SAM-D21G_14 Datasheet, PDF (8/23 Pages) ATMEL Corporation – SMART ARM-Based Microcontroller

3.
Block Diagram
IOBUS
SWCLK
SWDIO
SERIAL
WIRE
DEVICE
SERVICE
UNIT
PERIPHERAL
ACCESS CONTROLLER
CORTEX-M0+
PROCESSOR
Fmax 48 MHz
256/128/64/32KB
NVM
NVM
CONTROLLER
Cache
32/16/8/4KB
RAM
SRAM
CONTROLLER
M
M
S
HIGH SPEED
BUS MATRIX
S
S
S
SS
M
DMA
USB FS
DEVICE
MINI-HOST
DP
DM
SOF 1KHZ
AHB-APB
BRIDGE B
AHB-APB
BRIDGE A
XIN32
XOUT32
XIN
XOUT
PERIPHERAL
ACCESS CONTROLLER
SYSTEM CONTROLLER
BOD33
XOSC32K
XOSC
VREF
OSCULP32K
OSC32K
OSC8M
DFLL48M
FDPLL96M
RESETN
POWER MANAGER
RESET
CONTROLLER
CLOCK
CONTROLLER
SLEEP
CONTROLLER
GCLK_IO[7..0]
EXTINT[15..0]
NMI
GENERIC CLOCK
CONTROLLER
REAL TIME
COUNTER
WATCHDOG
TIMER
EXTERNAL INTERRUPT
CONTROLLER
AHB-APB
BRIDGE C
PERIPHERAL
ACCESS CONTROLLER
DMA
66xxSSEERRCCOOMM
DMA
5 x _{8TIxMTEimRe/rCCOoUunNtTeEr} R
DMA
3x TIMER / COUNTER
FOR CONTROL
DMA
20-CHANNEL
12-bit ADC 350KSPS
2 ANALOG
COMPARATORS
DMA
10-bit DAC
PERIPHERAL
TOUCH
CONTROLLER
DMA
INTER-IC
SOUND
CONTROLLER
PAD0
PAD1
PAD2
PAD3
WO0
WO1
WO0
WO1
(2)
WOn
AIN[19..0]
VREFA
VREFB
CMP[1..0]
AIN[3..0]
VOUT
VREFA
X[15..0]
Y[15..0]
MCK[1..0]
SCK[1..0]
SD[1..0]
FS[1..0]
1. Some products have different number of SERCOM instances, Timer/Counter instances, PTC signals and ADC
signals.
2. The three TCC instances have different configurations, including the number of Waveform Output (WO) lines.
Atmel | SMART SAM D21 [DATASHEET SUMMARY]
8
Atmel-42181DS–SAM-D21_Summary–09/2014