Datasheet

Table Of Contents
9. Memories
9.1 Embedded Memories
Internal high-speed Flash with Read-While-Write (RWW) capability on a section of the array
Internal high-speed RAM, single-cycle access at full speed
Internal backup RAM, single-cycle access at full speed
9.2 Physical Memory Map
The high-speed bus is implemented as a bus matrix. All high-speed bus addresses are fixed, and they
are never remapped in any way, even during boot. The 32-bit physical address space is mapped as
follows:
Table 9-1. Physical Memory Map
Memory Start Address
Size in KB (unless otherwise stated)
SAMD51x20
SAME51x20
SAME53x20
SAME54x20
SAMD51x19
SAME51x19
SAME53x19
SAME54x19
SAMD51x18
SAME51x18
SAME53x18
Embedded Flash 0x00000000 1024 512 256
Embedded SRAM 0x20000000 256 192 128
Peripheral Bridge A 0x40000000
16384 Bytes
Peripheral Bridge B 0x41000000
Peripheral Bridge C 0x42000000
Peripheral Bridge D 0x43000000
Backup SRAM 0x47000000 8
NVM User Page 0x00804000 512 Bytes
Note: 
1. X = G, J, N or P. Refer to Ordering Information for available device part numbers.
9.2.1 Flash Memory Parameters
A single page contains 512 Bytes, which is applicable to all the device part numbers listed in the
Configuration Summary.
Number of pages available in a device part number will vary depending on available maximum Flash
memory size.
Equation 9-1. Calculating Flash Memory
 =
 
 
SAM D5x/E5x Family Data Sheet
Memories
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 54