IP2022 User’s Manual—In-System Programming
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359
Figure 6-1 ISD/ISP Address Space
To read data memory through the ISD/ISP interface, an INST
command is used to execute a mov instruction for moving the
contents of a register or data memory location into the W register.
A second INST command (which could execute a nop instruction,
if no other instruction would be appropriate) then would return the
data in the command acknowledge reply.
To write data memory, an INST command executing a mov
w,#lit8 instruction would load the data into the W register, after
which it can be moved to any register or data memory location by
issuing a second INST command.
515-058.eps
Program RAM
Reserved
0x0000000015
0
0x00004000
Flash Memory
0x00014000
Flash Memory
0x00018000
Flash Memory
0x0001C000
Flash Memory
0x00020000
0x00010000
Configuration Block
0x0002007E
Byte
Address
Word
Address
0x00000000
0x00002000
0x0000A000
0x0000C000
0x0000E000
0x00010000
0x00008000
0x0001003F
