Datasheet

3
6430FS–ATARM–10-Feb-12
SAM3U Series
2. SAM3U Block Diagram
Figure 2-1. 144-pin SAM3U4/2/1E Block Diagram
D0-D15
A0/NBS0
A2-A20
NCS0
NCS1
NRD
NWR0/NWE
NWR1/NBS1
APB
A1
SHDN
FWUP
NANDOE,
NANDWE
SLAVE MASTER
A23
NWAIT
EBI
Static
Memory
Controller
NAND Flash
Controller
& ECC
NCS2
NCS3
HSMCI
TWI0
TWI1
USART0
USART1
USART2
USART3
PWM
TC0
TC1
TC2
SSC
DMA
USB
Device
HS
8-channel
12-bit ADC
10-bit ADC
DA0-DA7
CDA
CK
TWCK0-TWCK1
CTS0-CTS3
RTSO-RTS3
SCK0-SCK3
RDX0-RDX3
TXD0-TXD3
NPCS0-NPCS3
SPCK
MOSI MISO
PWMH0-PWMH3
TCLK0-TCLK2
TIOA0-TIOA2
TIOB0-TIOB2
TK
TF
TD
RD
RF
RK
ADTRG-AD12BTRG
AD0-AD7
VD
D
ANA
VBG
DFSDP DFSDM
DHSDP DHSDM
VDDUTMII
In-Circuit Emulator
TDI
TDO/TRACESWO
TMS/SWDIO
TCK/SWCLK
JTAGSEL
I/D
A21/
NANDALE
A22/
NANDCLE
DCD0
DTR0
RI0
PDC
5-layer AHB Bus Matrix
SPI
MPU
DMA
PDC
DSR0
N
V
I
C
S
PDC
PDC
Voltage
Regulator
VDDIN
VDDOUT
TWD0-TWD1
PWML0-PWML3
NANDRDY
NAND Flash
SRAM
(4KBytes)
ADVREF-AD12BVREF
AD12B0-AD12B7
Flash
Unique
Identifier
UART
URXD
UTXD
PDC
PLLA
TST
PCK0
-PCK2
System Controller
VDDBU
XIN
NRST
PMC
UPLL
XOUT
WDT
RTT
OSC
32K
XIN32
XOUT32
SUPC
RSTC
8
GPBREG
OSC
3-20 M
PIOA
PIOC
PIOB
POR
RTC
RC 32K
SM
BOD
VDDCORE
VDDUTMI
RC Osc.
12/8/4 M
ERASE
NRSTB
Cortex-M3 Processor
Fmax 96 MHz
SysTick Counter
JTAG & Serial Wire
HS UTMI
Transceiver
Peripheral
DMA
Controller
Peripheral
Bridge
ROM
16 KBytes
4-Channel
DMA
SRAM0
32 KBytes
16 KBytes
8 KBytes
FLASH
2x128 KBytes
1x128 KBytes
1x64 KBytes
SRAM1
16 KBytes
16 KBytes