
CONVERTER 0/1
DMA
DAC0A/B
ANALOG
COMPARATOR
0A/0B/1A/1B
AC0AP/N AC0BP/N
AC1AP/N AC1BP/N
DAC1A/B
I2S INTERFACE
DMA
TIMER/COUNTER 1
A[2..0]
B[2..0]
CLK[2..0]
QUADRATURE
DECODER
0/1
QEPA
QEPB
QEPI
XIN32
XOUT32
XIN[1:0]
XOUT[1:0]
TIMER/COUNTER 0
CLK[2..0]
A[2..0]
B[2..0]
ANALOG TO
DIGITAL
CONVERTER 0/1
DMA
ADCIN[15..0]
ADCVREFP/N
USART1
DMA
RXD
TXD
CLK
RTS, CTS
DSR, DTR, DCD, RI
PBC
PBA
SERIAL
PERIPHERAL
INTERFACE 0
DMA
SCK
MISO, MOSI
NPCS[3..0]
M
R
W
PWML[3..0]
PWMH[3..0]
ADCREF0/1
aWire
RESET_N
ASYNCHRONOUS
TIMER
WATCHDOG
TIMER
FREQUENCY METER
POWER MANAGER
RESET
CONTROLLER
SLEEP
CONTROLLER
CLOCK
CONTROLLER
SYSTEM CONTROL
INTERFACE
GCLK[1..0]
BODs (1.8V,
3.3V, 5V)
RC8M
AC0AOUT/AC0BOUT
AC1AOUT/AC1BOUT
External Interrupt
Controller
EXTINT[8:1]
NMI
TWO-WIRE
INTERFACE 2
DMA
TWD
TWCK
ETHERNET
MAC
DMA
S
COL,
CRS,
RXD[3..0],
RX_CLK,
RX_DV,
RX_ER,
TX_CLK
MDC,
TXD[3..0],
TX_EN,
TX_ER,
SPEED
MDIO
M
512/
256/
128/64
KB
Flash
Flash
Controller
BCLK
IWS
ISDO
MCLK
L
O
C
A
L
B
U S
DACREF
ISDI
TMS
TCK
TDO
RC120M
EXT_FAULTS[1:0]
TWALM
USART4
DMA
RXD
TXD
CLK
RTS, CTS