s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 22
s3c72m9
Manufacturer Part Number
s3c72m9
Description
The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.S3C72M9.pdf
(382 pages)
- Current page: 22 of 382
- Download datasheet (2Mb)
ADDRESS SPACES
F
Here is one example of how to use the REF instruction look-up table:
;
JMAIN
KEYCK
WATCH
INCHL
ABC
;
MAIN
2-6
PROGRAMMING TIP — Using the REF Look-Up Table
ORG
TJP
BTSF
TCALL
LD
INCS
•
•
•
LD
ORG
NOP
NOP
•
•
•
REF
REF
REF
REF
REF
•
•
•
0020H
MAIN
KEYFG
CLOCK
@HL,A
HL
EA,#00H
0080
KEYCK
JMAIN
WATCH
INCHL
ABC
; 0, MAIN
; 1, KEYFG CHECK
; 2, Call CLOCK
; 3, (HL)
; 47, EA
; BTSF KEYFG (1-byte instruction)
; KEYFG = 1, jump to MAIN (1-byte instruction)
; KEYFG = 0, CALL CLOCK (1-byte instruction)
; LD @HL,A
; INCS HL
; LD EA,#00H (1-byte instruction)
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
A
#00H
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