Datasheet

© 2007 Microchip Technology Inc. DS39599G-page 67
PIC18F2220/2320/4220/4320
FIGURE 5-8: INDIRECT ADDRESSING OPERATION
FIGURE 5-9: INDIRECT ADDRESSING
Opcode Address
File Address = access of an Indirect Addressing register
FSR
Instruction
Executed
Instruction
Fetched
RAM
Opcode
File
12
12
12
BSR<3:0>
8
4
0h
FFFh
Note 1: For register file map detail, see Table 5-1.
Data
Memory
(1)
Indirect Addressing
FSRnH:FSRnL
30
0FFFh
0000h
Location Select
11 0
07