SAM4S Series [Preliminary]
Figure 2-2.
SAM4S16/S8 Series 64-pin version Block Diagram
TD
TDI
TMO
TC S/S
K/ WD
SW IO
CL
K
JT
AG
SE
L
IN
Flash
Unique
Identifier
N
V
I
C
FLASH
1024 Kbytes
512 Kbytes
TST
PCK0-PCK2
System Controller
Voltage
Regulator
User
Signature
PLLA
PLLB
RC Osc
12/8/4 MHz
PMC
JTAG & Serial Wire
In-Circuit Emulator
XIN
XOUT
3-20 MHz
Osc
SUPC
24-Bit
Cortex M-4 Processor
SysTick Counter
Fmax 120 MHz
DSP
MPU
VD
D
VD
D
SRAM
128 Kbytes
O
UT
ROM
16 Kbytes
XIN32
XOUT32
ERASE
VDDIO
VDDCORE
VDDPLL
RTCOUT0
RTCOUT1
NRST
WDT
Osc 32 kHz
RC 32 kHz
I/D
S
4-layer AHB Bus Matrix Fmax 120 MHz
8 GPBREG
RTT
POR
RTC
SM
Peripheral
Bridge
2668 USB 2.0
Bytes
Full
FIFO Speed
Transceiver
RSTC
DDP
DDM
PIOA / PIOB
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]
PWMH[0:3]
PWML[0:3]
PWMFI0
ADTRG
AD[0..9]
ADVREF
DAC0
DAC1
DATRG
TWI0
TWI1
UART0
UART1
PDC
PDC
PDC
PDC
PDC
PIO
PIODC[7:0]
PIODCEN1
PIODCEN2
PIODCCLK
USART0
PDC
PDC
SPI
PIO
PIO
USART1
NPCS0
NPCS1
NPCS2
NPCS3
MISO
MOSI
SPCK
PDC
PDC
Timer Counter A
SSC
TC[0..2]
TF
TK
TD
RD
RK
RF
MCCK
MCCDA
MCDA[0..3]
PDC
PWM
PDC
Temp. Sensor
12-bit ADC
PDC
High Speed MCI
Analog
Comparator
ADVREF
ADC Ch.
12-bit DAC
PDC
CRC Unit
5
11100BS–ATARM–31-Jul-12
ATMEL [ ATMEL CORPORATION ]
