Figure 2-3.
SAM4SD32/SD16/SA16 100-pin version Block Diagram
RT
C
RT OU
CO T0
UT
1
TD
TDI
TMO
TC S/S
K/ W
SW DI
CL O
K
UT
VD
DO
L
JTA
G
SE
T
ST
PCK0-PCK2
PLLA
PLLB
RC
12/8/4 M
Voltage
Regulator
PMC
JTAG & Serial Wire
Flash
Unique
Identifier
In-Circuit Emulator
XIN
X
OUT
3-20 MHz
Osc.
SUPC
24-Bit
N
Cortex-M4 Processor SysTick Counter V
Fmax 120 MHz
I
C
DSP
MPU
I
CMCC
(2 KB cache)
XIN32
X
OUT32
ERASE
FLASH
2*1024 KBytes
2*512 KBytes
1024 KBytes
VD
DI
N
SRAM
160 KBytes
ROM
16 KBytes
OSC 32k
RC 32k
8 GPBREG
D
VDDIO
VDDCORE
VDDPLL
NRST
WDT
RTT
RTC
POR
RSTC
SM
Peripheral
Bridge
2668 USB 2.0
Bytes
Full
FIFO
Speed
Transceiver
4-layer AHB Bus Matrix Fmax 120 MHz
DDP
DDM
PIOA / PIOB / PIOC
TWCK0
TWD0
TWCK1
TWD1
URXD0
UTXD0
URXD1
UTXD1
RXD0
TXD0
SCK0
RTS0
CTS0
RXD1
TXD1
SCK1
RTS1
CTS1
DSR1
DTR1
RI1
DCD1
TCLK[0:2]
TIOA[0:2]
TIOB[0:2]
TCLK[3:5]
TIOA[3:5]
TIOB[3:5]
PWMH[0:3]
PWML[0:3]
PWMFI0
ADTRG
AD[0..14]
ADVREF
DAC0
DAC1
DATRG
TWI0
TWI1
UART0
UART1
PDC
PDC
PDC
PDC
External Bus
Interface
NAND Flash
Logic
PIO
USART0
PDC
Static Memory
Controller
D[7:0]
A[0:23]
A21/NANDALE
A22/NANDCLE
NCS0
NCS1
NCS2
NCS3
NRD
NWE
NANDOE
NANDWE
NWAIT
PIODC[7:0]
PIODCEN1
PIODCEN2
PIODCCLK
NPCS0
NPCS1
NPCS2
NPCS3
MISO
MOSI
SPCK
TF
TK
TD
RD
RK
RF
MCCK
MCCDA
MCDA[0..3]
PDC
USART1
PDC
Timer Counter A
TC[0..2]
SPI
Timer Counter B
TC[3..5]
PWM
PDC
Temp. Sensor
ADC
DAC
PDC
PDC
PDC
PIO
PDC
SSC
PDC
High Speed MCI
Analog
Comparator
CRC Unit
ADC
DAC
Temp Sensor
ADVREF
6
SAM4S Series [Preliminary]
11100BS–ATARM–31-Jul-12
ATMEL [ ATMEL CORPORATION ]
