Reading - Samsung S3C8275X User Manual

S3F8275X

READING

The read operation of programming starts by 'LDC' instruction.
The Reading Procedure in User Program Mode
1. Load a flash memory upper address into upper register of pair working register.
2. Load a flash memory lower address into lower register of pair working register.
3. Load receive data from flash memory location area on 'LDC' instruction by indirectly addressing mode.
PROGRAMMING TIP ⎯ Reading
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LD
LD
LOOP: LDC
INC
CP
JP
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R2,#3H
R3,#0
R0,@RR2
R3
R3,#0H
NZ,LOOP
EMBEDDED FLASH MEMORY INTERFACE
; Load flash memory upper address
; To upper of pair working register
; Load flash memory lower address
; To lower pair working register
; Read data from flash memory location
; (Between 300H and 3FFH)
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