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S3C72P9 Datasheet(PDF) 46 Page - Samsung semiconductor

Part # S3C72P9
Description  SINGLE-CHIP MICROCONTROLLER HAS BEEN DESIGNED FOR HIGH PERFORMANCE USING
PDF  225 Pages
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

S3C72P9 Datasheet(HTML) 46 Page - Samsung semiconductor

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ADDRESSING MODES
S3C72P9/P72P9 (Preliminary Spec)
3-10
+
+ PROGRAMMING TIP — 4-Bit Addressing Modes
4-Bit Direct Addressing
1. If EMB = "0":
ADATA
EQU
46H
BDATA
EQU
8EH
SMB
15
; Non-essential instruction, since EMB = "0"
LD
A,P3
; A
← (P3)
SMB
0
; Non-essential instruction, since EMB = "0"
LD
ADATA,A
; (046H)
← A
LD
BDATA,A
; (F8EH (LCON))
← A
2. If EMB = "1":
ADATA
EQU
46H
BDATA
EQU
8EH
SMB
15
LD
A,P3
; A
← (P3)
SMB
0
LD
ADATA,A
; (046H)
← A
LD
BDATA,A
; (08EH)
← A



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