Data Sheet

803
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
31.8.4 Device Registers - Endpoint RAM
31.8.4.1 Endpoint Descriptor structure
EPn BK0
EPn BK1
Endpoint
descriptors
Data Buffers
EXTREG
PCKSIZE
ADDR
DESCADD
Growing Memory Addresses
Descriptor E0
STATUS_BK
Reserved
Bank0
+0x000
+0x004
+0x008
+0x00A
+0x00B
Reserved
PCKSIZE
ADDR
STATUS_BK
Reserved
Bank1
+0x010
+0x014
+0x018
+0x01A
+0x01B
EXTREG
PCKSIZE
ADDR
Descriptor En
STATUS_BK
Reserved
Bank0
Reserved
PCKSIZE
ADDR
STATUS_BK
Bank1
Reserved
2 x 0xn0
(2 x 0xn0) + 0x10