DV164136 Microchip Technology, DV164136 Datasheet - Page 63

• Manufacturer Part Number: DV164136
• Description: DEVELOPMENT KIT FOR PIC18
• Manufacturer: Microchip Technology
• Series: PIC®r
• Type: MCUr

Specifications of DV164136

• Contents: Board, Cables, CDs, PICkit™ 3 Programmer, Power Supply
• Processor To Be Evaluated: PIC18F8722, PIC18F87J11
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3.3 V, 5 V
• Silicon Manufacturer: Microchip
• Core Architecture: PIC
• Core Sub-architecture: PIC18
• Silicon Core Number: PIC18F
• Silicon Family Name: PIC18F8xxx
• Kit Contents: PIC18 Exp Brd PICkit 3 Cable CD PSU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: PIC18F8722, PIC18F87J11
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5.0
There are two types of memory in PIC18 Flash
microcontroller devices:
• Program Memory
• Data RAM
As Harvard architecture devices, the data and program
memories use separate busses; this allows for
concurrent access of the two memory spaces.
Additional detailed information on the operation of the
Flash program memory is provided in Section 6.0
“Flash Program Memory”.
FIGURE 5-1:
© 2009 Microchip Technology Inc.
Note:
MEMORY ORGANIZATION
CALL, CALLW, RCALL,
RETURN, RETFIE, RETLW,
ADDULNK, SUBULNK
Unimplemented
PIC18FX6J11
Config. Words
Sizes of memory areas are not to scale. Sizes of program memory areas are enhanced to show detail.
Read as ‘0’
On-Chip
Memory
MEMORY MAPS FOR PIC18F87J11 FAMILY DEVICES
Unimplemented
PIC18FX6J16
Stack Level 31
Config. Words
Stack Level 1
Read as ‘0’
PC<20:0>
On-Chip
Memory
•
• •
PIC18F87J11 FAMILY
5.1
PIC18 microcontrollers implement a 21-bit program
counter which is capable of addressing a 2-Mbyte
program memory space. Accessing a location between
the upper boundary of the physically implemented
memory and the 2-Mbyte address will return all ‘0’s (a
NOP instruction).
The entire PIC18F87J11 Family of devices offers three
different on-chip Flash program memory sizes, from
64 Kbytes (up to 16,384 single-word instructions) to
128 Kbytes (65,536 single-word instructions). The
program memory maps for individual family members
are shown in Figure 5-3.
21
Unimplemented
PIC18FX7J11
Config. Words
Read as ‘0’
Program Memory Organization
On-Chip
Memory
000000h
00FFFFh
017FFFh
01FFFFh
1FFFFFF
DS39778D-page 63