SAM-D21G_14 Datasheet, PDF (3/23 Pages) ATMEL Corporation – SMART ARM-Based Microcontroller

1. Configuration Summary
SAM D21J
Pins
64
General Purpose I/O-pins (GPIOs)
52
Flash
256/128/64/32KB
SRAM
32/16/8/4KB
Timer Counter (TC) instances
5
Waveform output channels per TC
instance
2
Timer Counter for Control (TCC)
instances
3
Waveform output channels per TCC
8/4/2
DMA channels
12
USB interface
1
Serial Communication Interface
(SERCOM) instances
6
Inter-IC Sound (I²S) interface
1
Analog-to-Digital Converter (ADC)
channels
20
Analog Comparators (AC)
2
Digital-to-Analog Converter (DAC)
channels
1
Real-Time Counter (RTC)
Yes
RTC alarms
1
RTC compare values
1 32-bit value or
2 16-bit values
External Interrupt lines
16
Peripheral Touch Controller (PTC) X
and Y lines
16x16
Maximum CPU frequency
Packages
QFN
TQFP
SAM D21G
48
38
256/128/64/32KB
32/16/8/4KB
3
2
3
8/4/2
12
1
6
1
14
2
1
Yes
1
1 32-bit value or
2 16-bit values
16
12x10
48MHz
QFN
TQFP
SAM D21E
32
26
256/128/64/32KB
32/16/8/4KB
3
2
3
6/4/2
12
1
4
1
10
2
1
Yes
1
1 32-bit value or
2 16-bit values
16
10x6
QFN
TQFP
Oscillators
32.768kHz crystal oscillator (XOSC32K)
0.4-32MHz crystal oscillator (XOSC)
32.768kHz internal oscillator (OSC32K)
32kHz ultra-low-power internal oscillator (OSCULP32K)
8MHz high-accuracy internal oscillator (OSC8M)
48MHz Digital Frequency Locked Loop (DFLL48M)
96MHz Fractional Digital Phased Locked Loop (FDPLL96M)
Atmel | SMART SAM D21 [DATASHEET SUMMARY]
3
Atmel-42181DS–SAM-D21_Summary–09/2014