pic32mx320f064h Microchip Technology Inc., pic32mx320f064h Datasheet - Page 122

• Manufacturer Part Number: pic32mx320f064h
• Description: 64/100-pin General Purpose, 32-bit Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

PIC32MX FAMILY
FIGURE 6-3:
6.6.1
The RAM memory can be divided into 4 partitions.
These are:
1.
2.
3.
4.
In order to execute from data RAM, a kernel or user
program partition must be defined. At Power-on Reset,
the entire data RAM is assigned to the kernel data par-
tition. This partition always starts from the base of the
data RAM. See Figure 6-4 for details.
The registers controlling the RAM partitions are BMXD-
KPBA, BMXDUDBA, and BMXDUPBA. For a detailed
discussion on how to use these registers for partition-
ing the RAM, please refer to the Memory Organization
chapter of PIC32MX Family Reference Manual
(DS61132).
DS61143A-page 120
Kernel Data
Kernel Program
User Data
User Program
RAM PARTITIONING
Note 1: Kernel Flash Size = BMXPUPBA
KSEG1: 0xBD000000
KSEG0: 0x9D000000
KSEG1: 0xBD000000
KSEG0: 0x9D000000
FLASH PARTITIONING
2: User Flash Size = BMXPFMSZ-BMXPUPBA
3: If BMXPUPBA is
Virtual Address
0x7D000000+
K Flash Size = BMXPFMSZ (i.e., all the Flash)
Usr Flash Size = 0
+BMXPUPBA
+BMXPUPBA
0x00000000
BMXPUPBA
‘0’
Advance Information
, then:
Flash Partition for
Flash Partition for
Kernel Program
(USEG/KUSEG)
User Program
(KSEG 0/1)
Optional
0xBD000000+
BMXPUPBA
Physical Address
0x1D000000
© 2007 Microchip Technology Inc.