Data Sheet

73
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
z Bits 11:8 – REVISION[3:0]: Revision
Identifies the die revision number.
z Bits 7:0 – DEVSEL[7:0]: Device Select
DEVSEL is used to identify a device within a product family and product series. The value corresponds to the
Flash memory density, pin count and device variant parts of the ordering code. Refer to “Ordering Information” on
page 5 for details.
Table 12-8. Device Selection
DEVSEL Device Flash RAM Pincount
0x0 SAMD21J18A 256KB 32KB 64
0x1 SAMD21J17A 128KB 16KB 64
0x2 SAMD21J16A 64KB 8KB 64
0x3 SAMD21J15A 32KB 4KB 64
0x4 Reserved
0x5 SAMD21G18A 256KB 32KB 48
0x6 SAMD21G17A 128KB 16KB 48
0x7 SAMD21G16A 64KB 8KB 48
0x8 SAMD21G15A 32KB 4KB 48
0x0 - 0xB0x9 Reserved
0xA SAMD21E18A 256KB 32KB 32
0xB SAMD21E17A 128KB 16KB 32
0xC SAMD21E16AL 64KB 8KB 32
0xD SAMD21E15AL 32KB 4KB 32
0xE - 0xFF Reserved